Document:

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                                                                   EXHIBIT 10.19

                     FIBER OPTIC PRIVATE NETWORK AGREEMENT
                                 PRODUCT ORDER

This product Order ("Product Order") together with Exhibit A and the General
Terms and Conditions and all addenda attached hereto constitute the Fiber Optic
Private Network Agreement ("Agreement") which is effective as of October 1,
1999 by and between Metromedia Fiber Network Services, Inc. ("MFN"), 1 North
Lexington Avenue, 4th Floor, White Plains, New York 10601, and Advanced Telcom
Group, Inc. ("Carrier") whose address is 100 Stoney Point Road, Suite 130,
Santa Rosa, California 95401. Definitions of terms used in this Agreement
appear in this Product Order and in the General Terms and Conditions.

1.   Carrier will order and MFN will provide Leased Fiber as follows:

     1.1  Fiber Lease Term: Twenty (20) years

     1.2  Number of Leased Fibers: [*] fibers in a ring configuration

     1.3  Carrier locations ("Location(s)"):

          Ring 1:

          1130 Elden Street, Herndon, VA (HRNDVAHE)
          Route 29 & 211, Centreville, VA (CNVIVACT)
          Potomac View Drive, Sterling, VA (HRNDVAST)

          Ring 2:

          10431 Lee Highway, Fairfax, VA (FRFXVAFF)
          9401 Peabody Street, Manassas, VA (MNSSVAXA)

          Ring #:

          490 Fleet Street, Rockville, MD (RKVLMDRV)
          6015 Montrose Road, Rockville, MD (RKVLMDMR)
          4533 Stanford Street, Chevy Chase, MD (CHCHMDBE)

     1.4  Leased Fiber specifications: See Exhibit A.

     1.5  Installation Charge and Lease Payments:

          One Time Installation Charge: There will be a one-time charge of [*]
          per central office location listed in Section 1.3 above, which will
          cover delivery of Leased Fiber from the MFN-negative one manhole
          through the assigned zero manhole to the Competitive Alternative
          Transport Terminal (CATT) located in the ASA room or fiber vault
          within each such central office location. MFN will provide dual
          entrances to each Central Office when possible. Consequently, the
          total one time installation charge shall be [*].

          Prepaid Lease Payment: [*] due and payable as follows:

          (i) 40% upon execution of this Product Order and (ii) 20% upon the
     Turnover Date for Ring 1, 20% upon the Turnover Date for Ring 2 and 20%
     upon the Turnover Date for Ring 3.

     1.6  Carrier will pay all Applicable Taxes (as defined in the General Terms
          and Conditions) on the Installation Charge and all Leased Payments as
          and when due.

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2.   Estimated Backbone Network Installation Completion Date:
     Ring 1: January 3, 2000
     Ring 2: June 30, 2000
     Ring 3: January 3, 2000

3.   Installation Requirements:

     3.1  Carrier will arrange for its own cage space within each of the ILEC
          Central Offices, and other Locations. Carrier shall also be
          responsible for extending the fiber from the Competitive Alternate
          Transport Terminal room to its collocation space.

     3.2  The estimated time required for completion of connectivity from the
          MFN CATT to the Carrier collocation space will be 30-60 days after
          Carrier gives MFN written notice of completion of ILEC approval and
          an executed copy of the ILEC MOP for each ILEC Central Office.

     3.3  The Prepaid Lease Payment includes fiber termination into existing
          MFN splice points.

     3.4  Collocation in MFN POPs is not included in the Prepaid Lease Payment.

4.   MFN address (and contact person) is as follows:

     Metromedia Fiber Network Services, Inc.
     1 North Lexington Avenue, 4th Floor
     White Plains, New York 10601
     Attn: Vice President -- Marketing

     If declaring a default or termination, a copy of the notice must be
     sent to:

     Metromedia Fiber Network Services, Inc.
     1 North Lexington Avenue, 4th Floor
     White Plains, New York 10601
     Attn: Vice President -- Legal Affairs

5.   Carrier address (and contact person) is as follows:

     Advanced Telcom Group, Inc.
     100 Stony Point Road, Suite 130
     Santa Rosa, California 95401
     Attn: Chief Operating Officer

6.   Special Requirements:

     6.1  If during the Lease Term Customer wishes to add a new location in the
     same MFN market to either ring described in Section 1.3 above, Customer
     will so notify MFN in writing specifying the new location. MFN will
     complete engineering for the new location within forty-five (45) days after
     receipt of Customer's request and will thereupon deliver to Customer a
     Product Order which will include an Estimated Installation Completion Date
     and an estimated One Time Installation Charge, which will be based upon the
     estimated cost of all additional engineering and construction, installation
     and related work, permitting and other directly associated costs required
     for the additional location plus [*]. If such location is
     one which is already part of the MFN Network, there shall be no One Time
     Installation Charge. The Monthly Lease Payment or Prepaid Lease Payment
     shall be mutually agreed upon by the parties. Customer will have thirty

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     (30) days after receipt of the proposed Product Order to accept the Product
     Order by signing and returning the Product Order to MFN, failing which such
     Product Order shall be deemed rejected.

     6.2  Customer may lease additional fiber strands, at any time and from time
     to time, in a ring configuration among the same Locations and on the same
     Rings as set forth in Section 1.3 above. Such additional fiber strands
     shall consist of no less than two (2) and no more than twelve (12)
     additional fiber strands in the aggregate for all such additional Product
     Orders. The price for each such additional fiber strand, which fiber strand
     must be taken on all three rings set forth in Section 1.3 above, shall be
     [*] on a prepaid lease basis. If Customer desires to lease such
     additional fiber strands, Customer shall send a written notice to MFN at
     least sixty (60) days prior to Customer's desired Service Date for such
     additional fiber strands. Such notice shall indicate the number of fiber
     strands and Service Date desired. Within forty-five (45) days after receipt
     of such notice, MFN shall confirm the availability of the fiber strands and
     provide a Product Order, including an Estimated Installation Completion
     Date and a lease term coterminous with the Lease Term. The exercise of this
     option shall in all events be subject to the availability of the fiber
     strands on MFN's Network. Customer shall sign and return such Product Order
     within five (5) business days of receipt thereof, failing which such
     Product Order shall be deemed rejected.

The persons signing this Agreement are authorized by the respective parties to
do so. Signature constitutes acceptance of all terms and conditions in this
Product Order, the Exhibits and the General Terms and Conditions.

ADVANCED TELCOM GROUP, INC.             METROMEDIA FIBER NETWORK SERVICES, INC.

By: /s/ R.T. WARSTLER                   By: /s/ GERARD BENEDETTO
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Name: R.T. Warstler                         Gerard Benedetto
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Title: President                            VP, Chief Financial Officer
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                     FIBER OPTIC PRIVATE NETWORK AGREEMENT

                                   EXHIBIT A

FIBER TESTING & PERFORMANCE CRITERIA

MFN will perform fiber testing as described below on each Leased Fiber and will
provide the documentation (hard copy and/or diskette) of results to the Carrier
at the Turnover Date. Each "span" will be defined in documentation included in
the Carrier's Turnover Date package. Acceptance of a span by Carrier will be an
acknowledgement by the Carrier that all Leased Fiber complies with all
performance criteria contained herein.

1)   POWER TESTING: This end-to-end loss measurement will be conducted for each
     Leased Fiber in the span and from both directions using an
     industry-accepted laser source and power meter. The bi-directional average
     will be used to determine the end-to-end loss of the span at each
     appropriate wavelength. This test will be conducted at both 1310 nm and
     1550 nm for Standard Single Mode Fiber; Dispersion Shifted Fiber (True
     Wave(TM), LEAF(TM), etc.) will be tested at 1550 nm only. In the event that
     a span consists of both Standard Single Mode and Dispersion Shifted fiber
     types, only 1550 nm testing will be conducted. This power testing will
     ensure fiber continuity and the absence of crossed fibers in the span.
     Power testing will only be conducted where the Leased Fiber is terminated
     by MFN in fiber distribution panels at both ends of the span.

2)   OTDR TESTING: All traces will be provided in hard copy and diskette form
     using GR 196 format. This testing will be conducted at both 1310 nm and
     1550 nm wavelengths when the Leased Fiber consists of Standard Single Mode
     Fiber, but will be done at 1550 nm only if the Leased Fiber consists of
     either Dispersion Shifted Fiber (True-Wave(TM), LEAF(TM), etc.) or a
     combination of Single Mode and Dispersion Shifted fiber types.

     OTDR testing will be conducted on a bi-directional basis for each Leased
     Fiber in each span at the appropriate wavelengths for the Leased Fiber
     described above. However, if due to length or attenuation reasons that the
     Leased Fiber span exceeds the dynamic range of an OTDR, a portion or all of
     the span may be tested on a unidirectional basis only. Alternatively, the
     Leased Fiber span may be divided into shorter testing spans, to the extent
     reasonably possible, in order to obtain bi-directional analysis. Also, in
     instances where a Carrier intends to accept Leased Fiber that is not
     terminated at one end by MFN in a fiber distribution panel (such as in a
     manhole or handhole) only unidirectional testing will be performed.

