Document:

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                                                                   Exhibit 10.18

                              SUBLEASE AGREEMENT
                              ------------------

     THIS SUBLEASE AGREEMENT (the "Sublease") is made as of November 23/rd/,
 1999 (the "Sublease Date") by and between ANTEC CORPORATION, a Delaware
 corporation ("Tenant") and nFRONT, INC., a Georgia corporation ("Subtenant")
 (the words "Tenant" and "Subtenant" to include their respective legal
 representatives, successors and permitted assigns where the context requires or
 permits).

                                    RECITALS

     A.  New York Life Insurance Company ("Prior Landlord") and Tenant entered
into that certain Lease Agreement dated August 11, 1994 for approximately 58,672
square feet of space at 5720 Peachtree Parkway, Norcross, Gwinnett County,
Georgia (the "Demised Premises"), as amended by First Amendment to Lease dated
December 12, 1994 between Prior Landlord and Tenant (the Lease, as amended by
herein referred to as the "Lease").

     B.  Prior Landlord has conveyed its interest in the Demised Premises and
the Lease to WKK Atlanta Investments, L.P. ("Landlord").

     C.  Tenant desires to sublease the Demised Premises to Subtenant.

     D.  Tenant and Subtenant desire to set forth their agreement upon the
following terms and conditions.

                                   AGREEMENT

     NOW, THEREFORE, in consideration of the premises, Ten and No/100 Dollars
($10.00) in hand paid by each party to the other, the mutual covenants contained
herein, and other good and valuable consideration, the receipt and sufficiency
of which are hereby acknowledged, the parties hereto agree to the following (all
capitalized terms not defined in this Sublease shall have the meaning given to
such terms in the Lease):

     1.  Term. Tenant does hereby lease and demise unto Subtenant, and Subtenant
         ----
does hereby hire, lease and accept from Tenant the Demised Premises for a term
(the "Term") commencing on the Sublease Date ("Sublease Commencement Date") and
continuing until July 5, 2005 ("Expiration Date"). For purposes of this Sublease
Agreement, the Demised Premises shall include all existing fixtures, equipment
and improvements in the Demised Premises, including without limitation the
security system, the CAT 5 voice and data cabling now located and existing in
the Demised Premises.

     2.  Rent. Subtenant shall pay to Tenant base rent for the Demised Premises
         ----
in the following amounts on a monthly basis (the "Sublease Base Rent"):
<PAGE>

         Sublease Date - Rent Start Date:         $ - 0 -
         Rent Start Date - October 31, 2000:      $67,228.33
         November 1, 2000 - October 31, 2001:     $68,572.90
         November 1, 2001 - October 31, 2002:     $69,944.36
         November 1, 2002 - October 31, 2003:     $71,343.24
         November 1, 2003 - October 31, 2004:     $72,770.11
         November 1, 2004 - July 5, 2005:         $74,225.53

Each payment shall be made on the first day of each month during the Term,
beginning on the Rent Start Date, payable in advance, without demand and without
abatement, reduction, set-off or deduction, with appropriate prorations for
partial months. The "Rent Start Date" shall be the later of December 1, 1999, or
the thirtieth (30th) day following Landlord's consent to this Sublease. If such
consent is obtained after November 1, 1999, then for each day thereafter until
the consent is obtained the above schedule shall be delayed by the number of
days that occur until the consent is obtained. For purposes of this Section,
"Landlord's consent" shall be deemed to mean the date of Landlord's execution
and delivery to Subtenant of the "Consent to Sublease" in the form of Exhibit C
                                                                      ---------
attached hereto and made a part hereof.