     The Turnover documentation package delivered at the Turnover Date will
     contain the actual traces that detail the testing parameters (including
     pulse width, averaging and range). The average bi-directional splice loss
     for all splices within each span will be of 0.15 dB or less while each
     connector pair (such as at a FDP) will have an average bi-directional
     connector loss for all splices within each span of 0.5 dB or less for all
     connectors within each span. (Note that the front and end connector of the
     span can only be measured uni-directionally and will also have a loss equal
     to or less than 0.5 dB). In the event that OTDR acceptance testing must be
     done on a unidirectional basis (for reasons described above), an average
     per span splice loss will be 0.30 dB.

     All traces will be provided in hard copy and diskette form using GR 196
     format. If the average bi-directional splice loss of each span exceeds 0.15
     dB (or 0.30 dB uni-directionally), MFN will provide upon the Carrier's
     request documentation of at least three attempts to reduce this value to
     below 0.15 dB (0.30 dB uni-directionally). The only exception to this will
     be in the instance of a splice between two different fiber types (Standard
     Single-mode to Dispersion Shifted, Depressed-Clad to Matched Clad, fibers
     with different mode-field diameters).

Carrier should also note that the loss and/or reflectance of the front-end
connector (as measured using a launch cord) is only an indicator of a problem
such as a defective port, bulkhead, or the like. Since a

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different patch cord will be used by Carrier (that connects to their equipment,
for example) to mate to this connector, a different loss and/or reflectance may
occur.

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                       FIBER OPTIC PRIVATE NETWORK AGREEMENT

                           GENERAL TERMS AND CONDITIONS

1.    TERM AND LEASE

1.1   MFN hereby leases to Carrier optical fiber ("Leased Fiber") on MFN's fiber
      optic cable network ("Network") and/or constructed and installed
      specifically for Carrier and the equipment and interfaces described in the
      Product Order ("Equipment") , as provided in the Product Order. The Leased
      Fiber and Equipment leased by Carrier will be referred to as the
      "Product". The lease term ("Lease Term") and other specific terms
      pertaining to the Product are set forth in the Product Order. The term
      "Party" will refer, individually, to either MFN or Carrier and the term
      "Parties" will refer to both of them. The term "Agreement" will mean and
      include the Product Order and all Exhibits thereto and these General Terms
      and Conditions.

1.2   MFN will use commercially reasonable efforts to complete installation of
      and provide Carrier with access to the Product on or about the Estimated
      Installation Completion Date specified in the Product Order at the
      Locations specified in the Product Order ("Turnover Date"). For a period
      of time not to exceed ten (10) business days after the Turnover Date (the
      "Acceptance Test Period"), Carrier will conduct such testing as it
      reasonably deems necessary to ensure that the Product conforms in all
      material respects to the material technical specifications set forth in
      the relevant Exhibits ("Specifications"), Carrier will complete such
      acceptance testing and notify MFN in writing within the Acceptance Test
      Period of any "Deficiencies" (as defined herein) in the Product, otherwise
      the Product shall be deemed to be accepted by Carrier, Deficiencies exist
      if the Product does not conform in all material respects to the relevant
      Specifications. Upon receipt of such notification from Carrier, MFN will
      promptly undertake correction of such Deficiencies and restore access to
      and use of the Product to Carrier. The "Service Date," whereupon the Lease
      Term commences, will be the earlier of (i) completion of testing and
      acceptance of Product by Carrier or (ii) expiration of the Acceptance Test
      Period. MFN shall test the Leased Fibers in accordance with the procedures
      specified in the Exhibits to verify that the Lased Fibers are installed
      and operational in accordance with the specifications described in the
      Exhibits. Fiber testing shall progress span by span along each portion of
      the Product as cable splicing progresses, so that test results may be
      reviewed in a timely manner. MFN shall provide Carrier reasonable advance
      notice of the date and time of each fiber test such that Carrier shall
      have the opportunity to have a person or persons present to observe MFN's
      fiber testing. When MFN has determined that the results of the fiber
      testing with respect to a particular span show that the Leased Fibers so
      tested are installed and operating in conformity with the applicable
      specifications set forth in the Exhibits, MFN shall promptly provide
      Carrier with a copy of such test results.

1.3   Carrier will obtain all necessary approvals for access into the Location
      buildings and for the use of any required building riser conduit or other
      required building facilities at all Locations. Unless otherwise provided
      for in the Product Order, if there is no existing and available riser
      conduit or other required facilities within such buildings then MFN will
      perform all construction and installation of such riser conduit and
      Carrier will reimburse MFN for the entire cost to construct and install
      such riser conduit plus [*] plus applicable sales or
      other taxes.

1.4   Upon the expiration of the Lease Term, or any earlier termination of this
      Agreement, Carrier will promptly remove from any property owned, leased or
      licensed by MFN all Carrier property, equipment and other materials used
      in connection with the Product within forty five (45) days from such
      expiration or termination. Carrier will complete such removal in a manner
      that does not interfere with or damage the Product or the Network. If
      Carrier fails to

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remove its property within such period, such property will be deemed abandoned,
and MFN will make such disposition of the property as it deems necessary at
Carrier's sole expense.

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2.   TERMS OF PAYMENT

2.1  Unless otherwise provided for in the Product Order, Carrier agrees to pay
     the One Time Installation Charge upon the execution of this Agreement and
     the Prepaid Lease Payment as provided in the Product Order. Carrier will
     also pay to MFN all applicable sales or other taxes other than taxes on or
     measured by MFN's income or capital, ("Applicable Taxes"), unless Carrier
     is eligible for an exemption and Carrier provides to MFN an exemption
     certificate or other documentation. Commencing on the earlier of (i) the
     Service Date for the first Location of each Ring or (ii) 180 days after
     the effective date of the product Order (unless all such delays are caused
     by or result from the act or omission of MFN), Carrier will pay the
     Prepaid Lease Payment (and the Monthly Maintenance Payment for the
     Equipment, if applicable) plus Applicable Taxes. The Prepaid Lease
     Payment, if any, will be paid as provided in the Product Order.

2.2  The Monthly Lease Payment for the Leased Fiber and, if applicable, the
     Monthly Maintenance Payment for the Equipment and any payment pursuant to
     a collocation agreement, if any, (together, the "Payment") will be
     increased (but not decreased) each year during the Lease Term by the
     percentage increase, if any, in the Consumer Price Index -- Urban Wage
     Earners and Clerical Workers (U.S. City Average, All Items, Base
     1982-1984 equals 100) (the "Index"), as published by the United States
     Department of Labor, Bureau of Labor Statistics (the "Bureau"). The Index
     for the calendar month which is four (4) months prior to the Service Date
     will be compared with the Index for the calendar month which is four (4)
     months prior to each anniversary of the Service Date during the Lease Term
     and the Payment will be increased in accordance with the percentage
     increase, if any, between such Indexes.

2.3  If Carrier fails to pay any sum when due pursuant to this Agreement, then,
     in addition to such sum, Carrier will pay interest on such unpaid sum at
     the lower of the highest legal rate of interest permitted in the State of
     New York or one and [*] per month.

3.   MAINTENANCE, RESTORATION AND REPAIR OF THE NETWORK AND PRODUCT MONITORING

3.1  MFN will provide remote monitoring of the Network and the Product to the
     extent that the Product is incorporated into the Network. MFN will use
     commercially reasonable efforts to maintain the Product in accordance
     with the Specifications (subject to reasonable wear and tear) and the
     Network in good operating condition at all times during the Lease Term.
     The foregoing maintenance will be at no additional charge to Carrier,
     except as set forth in Section 3.4 hereof.

3.2  An "Outage" will mean the complete interruption of communications on one
     or more of Carrier's Leased Fibers resulting from physical damage to, or
     severance of, or a break in, or other failure for any Product. If an Outage
     or any other material degradation of service on any Leased Fibers occurs
     Carrier will immediately notify MFN by telephone at (888) 636-2778 or
     through such other notification procedure as Parties may establish.
     Provided that MFN personnel or contractors have access to affected Carrier
     facilities immediately upon notification, MFN will respond and commence
     work within two (2) hours after the time of notification by Carrier and
     restore effective use of the Product as expeditiously as practicable, but
     in no event more than four (4) hours after receipt by MFN of Carrier's
     notification, subject to "Force Majeure" as provided in Section 11 hereof.