In addition to Sublease Base Rent, Subtenant agrees to pay to Tenant Sublease
Maintenance Rent (as defined below) beginning on January 1, 2001 and continuing
thereafter until the Expiration Date. "Sublease Maintenance Rent" shall be the
excess of the Operating Expenses for each calendar year ("Year") over the
greater of (a) Operating Expenses for Year 2000, or (b) $293,360.00. Sublease
Maintenance Rent for a given Year shall be paid by Subtenant to Tenant on a
equal monthly basis, along with and at the same place and manner as provided
herein for Sublease Base Rent. Subject to Section 5 of the Special Stipulations
attached hereto as Exhibit B, the Sublease Maintenance Rent shall be calculated
                   ---------
as follows: Sublease Maintenance Rent for each Year beginning on January 1, 2001
shall be paid based on the difference between Landlord's Projection of Operating
Expenses for that Year and the greater of (a) Actual Operating Expenses for Year
2000 as determined by the Lease, or (b) $293,360.00 (Tenant hereby agreeing to
deliver such notice of Landlord's Projection of Operating Expenses and the
Actual Operating Expenses to Subtenant promptly after its receipt of such
notice). For Year 2001 only, Subtenant's payments of Sublease Maintenance Rent
shall be based on the Landlord's Projection of Operating Expenses for Years 2000
and 2001 until the Actual Operating Expenses for Year 2000 are available and
delivered to Tenant and Subtenant pursuant to the Lease, and the remaining
installments of Sublease Maintenance Rent due for Year 2001 shall be adjusted to
account for any overpayments or underpayments by Subtenant for such Year. As
Tenant is notified by Landlord of the Actual Operating Expenses for a Year,
Tenant shall forward such information to Subtenant. Within thirty (30) days
after receipt of such statement, subject to Section 5 of the Special
Stipulations attached hereto as Exhibit B, Subtenant shall pay to Tenant any
deficiency between the Actual Operating Expenses for that Year and the amount of
Sublease Maintenance Rent paid by Subtenant, or in the event of overpayment,
Tenant shall credit the amount of such overpayment toward the next installment
of Sublease Maintenance Rent owed by Tenant or remit such overpayment to
Subtenant if the Term has expired or has been terminated and no default exists
hereunder. The obligations in the immediately preceding sentence shall survive
the expiration or any earlier termination of this Sublease. If Subtenant shall
elect to exercise the right to audit the Landlord's books and records relating
to Operating Costs as allowed in the Lease, and only to the extent such right
exists, Tenant shall cooperate with Subtenant to enforce such rights provided
Subtenant shall pay all costs and expenses therefore. If as a result of such
audit or otherwise it is determined that Landlord has collected or charged
Tenant or Subtenant more than Landlord is entitled to collect, Tenant shall
refund such

                                       2
<PAGE>

overpayments to Subtenant only when, to the same extent, and on the same basis
as Tenant receives a refund of such overpayments from Landlord.

All payment of Sublease Base Rent and Sublease Maintenance Rent shall be paid to
ANTEC Corporation, 11450 Technology Circle, Duluth, Georgia 30097, Attention:
Mr. Deon Sanders. By written notice, Landlord may direct Subtenant to deliver
rent checks to a different address.

In addition to Sublease Base Rent and Sublease Maintenance Rent, Subtenant
agrees to pay to Tenant all Additional Rent (as that term is defined in Section
1(g) of the Lease) and otherwise perform all tasks required of Tenant under
Section 1(g) of the Lease upon notice from Tenant. Tenant represents to
Subtenant that Tenant does not own any personal property that is located on the
Demised Premises.

     3.   Landlord Obligations. With respect to payments, consents, work,
          --------------------
services or the performance of any and all other obligations required of
Landlord under the Lease, Tenant's sole obligation to Subtenant with respect
thereto shall be to request the same, upon request in writing by Subtenant, and
to use reasonable efforts to obtain the payment, consent or other performance by
Landlord; provided, however, the foregoing shall not require Tenant to institute
          -----------------
any legal action to obtain such performance unless Subtenant shall indemnify and
hold harmless Tenant against all costs, including reasonable attorneys' fees of
such enforcement. Subtenant shall have the right to request the same directly
from Landlord, and to conduct such proceedings as may be required to obtain from
Landlord any such work and services or the performance of such obligations.
Tenant agrees to cooperate with Subtenant in connection therewith and to execute
such documents as may be reasonably required in connection therewith.

     4.   Consent. In all cases where consent of Landlord is required under the
          -------
Lease, Subtenant shall be required to obtain the consent of Tenant (which
consent Tenant agrees shall not be unreasonably withheld) and Landlord. It shall
be a condition to the obligations of Tenant and Subtenant hereunder that
Landlord and, to the extent required, Landlord's mortgagee consent to this
Sublease in the form attached hereto as Exhibit C and made a part hereof on or
                                        ---------
before December 1, 1999. If such consent has not be obtained on or before such
date, then thereafter either party may terminate this Sublease Agreement by
written notice to the other party, in which event the parties shall be released
and relieved of all further rights, liabilities and obligations to each other
hereunder.

     5.   Relationship to Lease.
          ---------------------

          (a) This Sublease and all of Subtenant's rights hereunder are
expressly subject and subordinate to all of the terms of the Lease, a copy of
which is attached hereto and incorporated herein as Exhibit A. Subtenant hereby
                                                    ---------
agrees to assume all obligations of and restrictions imposed on Tenant under the
Lease with respect to the Demised Premises, except for Tenant's obligations to
pay Base Rent and Maintenance Rent to Landlord under the Lease. Subtenant shall
and hereby does indemnify Tenant and hold Tenant harmless from and against any
and all expense, loss, and liability suffered by Tenant (except to the extent
that such expenses, losses, and liabilities arise out of Tenant's own negligence
or willful act), by reason of Subtenant's breach of any of the provisions of
this Section 5. Subtenant hereby acknowledges that Subtenant shall look solely
to Landlord for the performance of all the Landlord's obligations under the
Lease and that Tenant shall not be obligated to provide any services to
Subtenant or otherwise perform any obligations in connection with this Sublease,
except to the extent enforcement of such rights requires the reasonable
assistance and/or cooperation of Tenant.

                                       3
<PAGE>

Subtenant acknowledges that any termination of the Lease will result in a
termination of the Sublease.

          (b) Provided Subtenant is not in default hereunder, Tenant shall pay
the Base Rent, Maintenance Rent due to Landlord under the Lease so as not to
cause a default under the Lease. Tenant shall indemnify and hold harmless
Subtenant against all damage, liability, losses, costs and expenses resulting
to, or that are incurred by Subtenant relating to Tenant's failure to pay any of
the Base Rent or Maintenance Rent due the Landlord under the Lease. If Tenant
shall be in material default of a monetary nature or fail to pay Base Rent or
Maintenance Rent due to Landlord under the Lease, Subtenant shall have the right
to offset against its obligations hereunder and pay such Base Rent or
Maintenance Rent directly to Landlord as long as Landlord agrees to accept such
payments from Subtenant, provided in all such events Tenant shall remain
obligated to pay to Subtenant the difference between the Base Rent or
Maintenance Rent due to Landlord under the Lease and the Base Rent or
Maintenance Rent due to Tenant under this Sublease.

     6.   Use. Subtenant shall use the Demised Premises as general office
          ---
purposes and for no other purpose. Tenant makes no (and does hereby expressly
disclaim any) covenant, representation or warranty as to the use being allowed
by or being in compliance with any applicable laws, rules, ordinances or
restrictive covenants now or hereafter affecting the Demised Premises.
Notwithstanding the foregoing, Tenant represents that during its occupancy of
the Demised Premises and to the best of its knowledge, Tenant received no
written notice of any violation of zoning in respect to the use of the Demised
Premises by Tenant.

     7.   Default. Any act or omission by Subtenant that would constitute a
          -------
default under the Lease shall, subject to the same notice and cure provisions
provided in the Lease, if any, be deemed a default by Subtenant under this
Sublease (except for payment of Base Rent and Maintenance Rent to Landlord under
the Lease, which is the obligation of Tenant). In addition, any failure by
Subtenant to pay Sublease Base Rent or Sublease Maintenance Rent when due, any
failure by Subtenant to pay Additional Rent under the Lease, or any failure by
Subtenant to perform any other obligations required under this Sublease, shall
be deemed a default hereunder, provided that Subtenant shall be entitled to
receive the same notices and have the same cure rights that Tenant has under the
Lease. Any such default by Subtenant shall entitle Tenant to exercise any and
all remedies available to Landlord under the Lease or any other remedies
available at law or in equity under the laws of the State of Georgia.

     8.   Assignment of Tenant's Right against Subtenant. Tenant and Subtenant
          ----------------------------------------------
hereby agree that, if Subtenant shall be in default of any obligation of
Subtenant under the Sublease, which default also constitutes a default by Tenant
under the Lease, then Landlord shall be permitted to avail itself of all the
rights and remedies available to Tenant in connection therewith.

     9.   Quiet Enjoyment. Provided Subtenant has performed its obligations
          ---------------
hereunder, Subtenant shall have the quiet enjoyment of the Demised Premises
during the Term without interference by Tenant or anyone claiming by, through or
under Tenant.

     10.  Insurance and Indemnities. Subtenant hereby agrees to indemnify and
          -------------------------
hold Landlord and Tenant harmless, with regard to Subtenant's leasing and use of
the Demised Premises, to the same extent that Tenant is required to indemnify
and hold Landlord harmless with respect to the Demised Premises under the Lease.
Likewise, Subtenant hereby agrees to

                                       4
<PAGE>

obtain and provide evidence satisfactory to Tenant that Subtenant is carrying
insurance in the same amounts and of the same types required to be carried by
Tenant under the Lease with regard to the Demised Premises, and Subtenant shall
name Tenant as additional insured on all such policies of insurance. Tenant
hereby agrees to indemnify and hold Subtenant harmless from costs, losses, and
damages, resulting from claims Landlord asserts under the Lease that are related
solely to periods prior to the Sublease Date.

     11.  Subleasing and Assignment. Except to the extent allowed by the Lease,
          -------------------------
Subtenant shall have no right to sublease or assign its rights under this
Sublease or its rights with regard to the Demised Premises without the prior
written consent of Tenant and Landlord, which consent may be withheld in
Tenant's or Landlord's sole discretion (Tenant's approval shall not be
unreasonably withheld, delayed, or denied; Landlord's approval shall be as
required by the Lease).