3.3  Except for any Outage caused by or resulting from (i) Force Majeure as set
     forth in Section 11 hereof; (ii) the act or omission of Carrier, its
     employees, agents or contractors; (iii) any of Carrier's equipment or
     facilities used in connection with the Product; or (iv) planned Outages by
     reason of Services which have been scheduled and approved in advance by
     Carrier ("Excepted Outages") in the event of an Outage, Carrier will
     receive from MFN a

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     credit ("Outage Credit") calculated at [*] of the Leased Fiber Monthly
     Lease Payment for the affected Leased Fiber strands for each [*] of Outage,
     up to a maximum of the Leased Fiber Monthly Lease Payment for [*]. Except
     in the case of a Prepaid Lease Payment or termination as provided in this
     Section 3.3, the Outage Credit will be applied against future payments
     which may become due and payable by Carrier to MFN. The Outage Credit will
     be determined by dividing the total Leased Fiber Monthly Lease Payment by
     the number of Locations and dividing this result by the number of Leased
     Fiber strands to determine the Leased Fiber Monthly Lease Payment per
     Leased Fiber Strand. This result is then multiplied by [*] and by the
     number of [*] Outage periods. For example, if the Leased Fiber Monthly
     Lease Payment for six (6) Locations is [*], the Leased Fiber Monthly Lease
     Payment for each Location would be [*], and if there were four (4) Leased
     Fiber strands for each Location, the result would be [*] per Fiber Strand.
     If the Outage affected two (2) strands at one Location for [*], the Outage
     Credit would be [*]. For purposes of determining the Outage Credit pursuant
     to this Section 3.3, if the Product Order provides for a Prepaid Lease
     Payment, then the Monthly lease payment will be determined by dividing the
     Prepaid Lease Payment by the total number of months of the Lease Term. The
     Outage Credit will be in the form of a cash payment to Carrier by MFN if
     Carrier has paid the Prepaid Lease Payment in full or if this Agreement is
     terminated by either Party as provided in Section 3.4 hereof. Outage
     Credits will not be credited or payable for any period of time during which
     MFN personnel or contractors are denied access to Carrier Locations or
     other facilities to remedy an Outage.

3.4  If an Outage occurs and continues for a period longer than fifteen (15)
     days for any reason other than "Force Majeure" as defined in this
     Agreement, then at any a time thereafter, unless and until such Outage is
     corrected, either Party can terminate this Agreement and the Product Order
     with respect to the Product subject to the Outage by written notice of
     such termination delivered to the other Party. Notwithstanding the
     foregoing, if such Outage occurs and continues by reason of a breach by a
     Party of its obligations under this Agreement, such breaching Party will
     not have any right to terminate this Agreement. The Outage Credit and
     right to terminate will be the sole and exclusive remedy of Carrier and
     liability of MFN for any Outage regardless of the cause of such Outage.

3.5  If all or part of the Product requires restoration, replacement or repair
     by reason of an act or omission of Carrier, its employees, agents or
     contractors or any of Carrier's equipment or facilities used in connection
     with the Product, such repair, replacement and/or restoration will be made
     by MFN, at Carrier's sole expense, in accordance with MFN's then current
     time and materials rates plus Applicable Taxes. In addition, Carrier will
     not receive any Outage Credit by reason of the foregoing.

3.6  MFN may assign or subcontract to any third party any or all of its
     performance obligations (including limitation maintenance) under this
     Agreement and Product Order at any time, without the consent of Carrier,
     provided that MFN will remain obligated for such performance in accordance
     with the terms of this Agreement.

3.7  MFN will have the right to inspect Carrier's use of the Product at any
     time and from time to time during normal business hours upon at least
     "twenty-four (24) hours" prior notice by MFN.

4.   USE AND OWNERSHIP OF THE PRODUCT

4.1  Carrier will not, by itself or through any agent or contractor, make any
     repair to or replacement of the Product or the Network or any other
     equipment or facilities provided by MFN in connection with the Product or
     otherwise. Carrier will not install any equipment to be used with the
     Product or use the Product in any manner which damages or interferes with
     the Product or the Network. Subject to the provisions of this Agreement,
     Carrier shall

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     have full and complete control and responsibility for determining the
     equipment to be used in conjunction with the Product.

4.2  Carrier will use the Product in full compliance with all applicable
     federal, state and local laws, rules and regulations and all applicable
     franchises, rights of way, leases, licenses, contracts and other
     obligations to third parties with respect to the Network or Product.
     Carrier will obtain and maintain in effect during the Lease term all
     rights, leases, licenses, permits and governmental or non-governmental
     approvals necessary for use of the Product by Carrier and its customers.

4.3  Carrier acknowledges and agrees that the Product is provided for use (1)
     exclusively by Carrier and/or affiliated entities which control or are
     controlled by or commonly controlled with Carrier ("Affiliates") which are
     named in the Product Order (if so named, then the term "Carrier" as used in
     this Agreement will include any such Affiliates of Carrier), (2) customers
     of Carrier and (3) in either case only in the ordinary course of business
     of Carrier. For purposes of this Agreement, the ordinary course of
     Carrier's business shall not include the sale, leasing or granting of any
     rights of use in "dark fiber", as such term is commonly understood in the
     telecommunications industry. Carrier will not under any circumstances (a)
     permit or provide access to or use of the Product, in whole or part, to any
     third party (other than a customer of Carrier in the ordinary course of
     business of Carrier), pursuant to (by way of example and not in limitation)
     sublease, license, sublicense or resale, or any other right to use, or (b)
     share or otherwise utilize in conjunction with a third party (including
     without limitation in any joint venture or as part of any outsourcing
     activity) any of the Product. Any breach of this Section 4.3 will be deemed
     to be a material breach of this Agreement and in the event of such material
     breach MFN will have the right to immediately terminate this Agreement, any
     applicable Product Orders and Carrier's access to the Network, in addition
     to any and all rights and remedies.

4.4  MFN retains all right, title and interest in and to the Product and the
     Network to the points within the locations specified in the Product Order
     at which MFN's facilities end and Carrier's facilities begin, subject only
     to the grant of access and use provided to Carrier pursuant to this
     Agreement. MFN agrees to use commercially reasonable efforts to obtain a
     non-disturbance agreement from any third party in favor of which MFN in its
     discretion shall have granted after the date hereof a security interest or
     lien on all or part of the Product.

4.5  MFN reserves the right to utilize unused external building access and space
     within the building conduit(s) occupied by the Product at the locations and
     otherwise, provided that such use does not interfere with or hinder
     Carrier's use of its Product as permitted hereunder.

5.   AUTHORIZATIONS; RELOCATION; CONDEMNATION

5.1  "Authorization(s)" will mean all material and applicable governmental or
     non-governmental licenses, easements, rights of way, conduit, pole
     attachment and any other facilities or property rights, licenses,
     contracts, franchises, approvals, permits, orders, consents, and all other
     rights required for MFN to operate and maintain the Network or provide the
     Product to Carrier pursuant to this Agreement.

5.2  MFN will use commercially reasonable efforts to have or obtain by the
     Service Date, all Authorizations and to maintain or renew all such
     Authorizations through the Initial Term and to replace such Authorizations
     with reasonably suitable replacement Authorizations if any expire or are
     terminated or discontinued during the Initial Term. If any Authorizations
     are modified, terminated or discontinued and not replaced, and the loss of
     such Authorizations threatens to cause or does cause material financial
     harm to MFN, or prevents or materially interferes with MFN's control,
     possession and/or use of the Network or ability to lease the Product or
     materially and adversely affects the use by Carrier of the Product, then
     MFN will

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      at its option either (i) provide Carrier with comparable Product or fiber
      optic capacity on portions of MFN's then existing Network (and/or other
      MFN Networks, including networks belonging to or controlled by MFN
      Affiliates) or on networks of third parties, or (ii) terminate this
      Agreement with respect to the effected Product and rebate to Carrier the
      pro rata portion of all Prepaid Lease Payments allocable to the terminated
      Product and amortized over the remainder of the Lease Term. The foregoing
      will be MFN's sole and exclusive liability and Carrier's sole and
      exclusive remedy with respect to the foregoing.

5.3   If MFN receives notice of any request, intent or plan by any governmental
      or non-governmental third party, to relocate any material part of the
      Product or any material segment of MFN's Network used in the provision of
      the Product, MFN will notify Carrier of such request, intent or plan. If
      MFN is required by any such third party to relocate any segment of MFN's
      network used in providing the Product, MFN will give Carrier at least
      sixty (60) days (or such lesser period of notice that MFN may have
      received) prior written notice of any such relocation ("Relocation
      Notice"). Together with the Relocation Notice, MFN will provide an
      estimate of the cost of such relocation. MFN will relocate the Leased
      Fibers, and, to the extent MFN is not reimbursed for the cost of such
      relocation by a third party, governmental entity or otherwise, Carrier
      will pay its pro rata share of the costs associated with the relocation of
      the Product; except, however, to the extent that such relocation is the
      direct result of any negligent or willful act or omission of MFN, MFN will
      use its commercially reasonable efforts to secure an agreement for
      reimbursement from any third party, governmental entity or otherwise,
      requiring any relocation of the Network and the Product.

5.4   If any portion of the Network or the Product and/or the Authorizations in
      or upon which the Product has been installed, become the subject of a
      condemnation proceeding which is not dismissed within one hundred eighty
      (180) days after the date of filing of such proceeding and which could
      reasonably be expected to result in a taking by any governmental agency or
      other party having the power of eminent domain for public purpose or use,
      both Parties will be entitled, to the extent permitted under applicable
      law, to participate in any condemnation proceedings for compensation by
      either joint or separate awards for the economic value of their respective
      interests in the Leased Fibers that are subject to such condemnation
      proceeding.

5.5   MFN shall be responsible for and shall timely pay any and all fees, taxes,
      levies, charges or withholdings of any nature, together with any
      penalties, fines, or interest thereon relating to the Authorizations.