     12.  Condition of Demised Premises. Upon the expiration or earlier
          -----------------------------
termination of this Sublease, Subtenant shall return the Demised Premises to
Tenant in the condition required by the Lease.

     13.  Miscellaneous. This Sublease shall be governed by the laws of the
          -------------
State of Georgia. Time shall be of the essence with regard to the obligations
under this Sublease. This Sublease supersedes all prior discussions and
agreements between the parties and incorporates their entire Agreement. Any
capitalized term used in this Sublease which is not defined herein shall have
the same meaning attributable to that term in the Lease. Nothing contained in
this Sublease shall serve to release Tenant from the further performance by
Tenant of Tenant's obligations under the Lease or to relieve Tenant from any of
its liability under the Lease. This Sublease is further subject to the Special
Stipulations contained on Exhibit B, attached hereto and made a part hereof.
                          ---------

     14.  Tenant Warranties Regarding the Lease. Tenant hereby warrants and
          -------------------------------------
represents that (a) the Lease is in full force and effect, has not been modified
or amended except as provided herein, (b) to the best of its knowledge, Tenant
is not in default thereunder; (c) subject only to obtaining the consent of
Landlord, Tenant is authorized and has the power to enter into this Sublease and
to lease the Subleased Premises to Tenant pursuant to the Terms hereof and (d)
the Expiration of the Term of the Lease does not occur earlier than July 5,
2005. During the Sublease Term, Tenant agrees not to modify the terms of the
Lease without Subtenant's consent, which shall not be unreasonably withheld or
delayed.

     15.  Notices. Notices to be given under this Sublease shall be given in the
          -------
same manner and pursuant to the same terms as contained in the Lease. Promptly
upon its receipt of any notice given under the Lease, Tenant shall provide such
notices to Subtenant. Notices shall be given to:

          If to Tenant:

          ANTEC Corporation
          11450 Technology Circle
          Duluth, Georgia 30097
          Attn:  Mr. Paul Barilla

                                       5
<PAGE>

          With a copy to:

          ANTEC Corporation
          11450 Technology Circle
          Duluth, Georgia 30097
          Attn:  Mr. Mark Scagliuso

          If to Subtenant until the Rent Start Date:

          nFront, Inc.
          520 Guthridge Court, NW
          Suite 100
          Norcross, Georgia 30092
          Attn: Chief Financial Officer

          If to Subtenant after the date Subtenant commences operations in the
          Demised Premises (based on written notice to Tenant):

          nFront, Inc.
          5720 Peachtree Parkway
          Norcross, Georgia 30092
          Attn:  Chief Financial Officer

     16.  Subordination, Non-Disturbance and Attornment. Tenant agrees to
          ---------------------------------------------
cooperate and assist Subtenant in its efforts to obtain a Subordination, Non-
Disturbance and Attornment Agreement from Landlord and Landlord's lender
consistent with and pursuant to the terms of the Lease.

                           [SIGNATURES ON NEXT PAGE)

                                       6
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have hereunto set their hands under
seals, the day and year first above written.

                                 TENANT:
                                 ------

                                 ANTEC CORPORATION, a Delaware
                                 corporation

                               By: /s/ Mark S. Scagliuso
                                  -----------------------------------
                                   Name: Mark S. Scagliuso
                                   Title: C.A.O.

                               Attest: /S/ Paul Bonilla
                                      ----------------------------------
                                       Name: Paul Bonilla
                                       Attest:

                                               [CORPORATE SEAL]

                               SUBTENANT:

                               nFRONT, INC., a Georgia corporation

                               By: /s/ Jeff Hodges
                                  --------------------------------------
                                   Name: Jeff Hodges
                                   Title: CFO

                               Attest: /s/ Craig L. Benn
                                      ----------------------------------
                                       Name:  Craig L. Benn
                                       Attest: Vice President Controller

                                                [CORPORATE SEAL]

                                       7
<PAGE>

                               LIST OF EXHIBITS
                               ----------------

                    Exhibit A          Underlying Lease

                    Exhibit B          Special Stipulations

                    Exhibit C          Consent to Sublease
<PAGE>

                          FIRST AMENDMENT TO SUBLEASE

     THIS FIRST AMENDMENT is entered into as of the 1/st/ day of February 2000,
     by and between Antec Corporation, a Delaware Corporation (Tenant) and
     nFront, Inc., a Georgia Corporation (Subtenant).

     A.  New York Life Insurance Company ("Prior Landlord") and Tenant entered
into that certain Lease Agreement dated August 11, 1994 for approximately 58762
square feet of space of 5720 Peachtree Parkway, Norcross, Gwinnett county,
Georgia (the "Demised Premises") as amended by First Amendment to Lease dated
December 12, 1994 between Prior Landlord and Tenant.