6.    WARRANTIES

6.1   MFN warrants to Carrier that upon the Service Date the Product will
      operate in accordance with the specifications related thereto.

            EXCEPT AS OTHERWISE EXPRESSLY PROVIDED IN THIS AGREEMENT, MFN
            DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED INCLUDING ANY
            AND ALL WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
            PURPOSE WITH RESPECT TO THE (i) NETWORK OR PRODUCT, (ii) THE LEASE
            GRANTED PURSUANT HERETO, (iii) MAINTENANCE SERVICES (iv)
            CONSTRUCTION AND INSTALLATION SERVICES, IF ANY, AND (v) ANY OTHER
            SERVICES(S) (HEREINAFTER (iii) THROUGH (v) WILL COLLECTIVELY BE
            REFERRED TO AS "SERVICES") PROVIDED BY OR ON BEHALF OF MFN
            HEREUNDER.

7.    LIABILITY/INDEMNIFICATION

                                      -6-
<PAGE>   12
  7.1  Except for the gross negligence or willful misconduct of a Party
       hereto and except where a specific remedy is provided in this Agreement,
       the liability of each Party to the other Party for damages will be
       limited to [*]. In no event will either Party be liable to the other
       Party for any incidental, indirect, special, consequential, exemplary, or
       punitive damages arising out of or relating to this Agreement, the lease
       granted hereunder, the Network, Product or Services provided hereunder,
       including damages based on loss of revenues, profits or lost business
       opportunities, regardless of whether the respective Party had been
       advised of or could have foreseen the possibility of such damages.

  7.2  Each Party agrees to indemnify, defend and hold the other, its officers,
       directors, employees, agents and contractors harmless from and against
       all loss, damage, liability, cost and expense (including reasonable
       attorney's fees and expenses) by reason of any claims or actions by third
       parties for (i) bodily injury, including death, (ii) damage, loss or
       destruction of any real or tangible personal property (including without
       limitation the Network and Product) which third party claims arise out of
       or relate or (a) any Product or Services provided by or on behalf of MFN
       hereunder, (b) a Party's performance of or failure to perform any term,
       condition or obligation under this Agreement, (c) any act or omission of
       a Party's directors, agents, employees, contractors, representatives or
       invitees, or (d) Carrier's or its customer's use of the Product and
       conduct of their respective businesses including without limitation the
       content of any video, voice or data carried by Carrier or its customers
       on the Product or Network.

  7.3  Except as otherwise set forth in this Agreement, nothing contained herein
       will operate as a limitation on the right of either Party to bring an
       action for damages against any third party based on any act or omission
       of such third party as such act or omission may affect the construction,
       operation, or use of the Product. Each Party agrees to execute such
       documents and provide such commercially reasonable assistance, at the
       claiming Party's sole expense, as may be reasonably necessary to enable
       the claiming Party to pursue any such action against such third party.

  8.   CONFIDENTIALITY
       --------------

  8.1  The Parties acknowledge and agree that this Agreement and the information
       each Party has provided or will provide in connection with this
       Agreement or that the other Party learns or obtains from a source other
       than public domain or from a source (including a Party) not in violation
       of any obligation of confidentiality, are and will be confidential
       and proprietary to the Party providing such information (the "Providing
       Party"). The Party in receipt of or learning or obtaining the
       confidential information (the "Receiving Party") agrees not to
       distribute, use or disclose to any third party the confidential
       information of the Providing Party.

  8.2  Except as may be required by applicable legal requirements in the
       course of defending or prosecuting a legal, insurance or other claim
       or as required by applicable law, rule or regulation, Receiving Party
       will restrict dissemination of confidential information to only those
       persons who must have access to such confidential information in order
       to perform their respective rights or obligations hereunder. The
       Receiving Party will promptly notify the Disclosing Party of any such
       required disclosure to enable the Disclosing Party to seek protective
       relief therefrom and shall cooperate as the Disclosing Party may
       request in connection therewith.

  8.3  Carrier may disclose the identity of MFN as a supplier of Carrier, and
       MFN may disclose the identity of Carrier as customer of MFN, each with
       the prior written consent from the others which consent will not be
       unreasonably withheld or delayed; provided; that no such disclosure
       shall imply any endorsement of the disclosed Party or contain any
       misleading reference to the nature of the relationship between the
       Parties.

--------------------
[*] Information redacted pursuant to a confidential treatment request
    throughout this exhibit.

                                       7
<PAGE>   13
8.4  Each Party acknowledges and agrees that the information of the Disclosing
     Party described in this Section 8 constitutes valuable property of the
     Disclosing Party and that Disclosing Party will suffer irreparable injury
     not compensable by money damages for which the Disclosing Party will not
     have an adequate remedy at law in the event of a breach by the Receiving
     Party of the provisions for this Section 8 and therefore the Disclosing
     Party shall be entitled to injunctive relief to prevent or curtail any such
     breach, threatened or actual. The foregoing shall be without prejudice to
     or limitation on any other rights a Party may have under this Agreement, at
     law or in equity.

9.   NOTICES

Unless otherwise provided herein, all notices and communications concerning
this Agreement will be in writing and sent to the address (and contact person)
specified in the Product Order, or at such other address as may be designated
in writing by a Party. Unless otherwise provided herein, notices will be sent
by certified US Postal Service, return receipt requested, or by commercial
overnight delivery service, or by facsimile, and will be deemed delivered, if
sent by US Postal Service, five (5) days after deposit, if sent by facsimile,
upon verification or receipt or, if sent by commercial overnight delivery
service, one (1) business day after deposit therewith.

10.  RENEWAL TERM

Provided that Carrier is not in breach of any of its material obligations under
this Agreement and subject to the conditions of this Agreement, Carrier may
renew the term of this Agreement for the Product for one (1) additional renewal
term upon the terms and conditions of this Agreement, except for the length of
such renewal term and the Installation and Lease Fee payments, which the Parties
will negotiate in good fifth following Carrier's written request for renewal
delivered to MFN no earlier than one year before the scheduled expiration date
of the initial term and no later that ninety (90) days before such expiration
date.

11.  TERMINATION/FORCE MAJEURE

     11.1 If any of the following events of default occur, the non-breaching
          Party (if MFN) will have the right to deny access by Carrier to the
          Product or Network and (if either Party) to terminate this Agreement
          by written notice following the expiration of any periods of time
          included in the following, such termination to be effective in the on
          the date set forth in the written notice of termination:

          11.1 (a)  If Carrier terminates any Product Order at any time before
                    the expiration of the Lease Term (whether before or after
                    the Turnover Date) or falls to make any payment hereunder
                    within five (5) days or receipt of written notice of late
                    payment from MFN, MFN will have the right to terminate this
                    Agreement and deny access by Carrier to the Product or
                    Network immediately without further notice to Carrier.

          11.1 (b)  If a Party breaches any material term or condition of this
                    Agreement and such breach remains uncured thirty (30) days
                    after delivery to the breaching Party of written notice of
                    such breach, unless the breach is of a nature or involves
                    circumstances requiring more than thirty (30) days to cure,
                    or if MFN's failure is failure to complete construction,
                    installation, and successful fiber acceptance and testing by
                    the Estimated Installation Completion Date, the time period
                    may be extended for such time as will be reasonably
                    required, provided the defaulting party proceeds diligently
                    to cure the breach.

          11.1 (c)  A Party applies for or consents to the appointment of a
                    receiver, trustee or similar officer for it or any
                    substantial part of its property or assets, or any such
                    appointment is made without such application or consent by
                    such Party and remains undischarged for a period of sixty
                    (60) days; or

                                       8

<PAGE>   14
          11.1 (d)  A Party consents to the institution of a petition,
                    application, answer, consent, default of otherwise of any
                    bankruptcy, insolvency or reorganization and any such
                    proceeding as instituted against such Party remains
                    undischarged for a period of sixty (60) days.

     11.2 In the event of termination of the Product Order by MFN pursuant to
          Section 11.1 hereof or by Carrier after execution of the Product Order
          or before the end of the Lease Term (other than by Carrier for cause
          as provided in this Section 11), MFN will be entitled to receive, and
          Carrier will immediately pay, the early termination charge ("Early
          Termination Charge") set forth in the Product Order, and to offset any
          remaining portion of the Prepaid Lease Payment against any sums
          otherwise due and payable by Carrier to MFN pursuant to this
          Agreement.

     11.3 If any Authorization is modified, terminated or discontinued and not
          replaced as provided in Section 5.2 of these General Terms and
          Conditions, and MFN has not notified Carrier in writing within sixty
          (60) days after the occurrence of such modification, termination or
          discontinuance that MFN will provide additional or substitute Product
          or capacity as provided in Section 5.2, then and thereafter either
          party has the right, exercisable in its sole discretion, to terminate
          the Product Order with respect to the affected Product upon thirty
          (30) days prior written notice (or such other notice as is
          practicable under the circumstances) without liability whatsoever by
          either Party to the other Party or any party claiming by, through or
          under such other Party other than the return to Carrier, of the
          unamortized portion of any Prepaid Lease Payment as of the date of
          such termination as provided in Section 5.2.

     11.4 Neither Party will be in breach of this Agreement resulting from delay
          or prevention of performance of such Party which is caused by any act
          attributable to an occurrence or an event of "Fore Majeure" as defined
          herein. Neither party will, however, be relieved of liability for
          failure of performance due to a claimed Force Majeure hereunder if
          such failure is due to causes arising out of its own negligence or to
          removable or remedial causes that it fails to remove or remedy using
          commercially reasonable efforts and within a reasonable period of
          time.

     11.5 The term "Force Majeure" will mean any cause beyond the control of
          Carrier (or MFN, as applicable) which, by the exercise of due
          foresight, Carrier (or MFN) could not reasonably have been expected to
          avoid, and which by the exercise of reasonable diligence, Carrier (or
          MFN) will be unable to overcome, including but not limited to action
          by governmental authority including without limitation moratorium on
          any activities related to the Agreement, third party labor dispute,
          flood, earthquake, fire, lightning, epidemic, war, riot, civil
          disturbance, sabotage and the like. The party affected by an event of
          Force Majeure (the "Affected Party") will notify the other party (the
          "Other Party") promptly of any occurrence or condition which, in the
          Affected Party's reasonable opinion, warrants an extension of time.
          Such notice will specify in detail the anticipated length of delay,
          the cause of the delay and a timetable by which any remedial measures
          will be implemented.

12.  ASSIGNMENT; SUCCESSION

     12.1 Carrier will not assign any right nor delegate any duty under this
Agreement, in whole or in part, whether by operation of law or otherwise,
without the prior written consent of MFN, such consent not to be unreasonably
withheld or delayed. Carrier shall have the right, without MFN' consent, to
assign this Agreement to (i) any entity which controls, is controlled by or is
under common control with Carrier or (ii) any entity into which Carrier may be
merged or consolidated or which purchases all or substantially all of the stock
or assets of Carrier; provided that the assignee or transferee in any such
circumstance shall continue to be subject to all of the provisions of this
Agreement, including, without limitation, the provisions of this section; and
provided further that in any of the circumstances

                                       9
<PAGE>   15

     described in clauses (i) and (ii) all of the payment obligations of
     Carrier hereunder for the remainder of the Lease Term shall be paid in
     full as a condition to such transfer or assignment; and provided further
     that Carrier shall give MFN written notice identifying the assignee or
     transferee. Upon any permitted assignment (or delegation) hereunder,
     Carrier will remain jointly and severally responsible for the performance
     under this Agreement unless released in writing by MFN. Any permitted
     assignee will expressly assume all liabilities hereunder prior to the
     effectiveness of such assignment. Any attempted assignment or delegation
     without such consent will be null and void and may be deemed by MFN, in
     its sole discretion, to constitute a material breach of this Agreement.

12.2 The Agreement and Product Order will be binding upon and inure to the
     benefit of the Parties hereto and their respective successors and
     permitted assigns.

13.  GOVERNING LAW

13.1 THIS AGREEMENT WILL BE INTERPRETED AND CONSTRUED IN ACCORDANCE WITH THE
     INTERNAL LAWS OF THE STATE OF NEW YORK WITHOUT GIVING EFFECT TO ITS
     PRINCIPLES OF CONFLICTS OF LAWS.

14.  SURVIVAL

The Parties' respective representation, warranties, and covenants, together
with obligations of indemnification, confidentiality and limitations on
liability will survive the expiration, termination or rescission of this
Agreement and continue in full force and effect.

15.  ENTIRE AGREEMENT

This Agreement, Product Order, Exhibits and all addenda attached hereto
constitute the entire agreement between the parties hereto with respect to the
subject matter hereof and supersede any and all prior negotiations,
understandings, and agreement with respect hereto, whether oral or written.

16.  REMEDIES CUMULATIVE

Except as otherwise expressly provided, the rights and remedies set forth in
this Agreement will be in addition to, and cumulative of, all other rights and
remedies at law or in equity.

17.  REPRESENTATIONS, WARRANTIES AND COVENANTS

Each Party represents, warrants and covenants to the other that (a) it is a
corporation, limited liability company, partnership, or other legal entity,
duly organized, validly existing and in good standing under the laws of the
state of its organization, (b) it has all requisite power and authority to
enter into, and perform its obligations under this Agreement and Product Order
and (c) this Agreement, when executed, will become the legal, valid and binding
obligation of such Party.

18.  CONSTRUCTION OF NETWORK

18.1 MFN shall, at MFN's sole cost and expense, be responsible for and shall
effect the design, engineering, installation and construction of those portions
of the Network nor already constructed as of the date hereof in accordance with
the Specifications set forth in the Exhibits. All Leased Fiber shall meet or
exceed the applicable fiber specifications set forth in the Exhibits.

Carter shall have the right, upon written request, to inspect the construction,
installation, splicing and testing of the Product during the course and at the
time of the relevant design, construction and installation period as may be
reasonably permitted by MFN for the purpose of verifying conformity with the
Specifications set forth in the Exhibits.

                                       10
<PAGE>   16
19.   DOCUMENTATION

Not later than ninety (90) days after the Service Date for the Leased Fibers,
MFN shall provide Carrier with as-built drawings for such Leased Fibers.

20.   NETWORK ACCESS

20.1  MFN shall provide Carrier with access to, and Carrier shall have the
right to connect, at Carrier's sole cost and expense, its telecommunications
Network with the Product at various network access points on the Network as may
be requested by Carrier and agreed to by MFN. The specific locations of each
such connections shall be as mutually reasonably agreed upon by the parties.
Any such connection will be performed by MFN, at Carrier's sole cost and
expense, in accordance with MFN's applicable specifications and operating
procedures.

20.2  Carrier shall pay MFN's cost for each such connection within thirty (30)
days of the date of Carrier's receipt of MFN's invoice therefor. In order to
schedule a connection of this type, Carrier shall request and coordinate such
work not less than ninety (90) days in advance of the date the connection is
requested to be completed.

21.   INSURANCE

21.1  During the construction period with respect to any portion of the
Product, and until the Acceptance Date with respect thereto, MFN shall procure
and maintain in force the following insurance coverage from companies lawfully
approved to do business in the state where the construction will be performed:

      (a)   not less than $5,000,000 combined single-limit liability insurance,
            on an occurrence basis, for personal injury and property damage,
            including, without limitation, injury or damage arising from the
            operation of vehicles or equipment and liability for completed
            operations;

      (b)   workers' compensation insurance in amounts required by applicable
            law and employers' liability insurance with a limit of at least
            $1,000,000 per occurrence;

      (c)   automobile liability insurance covering death or injury to any
            person or persons, or damage to property arising from the operation
            of vehicles or equipment, with limits of not less than $2,000,000
            per occurrence; and

      (d)   any other insurance coverage required pursuant to MFN's right-of-way
            agreements with railroads or other third parties.

21.2  MFN shall require its subcontractors who are engaged in connection with
the construction of the Network to maintain insurance in the types and amounts
as would be obtained by a prudent person to provide adequate protection against
loss. In all circumstances, MFN shall require its subcontractors to carry a
minimum of $1,000,000 in commercial general liability.

22.   DISPUTE RESOLUTION

22.1  Except as provided in Article 11, if the parties are unable to resolve
any disagreement or dispute arising under or related to this Agreement,
including without limitation, the failure to agree upon any item requiring a
mutual agreement of the parties hereunder, they shall resolve the disagreement
or dispute by arbitration as prescribed in this Section. The Federal
Arbitration Act, 9 U.S.C. Sections 1-15, not state law, shall govern the
arbitrability of all claims.

                                       11
<PAGE>   17
22.2 Three arbitrators engaged in the practice of law who are knowledgeable
     about the subject matter of this Agreement shall conduct the arbitration
     under the then current rules of the American Arbitration Association (the
     "AAA"). The arbitrator shall be selected in accordance with AAA procedures
     from a list of qualified people maintained by the AAA.

22.3 The arbitration shall be conducted in the AAA office in Washington, D.C.,
     and all expedited procedures prescribed by the AAA rules shall apply.

22.4 There shall be no discovery other than the exchange of information which is
     provided to the arbitrator by the parties. The arbitrator shall have
     authority only to award compensatory damages and shall not have authority
     to award punitive damages, other noncompensatory damages or any other form
     of relief; the parties hereby waive all rights to any claims for relief
     other than compensatory damages. The arbitrators' fees and other costs of
     the arbitration shall be borne by the party against whom the award is
     rendered, except as the arbitration panel may otherwise provide in its
     written opinion.

22.5 If any party files a judicial or administrative action asserting claims
     subject to arbitration as prescribed herein, and another party successfully
     stays such action or compels arbitration of said claims, the party filing
     said action shall pay the other party's costs and expenses incurred in
     seeking such stay or compelling arbitration, including reasonable
     attorneys' fees.

23   MISCELLANEOUS

23.1 The covenants, undertakings, and agreements set forth in this Agreement
     will be solely for the benefit of and will be enforceable only by the
     Parties hereto or their respective successors or permitted assigns.

23.2 The headings of the Sections of this Agreement are strictly for convenience
     and will not in any way be construed as amplifying or limiting any of the
     terms, provisions or conditions thereof.