     B.  Prior Landlord has conveyed its interest in the Demised Premises and
the Lease To WKK Atlanta Investments, L.P. ("Landlord").

     C.  Tenant and Subtenant entered into a sublease agreement dated November
23, 1999 for the Demised Premises (the "Sublease").

     D.  LandLord's consent to the Sublease was received on November 23, 1999.

     NOW THEREFORE in consideration of the mutual promises and for other good
and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the Tenant and Subtenant agree as follows:

     1.  The Sublease is hereby amended by deleting Special Stipulation 3 on
Exhibit B to the sublease in its entirety and the following is substituted
therefore:

         "3. Parking. Within one hundred and twenty days (120) after the
             -------
     Sublease Date (as extended for such additional time as is equal to the time
     lost by Tenant or Tenant's contractors or suppliers in connection with the
     construction of the parking area due to floods or weather conditions
     actually and materially delaying such construction). Tenant shall make
     available to Subtenant employees, customers, and visitors at no cost to
     Subtenant, a minimum of 243 automobile parking spaces (on an unassigned
     basis) in the parking areas of the Demised Premises as shown on Attachment
     1, attached hereto and made a part hereof.

     2.  Attachment 1 has been modified to reflect the relocation of parking
lot light poles and the increase in number of such light poles from 5 to 6, as
requested by a n-Front, inc. n-Front agrees to reimburse Antec Corporation for
the cost of this incremental work not to exceed $12,000.00

     3.  Except as amended hereby, the Sublease shall be and remain in full
force and effect and unchanged. The Sublease is hereby ratified and confirmed by
Tenant and Subtenant To the extent the terms hereof are inconsistent with the
terms of the Sublease, the terms hereof shall control.

Antec Corporation                            n-Front, Inc.

By:      /s/ A. Rois-Mendez                  By:   /s/ Jeffrey W. Hodges
      ------------------------                     ------------------------
           A. Rois-Mendez                             Jeffrey W. Hodges
      ------------------------                     ------------------------
Title: Senior Counsel and                    Title: CFC
      ------------------------                     ------------------------
       Assistant Secretary
      ------------------------
<PAGE>

     (h)  All sums payable pursuant to the provisions of this Section 1 by
Tenant, or which are at the expense of Tenant, are deemed and considered to be
Rent hereunder, and, if not paid, Landlord shall have all rights and remedies
provided in this Lease, at law or in equity for the non-payment of Rent. All
Rent payable pursuant to the terms of this Section 1 by Tenant to Landlord shall
be paid promptly as and when the same shall become due and payable, without
notice, demand, abatement, deduction or set-off, and shall be paid to such
person or persons and at such locations or addresses as Landlord may from time
to time designate in writing.

     (i)  Although the cost of janitorial services to the Premises and to the
Building shall initially be included within the Maintenance Rent, Tenant shall
have the right to reduce the degree or quantity of services provided by the
Building's janitorial service or to substitute and pay directly another
janitorial service reasonably approved in advance in writing by Landlord, in
either of which events the Maintenance Rent (including the base amount thereof
and the Operating Expenses attributable to the Premises) shall be adjusted to
give Tenant an equitable credit (in an amount based upon but not to exceed the
per square foot cost of janitorial services then being paid by Landlord for
janitorial services within the Building) by virtue of the fact that Tenant makes
such a reduced or direct payment of a portion thereof for all or some of the
janitorial services which would otherwise be included in its Maintenance Rent
and Operating Expenses.

     2.   SERVICES; WORK

          As long as Tenant is not in default following receipt of notice (if
required under this Lease) and the expiration of the cure period, if any, under
any of the covenants or provisions of this Lease, Landlord shall provide the
following servicesASSET PURCHASE AND SALE AGREEMENT

     THIS ASSET PURCHASE AND SALE AGREEMENT (hereinafter referred to as the
"Agreement") is made and entered into effective as of the 21st day of
September, 1999, by and between Mariah Communications, Inc., a Colorado
corporation (hereinafter referred to as the "Seller"), 1869 West Littleton
Boulevard, Littleton, Colorado 80120, and Last Mile Communications
Corporation, a Colorado corporation (hereinafter referred to as the
"Purchaser"), 2821 South Parker Road, Suite #1305, Aurora, Colorado 80014.

                                  RECITALS:

     A.     WHEREAS, Mr. Steven J. Santamaria has resigned as the Chairman of
the Board of Directors of the Seller and organized the Purchaser to conduct
business in the area of telecommunications, including, but not limited to, the
development, improvement and enhancement of telecommunications technology and
the marketing and sale of telecommunications systems, products, equipment,
services and/or applications.

     B.     WHEREAS, the Seller has loaned the Purchaser the sum of $220,000
in order to assist it in the conduct of its proposed telecommunications
business as described in paragraph A hereinabove, as evidenced by that certain
Convertible Promissory Note due March 31, 2000, in the principal amount of
$220,000, bearing interest at the rate of 10% per annum, payable by the
Purchaser, as the maker thereof, to the Seller, as the holder thereof, and
convertible on or prior to March 31, 2000, into shares of common stock, no par
value per share, of the Purchaser at the conversion price of approximately
$.55 per share.

     C.     WHEREAS, the Seller, which is undergoing a change in the direction
of its business within the telecommunications industry as a result of which it
has no need for certain of its assets described in item 1. on Exhibit A
attached hereto and incorporated herein by this reference, desires to sell,
assign, transfer, convey and deliver said assets to the Purchaser, and the
Purchaser desires to purchase, acquire and receive said assets from the
Seller, in exchange therefor of the consideration provided by the Purchaser,
as described in Article III hereof, on the terms and subject to the conditions
hereinafter set forth.

     NOW, THEREFORE, in consideration of the foregoing premises, the mutual
promises, covenants, agreements, representations and warranties set forth
hereinafter, and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto agree as
follows:

                                   ARTICLE I
                          PURCHASE AND SALE OF ASSETS

     Subject to the terms and conditions set forth in this Agreement, the
Seller hereby agrees to sell, assign, transfer, convey and deliver to the
Purchaser, and the Purchaser hereby agrees to purchase, acquire and receive
from the Seller, on the Closing Date, as defined in Article XI hereof, good,
marketable and indefeasible title to certain assets of the Seller listed in
item 1. on Exhibit A (collectively, the "Assets") having a total value of
approximately $61,897.16, free and clear of all security interests, liens,
pledges, restrictions, charges and encumbrances whatsoever, except as provided
in Article II.  These Assets shall be sold, assigned, transferred conveyed and

delivered to the Purchaser on the Closing Date.  Other than as listed on
Exhibit A, all other properties and assets of the Seller shall be retained by
the Seller and shall not be sold, assigned or transferred to the Purchaser.
Such properties and assets shall be held by the Seller and be available for
distribution to the Seller's shareholders, and may be used by the Seller to
satisfy its obligations and liabilities to the extent thereof.

                                   ARTICLE II
                           RELATIONSHIP OF THE PARTIES

     Notwithstanding anything to the contrary contained in this Agreement, it
is understood and agreed that the Seller and/or its affiliates are or may in
the future be, directly or indirectly, engaged in certain business(es) or
activities in the telecommunications area and/or otherwise, including, but not
limited to, the development, improvement and enhancement of telecommunications
technology and the marketing and sale of telecommunications systems, products,
equipment, services and/or applications, and no portion of such other related
and unrelated business(es), or their respective assets, are being sold or
transferred to the Purchaser pursuant to this Agreement.  This Agreement shall
be ineffective as to such other related and unrelated business(es) and shall
not apply in any way to the operations, properties or assets of the Seller or
any affiliate of the Seller as they relate to such related and unrelated
business(es).  Further, the Purchaser is only purchasing the Assets for
purposes of conducting the Purchaser's ongoing business activities and is not
continuing or assuming the business of the Seller or assuming any liability or
liabilities of the Seller arising from or in connection with the Seller's
business, except as provided in Article III, nor commencing a merger or other
consolidation with the Seller.  This Agreement is one of purchase and sale of
the Assets only, and does not and shall not be deemed to create a partnership,
joint venture or other agency relationship between the parties, or result in a
merger, de facto merger or any other type of combination of the Seller with or
into the Purchaser.

                                  ARTICLE III
                                 CONSIDERATION

     In consideration for the sale, assignment, transfer, conveyance and
delivery of the Assets listed on Exhibit A, the Purchaser hereby agrees to
assume liability, as of the Closing Date, for the payment of, and pay and
discharge on a timely basis subsequent to the Closing Date, certain of the
Seller's debts, liabilities and obligations totaling approximately $66,758
(individually, a "Liability" and, collectively, the "Liabilities"), as
described in item 2. on Exhibit A.  The Seller and the Purchaser agree that
this Agreement is indivisible and may not be fractionalized even though
separate considerations may be stated for the Assets.  The Purchaser hereby
agrees to indemnify and hold the Seller harmless from and against the
Liabilities of the Seller totaling approximately $66,758 assumed by the
Purchaser in accordance with the provisions of this Article III.  The
Purchaser shall deliver to the Seller at the Closing that certain document
captioned Assumption of Obligations and Indemnity Agreement dated as of the
Closing Date providing for the assumption, payment and discharge of the
Liabilities by the Purchaser and the indemnification of the Seller for the
same.