23.3 In the event any term of this Agreement will be held invalid, illegal or
     unenforceable, in whole or in part, neither the validity of the remaining
     part of such term nor the validity of the remaining terms of this Agreement
     will be in any way affected thereby.

23.4 This Agreement may be amended only by a written instrument executed by the
     Parties.

23.5 No failure to exercise and no delay in exercising, on the part of either
     Party hereunder, any right, power or privilege hereunder will operate as a
     waiver hereof, except as expressly provided herein.

23.6 This Agreement may be executed in multiple counterparts, each of which will
     constitute one and the same instrument.

                                       12<PAGE>   1
                                                                   EXHIBIT 10.20

                                                     Billing Number 503-982-9464
                                                        Agreement Number AC00606

                       U S WEST NETWORK SERVICE AGREEMENT
                                  GENERAL TERMS
                                   Intrastate

      This is an agreement between SHARED COMMUNICATIONS SERVICES ("CUSTOMER")
and U S WEST COMMUNICATIONS, INC. ("USWC"), for the provision of the USWC
Service defined on Attachment 1 ("Service"), which is incorporated herein by
this reference. Where Attachment 1 conflicts with these General Terms,
Attachment 1 will prevail.

      1. SCOPE. Under this Agreement, USWC shall furnish and CUSTOMER shall pay
for Service as defined on Attachment 1. USWC shall provide Service up to the
Standard Network Interface ("SNI") at CUSTOMER's premises. The SNI is that
location where USWC's protected network facilities end and CUSTOMER's inside
wire or network begins. USWC provides Service in accordance with the applicable
Tariff, Price List, and/or Catalog ("Tariff") which governs Service in the state
Service is provided, incorporated herein by this reference.

      2. TERM. This Agreement will commence on the latest signature date,
provided mandatory filing requirements are met. The term of this Agreement will
expire sixty (60) months from the date of January 30, 1997.

Should USWC continue to provide Service after this term without a further
agreement, the Service charges will convert to the applicable month-to-month
rate under the terms and conditions of the applicable Tariff.

      3. CHARGES AND BILLING. CUSTOMER agrees to pay the charges for Service as
specified on Attachment 1. These charges do not include applicable taxes imposed
by law. CUSTOMER shall pay each bill in full by the payment due date on each
bill. Where permitted by law, late payment charges shall be assessed according
to Tariff, or law. The charges for Services under this Agreement, including any
and all discounts to which CUSTOMER may be entitled, will be offered and charged
to CUSTOMER independently from and regardless of the CUSTOMER's purchase of any
customer premises equipment or enhanced services from USWC.

      4. TERMINATION. Either party may terminate this Agreement for cause
provided written notice specifying the cause for termination and requesting
correction within thirty (30) days is given the other party and such cause is
not corrected within such thirty (30) day period. Cause is any material breach
of the terms of this Agreement. If USWC terminates this Agreement for cause, or
if CUSTOMER terminates this Agreement WITHOUT cause, CUSTOMER shall pay
discontinuance charges. If termination is prior to installation of Service,
discontinuance charges shall be those reasonable costs incurred by USWC through
the date of termination. Termination Charges for Service discontinued after
installation are defined on Attachment 1.

      5. INTERRUPTIONS TO SERVICE. Tariff specifies the credit allowance due
CUSTOMER, if any, for interruptions to Service which are not caused by
CUSTOMER's negligence.

      6. PERSONAL INJURY; PROPERTY DAMAGE. Each party shall be responsible for
any actual physical damages it directly causes to the other in the course of its
performance under this Agreement, limited to damages resulting from personal
injuries, death, or property damage arising from negligent acts or omissions;
PROVIDED HOWEVER, THAT NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY
INCIDENTAL, CONSEQUENTIAL, INDIRECT, OR SPECIAL, DAMAGES OF ANY KIND, INCLUDING
BUT NOT LIMITED TO ANY LOSS OF USE, LOSS OF BUSINESS, OR LOSS OF PROFIT.

      7. LIMITATION OF LIABILITY. USWC SHALL NOT BE LIABLE TO CUSTOMER FOR ANY
INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES OF ANY KIND INCLUDING
BUT NOT LIMITED TO ANY LOSS OF USE, LOSS OF BUSINESS, OR LOSS OF PROFIT. EXCEPT
AS PROVIDED UNDER "PERSONAL INJURY; PROPERTY DAMAGE" ABOVE, ANY USWC LIABILITY
TO CUSTOMER FOR ANY DAMAGES OF ANY KIND UNDER THIS AGREEMENT SHALL NOT EXCEED,
IN

--------------------
[*] Information redacted pursuant to a confidential treatment request
    throughout this exhibit.

                                                                          PAGE 1
<PAGE>   2

AMOUNT, A SUM EQUIVALENT TO THE APPLICABLE CREDIT FOR INTERRUPTIONS TO SERVICE
UNDER THIS AGREEMENT. REMEDIES UNDER THIS AGREEMENT ARE EXCLUSIVE AND LIMITED TO
THOSE EXPRESSLY DESCRIBED IN THIS AGREEMENT.

      8. NO WARRANTIES. THERE ARE NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.

      9. UNCONTROLLABLE CIRCUMSTANCES. Neither party shall be deemed in
violation of this Agreement if it is prevented from performing any of the
obligations under this Agreement by reason of severe weather and storms;
earthquakes or other natural occurrences; strikes or other labor unrest; power
failures; nuclear or other civil or military emergencies; acts of legislative,
judicial, executive or administrative authorities; or any other circumstances
which are not within its reasonable control.

      10. DISPUTE RESOLUTION.

10.1. Other than those claims over which a regulatory agency has exclusive
jurisdiction, all claims, regardless of legal theory, whenever brought and
whether between the parties or between one of the parties to this Agreement and
the employees, agents or affiliated businesses of the other party, shall be
resolved by arbitration. A single arbitrator engaged in the practice of law and
knowledgeable about telecommunications law shall conduct the arbitration in
accordance with the then current rules of the American Arbitration Association
("AAA").

10.2. All expedited procedures prescribed by the AAA shall apply. The
arbitrator's decision shall be final and binding and judgment may be entered in
any court having jurisdiction thereof.

10.3. Other than the determination of those claims over which a regulatory
agency has exclusive jurisdiction, federal law (including the provisions of the
Federal Arbitration Act, 9 U.S.C. Sections 1-16) shall govern and control with
respect to any issue relating to the validity of this Agreement to arbitrate and
the arbitrability of the claims.

10.4. If any party files a judicial or administrative action asserting claims
subject to arbitration, and another party successfully stays such action and/or
compels arbitration of such claims, the party filing the action shall pay the
other party's costs and expenses incurred in seeking such stay or compelling
arbitration, including reasonable attorney's fees.

      11. LAWFULNESS. This Agreement and the parties' actions under this
Agreement shall comply with all applicable federal, state, and local laws,
rules, regulations, court orders, and governmental agency orders. Any change in
rates, charges or regulations mandated by the legally constituted authorities
will act as a modification of any contract to that extent without further
notice. This Agreement shall be governed by the laws of the state where Service
is provided.

      12. SEVERABILITY. In the event that a court, governmental agency, or
regulatory agency with proper jurisdiction determines that this Agreement or a
provision of this Agreement is unlawful, this Agreement, or that provision of
the Agreement to the extent it is unlawful, shall terminate. If a provision of
this Agreement is terminated but the parties can legally, commercially and
practicably continue without the terminated provision, the remainder of this
Agreement shall continue in effect.

      13. GENERAL PROVISIONS.

13.1. Failure or delay by either party to exercise any right, power, or
privilege hereunder, shall not operate as a waiver hereto.

13.2. This Agreement shall not be assignable by CUSTOMER without the express
written consent of USWC.

13.3. This Agreement benefits CUSTOMER and USWC. There are no third party
beneficiaries.

                                                                          PAGE 2
<PAGE>   3

13.4. This Agreement constitutes the entire understanding between CUSTOMER and
USWC with respect to Service provided herein and supersedes any prior agreements
or understandings.

The parties hereby execute and authorize this Agreement as of the latest date
shown below:

SHARED COMMUNICATIONS SERVICES            U S WEST COMMUNICATIONS, INC.

/s/ JEFF RAINES
---------------------------------         --------------------------------------
Authorized Signature                      Authorized Signature

JEFF RAINES
---------------------------------         --------------------------------------
Named Typed or Printed                    Named Typed or Printed

President
---------------------------------         --------------------------------------
Title                                     Title

4-15-97
---------------------------------         --------------------------------------
Date                                      Date

Address for Notices                       Address for Notices

PO BOX 12039
Salem, OR 97309-0039

<PAGE>   4

                                  ATTACHMENT 1
                U S WEST CENTREX PLUS SERVICE RATE STABILITY PLAN

      1. SCOPE. USWC shall provide and CUSTOMER shall purchase CENTREX PLUS
Service ("Service"). Service is an intrastate, intraLATA, USWC central
office-based local exchange telecommunications service which includes: 1)
transport of CUSTOMER'S business communications between the SNI at CUSTOMERS
locations) covered by this Agreement and USWC's serving central office; 2)
intraCUSTOMER calling capability (intercommunication); 3) use of related Service
features; and 4) Exchange/Network Access. Service is provided by means of Main
Station Lines, stored program controlled central office switching equipment, and
either a per Main Station Line (non-blocked) access to the general network or
controlled (blocked) access through the use of Network Access Registers, as
determined by CUSTOMER. THIS AGREEMENT PROVIDES RATE STABILITY FOR ALL SERVICE
ELEMENTS EXCEPT EXCHANGE/NETWORK ACCESS, COMMON ACCESS LINE CHARGES (CALC) OR
END USER COMMON LINE CHARGES (EUCL) AND INTER-OFFICE MILEAGE CHARGES.