                                   ARTICLE IV
                              TAXES AND ASSESSMENTS

     The Seller shall be responsible for and pay all taxes and assessments in
connection with the Assets for the period prior to the Closing Date.  The
Purchaser shall be responsible for and pay all taxes and assessments in
connection with the Assets for the period on and after the Closing Date.

                                    ARTICLE V
          NO ASSUMPTION OF LIABILITIES EXCEPT PURSUANT TO ARTICLE III

     The Purchaser shall assume no debts, liabilities or obligations of the
Seller arising with respect to periods prior or subsequent to the Closing
Date, except as provided in Article III hereof.  Anything herein to the
contrary notwithstanding, the Seller hereby agrees to retain and discharge,
and to indemnify and hold the Purchaser harmless from and against, any and all
debts, liabilities and obligations of the Seller, except for those Liabilities
liability for the payment of which is expressly assumed by the Purchaser
pursuant to the provisions of Article III hereof, whenever arising.

                                   ARTICLE VI
                          THE SELLER'S REPRESENTATIONS

     The Seller hereby represents, warrants, covenants and agrees that:

     A.     The Seller is a corporation duly organized, validly existing and
in good standing under the laws of the State of Colorado and is duly qualified
to transact business as a corporation in the State of Colorado.  The Seller
has all requisite corporate power and authority to own and operate its
properties and to carry on its business as now and where being conducted.  The
Seller is qualified to transact business as a foreign entity in all states in
which the nature of its business or the character or ownership of its
properties make such licensing, registration or qualification necessary.

     B.     The execution and delivery of this Agreement by the Seller have
been duly and validly authorized and approved by all necessary action of the
Seller.  The Seller has full corporate power and authority and the legal right
to enter into this Agreement and to consummate the transactions contemplated
herein.  This Agreement is a valid and binding obligation of the Seller,
enforceable against the Seller in accordance with its terms.

     C.     On the Closing Date, the Seller shall have full legal power, right
and authority to sell and convey to the Purchaser legal and beneficial title
to the Assets and the Seller's sale to the Purchaser shall transfer good,
marketable and indefeasible title thereto, free and clear of all security
interests, liens, pledges, charges and encumbrances except: (i) as described
on Exhibit B attached hereto and incorporated herein by this reference; (ii)
for liens for taxes and other governmental charges not yet due and payable;
and (iii) security interests, liens, pledges, charges and encumbrances
resulting from or relating to any Liability expressly assumed by the Purchaser
in accordance with the provisions of Article III hereof.

     D.     The Seller has all licenses, permits, operating authorizations and
other agreements and approvals from governmental authorities necessary to own
and operate the Seller's business lawfully and in the manner in which it is
now operated by the Seller.  The Seller has not received notice of any
violation of or default under, and is in substantial compliance in all
material respects with, each such license, permit, operating authorization or
approval from governmental authorities.

     E.     The Seller's business has been operated in substantial compliance
with all applicable local, state and Federal laws.

     F.     The execution, delivery and performance of this Agreement by the
Seller will not violate any provisions of law and will not, with or without
the giving of notice or the passage of time, conflict with or result in any
breach of any of the terms or conditions of, or constitute a default under,
any mortgage, agreement or other instrument to which the Seller is a party or

by which the Seller or the Assets are bound.  The execution, delivery and
performance of this Agreement will not result in the creation of any security
interest, lien, pledge, charge or encumbrance upon the Assets or the Seller.

     G.     There is no outstanding judgment against the Seller and there is
no litigation, arbitration, proceeding or investigation pending, or, to the
Seller's knowledge, threatened against the Seller relating to or affecting the
Assets, the Seller's business operations or affairs, the Seller or the
transactions contemplated by this Agreement, or which questions the validity
of any action taken or to be taken pursuant to or in connection with the
provisions of this Agreement.  The Seller warrants and represents that there
is no litigation matter or arbitration claim or demand for money damages which
exists or may exist as of the Closing Date.  There are no proceedings pending
to which the Seller is a party or, to the Seller's knowledge, are threatened,
nor any demands by any governmental agency or other party, to terminate,
modify or materially and adversely change the terms and conditions of the
Seller's rights with respect to the Assets.

     H.     The Seller is not a party to any employment agreement, collective
bargaining agreement, pension, profit sharing, retirement, deferred
compensation or bonus or stock purchase plan relating to the Seller's
employees for which the Purchaser shall have any obligation or liability.
There are no disputes or controversies pending or, to the Seller's knowledge,
threatened with or by any employees of the Seller which would materially and
adversely affect any of the Assets.  The Seller does not have in effect, or
have any obligation to establish or contribute to, any plan, fund or program
covered by the Employee Retirement Income Security Act of 1974, as amended
("ERISA"), for which the Purchaser shall have any obligation or liability.