      2. MOVES, CHANGES. CUSTOMER may request changes to location, quantity,
type, or grade of Service and USWC shall grant such requests subject to the
availability of facilities and the terms and conditions of the applicable
Tariff. CUSTOMER agrees to pay all rates and charges that apply to the requested
changes.

      3. TERMINATION.

3.1. If after installation of Service CUSTOMER requests termination of its Main
Station Lines to a level that is less than sixty percent (60%) of the actual
initial number of Main Station Lines installed per common block ("Threshold") as
evidenced by USWC's records, CUSTOMER shall pay early termination charges based
on: total remaining monthly charges for Service terminated below the sixty
percent (60%) Threshold, multiplied by [*], plus the balance of all billed but
unpaid recurring and all outstanding non-recurring charges.

3.2. A termination charge will be waived when the CUSTOMER discontinues
Services) and ALL of the following conditions are met:

      (a) CUSTOMER signs a new service agreement for any other USWC provided
service(s). All applicable nonrecurring charges will be assessed for the new
service(s);

      (b) Both the current Service and the new service(s) are provided solely by
USWC;

      (c) The order to discontinue Service and the order to establish new
service(s) are received by USWC at the same time;

      (d) The new service(s) installation must be completed within thirty (30)
calendar days of the disconnection of Service, unless such installation delay is
caused by USWC;

      (e) The total value of the new service(s), excluding any special
construction charges, is equal to or greater than one hundred fifteen percent
(115%) of the remaining value of this Agreement;

      (f) A new Minimum Service Period, if applicable, will go into effect when
the new service(s) agreement term begins; and

      (g) CUSTOMER agrees to pay any previously billed, but unpaid recurring,
and any outstanding nonrecurring charges. These charges cannot be included as
part of the new service(s) agreement.

      4. CHARGES.

4.1. The initial number of Main Station Lines covered by this Agreement is three
(3) which shall be provided between USWC's Woodburn CO and CUSTOMER's
associated Service locations. CUSTOMER's total initial monthly recurring and
non-recurring charges for the rate stabilized Service

                                                                          PAGE 4
<PAGE>   5
elements are: Monthly Recurring [*] Non-Recurring [*]. USWC's service and
billing records shall document CUSTOMER's Service elements, locations, and
quantities initially installed or added during the term of this Agreement and
the associated Tariff monthly recurring stabilized rates. USWC's records are
incorporated into this Agreement by reference.

4.2. Each stabilized monthly recurring Main Station Line rate shown on
CUSTOMER's bill is the sum of the applicable USWC Tariff flat Main Station Line
rate and the current Federal Communications Commission ("FCC") End User Common
Line charge. If the FCC End User Common Line charge changes during the term of
this Agreement, USWC shall adjust the flat Main Station Line rate so that the
sum remains the same.

-----------------------
[*]  Information redacted pursuant to a confidential treatment request
     throughout this exhibit.

                                                                          PAGE 5
<PAGE>   6

                                                        Agreement Number AC00606

                                ATTACHMENT 1A TO
           U S WEST CENTREX PLUS SERVICE RATE STABILITY PLAN AGREEMENT

This Attachment 1A to the Agreement referenced above ("Underlying Agreement"),
lists the initial CUSTOMER business address location(s) that shall receive
Service from the USWC Central Office specified in the Underlying Agreement. All
terms and conditions of the Underlying Agreement apply to each location.

                                                              Initial Number of
                     Service Location(s)                      Main Station Lines
                     -------------------                      ------------------

1. 1890 Newberg Hy, Woodburn, OR                                       3
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.

                                                                          PAGE 6
<PAGE>   7

                                                       Agreement Number AC 01022
                                                     Billing Number 503-338-3889

           U S WEST CENTREX PLUS SERVICE RATE STABILITY PLAN AGREEMENT

This is an Agreement between Shared Communications Services, Inc. ("CUSTOMER"),
and U S WEST Communications, Inc. ("USWC"), for the provision of U S WEST
CENTREX PLUS Service.

1. SCOPE.

1.1. USWC shall provide and CUSTOMER shall purchase CENTREX PLUS Service
("Service"). Service is an intrastate, intraLATA, USWC central office-based
local exchange telecommunications service which includes: 1) transport of
CUSTOMER's business communications between the SNI at CUSTOMER's location(s)
covered by this Agreement and USWC's serving central office; 2) intraCUSTOMER
calling capability (intercommunication); 3) use of related Service features; and
4) Exchange/Network Access. Service is provided by means of Main Station Lines,
stored program controlled central office switching equipment, and either a per
Main Station Line (non-blocked) access to the general network or controlled
(blocked) access through the use of Network Access Registers, as determined by
CUSTOMER. THIS AGREEMENT PROVIDES RATE STABILITY FOR ALL SERVICE ELEMENTS EXCEPT
EXCHANGE/NETWORK ACCESS, COMMON ACCESS LINE CHARGES (CALC) OR END USER COMMON
LINE CHARGES (EUCL), AND INTER-OFFICE MILEAGE CHARGES.

1.2. USWC shall provide Service up to the ("SNI") at CUSTOMER's premises. The
SNI is that location where USWC's protected network facilities end and
CUSTOMER's inside wire or network begins. USWC provides Service in accordance
with the applicable Tariff, Price List, and/or Catalog ("Tariff") which governs
Service in the state Service is provided, incorporated herein by this reference.
Where any term or condition of this Agreement and/or Attachment conflicts with
the Tariff, the then current Tariff shall prevail.

1.3. CUSTOMER may elect to subscribe to additional services that are governed by
USWC's State and/or Federal Communications Commission ("FCC") Tariffs, Catalogs,
and/or Price Lists and are not priced or covered under this Agreement.

2. TERM.

2.1. The term of this Agreement will commence on the latest signature date in
the execution section, provided mandatory filing requirements are met. This
Agreement will expire sixty (60) months from either:

      a. The first installation date of Service as evidenced by USWC's records,
if Service is new; or

      b. the date of 6-1-99.

2.2. Should USWC continue to provide Service after this term without a further
agreement, the Service charges will convert to the applicable month-to-month
rate under the terms of the applicable Tariff, or, in its absence, this
Agreement.

3. CHARGES.

3.1. The initial number of Main Station Lines covered by this Agreement is three
(3) which shall be provided between USWC's Astoria Central Office and CUSTOMER's
associated Service locations. CUSTOMER's total initial monthly recurring and
non-recurring charges for the rate stabilized Service elements are: Monthly
Recurring [*] Non-Recurring [*]. USWC's service and billing records shall
document CUSTOMER's Service elements, locations, and quantities initially
installed or added during the term of this Agreement and the associated Tariff
monthly recurring stabilized rates. USWC's records are incorporated into this
Agreement by reference.

3.2. Each stabilized monthly recurring Main Station Line rate shown on
CUSTOMER's bill is the sum of the applicable USWC Tariff flat Main Station Line
rate and the current Federal Communications Commission ("FCC") End User Common
Line charge. If the FCC End User Common Line charge changes during the term of
this Agreement, USWC shall adjust the flat Main Station Line rate so that the
sum remains the same.

4. BILLING FOR SERVICE. CUSTOMER shall pay each bill in full by the payment due
date on each bill. Where permitted by law, late payment charges shall be
assessed according to Tariff, or law.

-----------------------
[*]  Information redacted pursuant to a confidential treatment request
     throughout this exhibit.
<PAGE>   8

5. MOVES, CHANGES. CUSTOMER may request changes to location, quantity, type, or
grade of Service and USWC shall grant such requests subject to the availability
of facilities and the terms and conditions of the applicable Tariff, Price List
and/or Catalog. CUSTOMER agrees to pay all rates and charges that apply to the
requested changes.

6. TERMINATION.

6.1. Either party may terminate this Agreement for cause provided written notice
specifying the cause for termination and requesting correction within thirty
(30) days is given the other party and such cause is not corrected within that
thirty (30) day period. Cause is any material breach of the terms of this
Agreement. If USWC terminates this Agreement for cause or if CUSTOMER terminates
this Agreement WITHOUT cause, CUSTOMER shall pay early termination charges. If
termination is prior to installation of Service and after execution of this
Agreement, early termination charges shall be those reasonable expenses incurred
by USWC through the date of termination. If after installation of Service
CUSTOMER requests termination of its Main Station Lines to a level that is less
than sixty percent (60%) of the actual initial number of Main Station Lines
installed per common block ("Threshold") as evidenced by USWC's records,
CUSTOMER shall pay early termination charges based on: total remaining monthly
charges for Service terminated below the sixty percent (60%) Threshold,
multiplied by [*], plus the balance of all billed but unpaid recurring and all
outstanding non-recurring charges.

6.2. A termination charge will be waived when the CUSTOMER discontinues
Service(s) and ALL of the following conditions are met:

a. CUSTOMER signs a service agreement for any other USWC provided new
service(s). All applicable nonrecurring charges will be assessed for the new
service(s);

b. Both the current Service and the new service(s) are provided solely by USWC;

c. The order to discontinue Service and the order to establish new service(s)
are received by USWC at the same time;

d. The new service(s) installation must be completed within thirty (30) calendar
days of the disconnection of Service, unless such installation delay is caused
by USWC;

e. The total value of the new service(s), excluding any special construction
charges, is equal to or greater than one hundred fifteen percent (115%) of the
remaining value of this Agreement;

f. A new Minimum Service Period, if applicable, will go into effect when the new
service(s) agreement term begins; and

g. CUSTOMER agrees to pay any previously billed, but unpaid recurring, and any
outstanding nonrecurring charges. These charges cannot be included as part of
the new service(s) agreement.

6.3. New service is defined as a newly installed service placed under a new
service agreement(s), or newly installed additions to an existing service
agreement(s), but does not include renewals of expiring service agreement(s),
renegotiations of existing service agreement(s) and conversions from
month-to-month service to contracted service.

7. INTERRUPTIONS TO SERVICE. Tariff specifies the credit allowance due CUSTOMER,
if any, for interruptions to Service which are not caused by CUSTOMER's
negligence.

8. PERSONAL INJURY; PROPERTY DAMAGE. Each party shall be responsible for any
actual physical damages it directly causes to the other in the course of its
performance under this Agreement, limited to damages resulting from personal
injuries, death, or property damage arising from negligent acts or omissions;
PROVIDED HOWEVER, THAT NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY
INCIDENTAL, CONSEQUENTIAL, INDIRECT, OR SPECIAL DAMAGES OF ANY KIND, INCLUDING
BUT NOT LIMITED TO ANY LOSS OF USE, LOSS OF BUSINESS, OR LOSS OF PROFIT.

9. LIMITATION OF LIABILITY. USWC SHALL NOT BE LIABLE TO CUSTOMER FOR ANY
INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES OF ANY KIND INCLUDING
BUT NOT LIMITED TO ANY LOSS OF USE, LOSS OF BUSINESS, OR LOSS OF PROFIT. EXCEPT
AS PROVIDED IN "PERSONAL INJURY; PROPERTY DAMAGE" SECTION, ANY USWC LIABILITY TO
CUSTOMER FOR ANY DAMAGES OF ANY KIND UNDER THIS AGREEMENT SHALL NOT EXCEED, IN
AMOUNT, A SUM EQUIVALENT TO THE [*]. REMEDIES UNDER THIS AGREEMENT ARE EXCLUSIVE
AND LIMITED TO THOSE EXPRESSLY DESCRIBED 1N THIS AGREEMENT.

10. NO WARRANTIES. THERE ARE NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.

-----------------------
[*]  Information redacted pursuant to a confidential treatment request
     throughout this exhibit.
<PAGE>   9

11. UNCONTROLLABLE CONDITIONS. Neither party shall be deemed in violation of
this Agreement if it is prevented from performing any of the obligations
hereunder by reason of severe weather and storms; earthquakes or other natural
occurrences; strikes or other labor unrest; power failures; nuclear or other
civil or military emergencies; acts of legislative, judicial, executive or
administrative authorities; or any other circumstances which are not within
its reasonable control.

12. DISPUTE RESOLUTION.

12.1. Other than those claims over which a regulatory agency has exclusive
jurisdiction, all claims, regardless of legal theory, whenever brought and
whether between the parties or between one of the parties to this Agreement and
the employees, agents or affiliated businesses of the other party, shall be
resolved by arbitration. A single arbitrator engaged in the practice of law and
knowledgeable about telecommunications law shall conduct the arbitration in
accordance with the then current rules of the American Arbitration Association
("AAA").

12.2. All expedited procedures prescribed by the AAA shall apply. The
arbitrator's decision shall be final and binding and judgment may be entered in
any court having jurisdiction thereof.

12.3. Other than the determination of those claims over which a regulatory
agency has exclusive jurisdiction, federal law (including the provisions of the
Federal Arbitration Act, 9 U.S.C. Sections 1-16) shall govern and control with
respect to any issue relating to the validity of this Agreement to arbitrate and
the arbitrability of the claims.

12.4. If any party files a judicial or administrative action asserting claims
subject to arbitration, and another party successfully stays such action and/or
compels arbitration of such claims, the party filing the action shall pay the
other party's costs and expenses incurred in seeking such stay or compelling
arbitration, including reasonable attorney's fees.

13. LAWFULNESS. This Agreement and the parties' actions under this Agreement
shall comply with all applicable federal, state, and local laws, rules,
regulations, court orders, and governmental agency orders. Any change in the
rates, charges or regulations authorized by the legally constituted authorities
will act as a modification of all contracts to that extent without further
notice. This Agreement shall be governed by the laws of the state where Service
is provided.

14. SEVERABILITY. In the event that a court, governmental agency, or regulatory
agency with proper jurisdiction determines that this Agreement or a provision of
this Agreement is unlawful, this Agreement, or that provision of this Agreement
to the extent it is unlawful, shall terminate. If a provision of this Agreement
is terminated but the parties can legally, commercially and practicably continue
without the terminated provision, the remainder of this Agreement shall continue
in effect.

<PAGE>   10
15.    GENERAL PROVISIONS

15.1   Failure or delay by either party to exercise any right, power, or
privilege hereunder shall not operate as a waiver hereto.

15.2   This is a retail end user contract. It may be assigned only with the
consent on USWC. It may not be assigned to a reseller or a telecommunications
carrier under any circumstances.

15.3   This Agreement benefits CUSTOMER and USWC. There are no third party
beneficiaries.

15.4   This Agreement constitutes the entire understanding between CUSTOMER
and USWC with respect to Service provided herein and supersedes any prior
agreements or understandings.

The parties hereby execute and authorize this Agreement as of the latest date
shown below:

CUSTOMER                                U S WEST COMMUNICATIONS, INC.

/s/ JEFF RAINES                         /s/ LYNN ARTHUR
--------------------------------        --------------------------------
Authorized Signature                    Authorized Signature

Jeff Raines/President                   Lynn Arthur - Senior Acct. Mgr.
--------------------------------        --------------------------------
Name/Title - Typed or Printed           Name/Title - Typed or Printed

4-14-99                                 6-2-99
--------------------------------        --------------------------------
Date                                    Date

                                        1600 7th Ave. Rm 1806
                                        Seattle, WA 98191
--------------------------------        --------------------------------
Address for Notices                     Address for Notices

<PAGE>   11
                                                       Agreement Number AC 01022

                                  ADDENDUM TO
          U S WEST CENTREX PLUS SERVICE RATE STABILITY PLAN AGREEMENT

This Addendum is executed by and between CUSTOMER, as named in the agreement
specified above ("Underlying Agreement"), and U S WEST Communications, Inc. to
list the CUSTOMER business address locations that shall receive Service from the
USWC Central Office specified in the Underlying Agreement. All terms and
conditions of the Underlying Agreement apply to each location.

<TABLE>
<CAPTION>
                                        Initial Number of
          Service Location(s)           Main Station Lines
          -------------------           ------------------
<S> <C>                                 <C>
 1. 653 W. Marine Dr. Astoria                   3
    ---------------------------------   ------------------
 2.
    ---------------------------------   ------------------
 3.
    ---------------------------------   ------------------
 4.
    ---------------------------------   ------------------
 5.
    ---------------------------------   ------------------
 6.
    ---------------------------------   ------------------
 7.
    ---------------------------------   ------------------
 8.
    ---------------------------------   ------------------
 9.
    ---------------------------------   ------------------
10.
    ---------------------------------   ------------------
11.
    ---------------------------------   ------------------
12.
    ---------------------------------   ------------------
13.
    ---------------------------------   ------------------
14.
    ---------------------------------   ------------------
15.
    ---------------------------------   ------------------
16.
    ---------------------------------   ------------------
17.
    ---------------------------------   ------------------
18.
    ---------------------------------   ------------------
19.
    ---------------------------------   ------------------
20.
    ---------------------------------   ------------------
</TABLE>

The parties hereby execute and authorize this Addendum as of the latest date
shown below:

CUSTOMER                                US WEST COMMUNICATIONS, INC.

/s/ JEFF RAINES                         /s/ LYNN ARTHUR
--------------------------------        --------------------------------
Authorized Signature                    Authorized Signature

Jeff Raines/President                   Lynn Arthur - Sr. Acct. Mgr.
--------------------------------        --------------------------------
Name/Title - Typed or Printed           Name/Title - Typed or Printed

4-14-99                                 6-2-99
--------------------------------        --------------------------------
Date                                    Date

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