     I.     The Seller has paid all taxes, assessments, governmental charges
and penalties due and payable by it, and there are no suits, actions, claims,
investigations, inquiries or proceedings pending or, to the Seller's
knowledge, threatened against the Seller in respect of any taxes, assessments,
governmental charges or penalties.

     J.     The Seller has good and marketable title to all of its properties
and assets, real and personal, except as since sold or otherwise disposed of
in the ordinary course of business, and the Seller's properties and assets are
subject to no mortgage, pledge, lien or encumbrance with respect to which a
default exists as of the date hereof and as of the Closing.  The Seller will
have continuing business after this transaction, and shall make adequate
provision for payment of any liabilities of the Seller arising prior to or
after the Closing Date.

     K.     No representation or warranty by the Seller, or any statement or
certificate furnished by the Seller to the Purchaser pursuant hereto or in
connection with the transactions contemplated hereby, contains or will contain
any untrue statement of a material fact or omits or will omit to state a
material fact necessary to make the statements contained therein not
misleading.

     The Seller acknowledges that the Purchaser is relying upon the above
representations, warranties and agreements in entering into this Agreement and
proceeding to Closing.

                                 ARTICLE VII
                       THE PURCHASER'S REPRESENTATIONS

     The Purchaser hereby represents, warrants, covenants and agrees that:

     A.     The Purchaser is a corporation duly organized, validly existing
and in good standing under the laws of the State of Colorado and is duly
qualified to transact business as a corporation in the State of Colorado.  The
Purchaser has all requisite corporate power and authority to own and operate
its properties and to carry on its business as now and where being conducted.
The Purchaser is qualified to transact business as a foreign entity in all
states in which the nature of its business or the character or ownership of
its properties make such licensing, registration or qualification necessary.

     B.     The execution and delivery of this Agreement by the Purchaser have
been duly and validly authorized and approved by all necessary action of the
Purchaser.  The Purchaser has full corporate power and authority and the legal
right to enter into this Agreement and to consummate the transactions
contemplated hereby.  This Agreement is a valid and binding obligation of the
Purchaser, enforceable against the Purchaser in accordance with its terms.

     C.     The Purchaser has all licenses, permits, operating authorizations
and other agreements and approvals from governmental authorities necessary to
own and operate the Purchaser's business lawfully and in the manner in which
it is now operated by the Purchaser.  The Purchaser has not received notice of
any violation of or default under, and is in substantial compliance in all
material respects with, each such license, permit, operating authorization or
approval from governmental authorities.

     D.     The Purchaser's business has been operated in substantial
compliance with all applicable local, state and Federal laws.

     E.     The execution, delivery and performance of this Agreement by the
Purchaser will not violate any provisions of law and will not, with or without
the giving of notice or the passage of time, conflict with or result in any
breach of any of the terms or conditions of, or constitute a default under,
any mortgage, agreement or other instrument to which the Purchaser is a party
or by which the Purchaser is bound.

     F.     There is no outstanding judgment against the Purchaser and there
is no litigation, arbitration, proceeding or investigation pending, or, to the
Purchaser's knowledge, threatened against the Purchaser or relating to or
affecting the Purchaser's business operations or affairs, the Purchaser or the
transactions contemplated by this Agreement, or which questions the validity
of any action taken or to be taken pursuant to or in connection with the
provisions of this Agreement.  The Purchaser warrants and represents that
there is no litigation matter or arbitration claim or demand for money damages
which exists or may exist as of the Closing Date.

     G.     The Purchaser is not in default under any employment agreement,
collective bargaining agreement, pension, profit sharing, retirement, deferred
compensation or bonus or stock purchase plan relating to the Purchaser's
employees.  The Purchaser does not have in effect, or have any obligation to
establish or contribute to, any plan, fund or program covered by ERISA, for
which the Purchaser shall have any obligation or liability.  There are no
disputes or controversies pending or, to the Purchaser's knowledge, threatened
with or by any employees of the Purchaser that would materially and adversely
affect the Purchaser's business.

     H.     The Purchaser has paid all taxes, assessments, governmental
charges and penalties due and payable by it, and there are no suits, actions,

claims, investigations, inquiries or proceedings pending or, to the
Purchaser's knowledge, threatened against the Purchaser in respect of any
taxes, assessments, governmental charges or penalties.

     I.     The Purchaser has good and marketable title to all of its
properties and assets, real and personal, except as since sold or otherwise
disposed of in the ordinary course of business, and the Purchaser's properties
and assets are subject to no mortgage, pledge, lien or encumbrance with
respect to which no default exists as of the date hereof and as of the
Closing.

     J.     No representation or warranty by the Purchaser, or any statement
or certificate furnished by the Purchaser to the Seller pursuant hereto or in
connection with the transactions contemplated hereby, contains or will contain
any untrue statement of a material fact or omits or will omit to state a
material fact necessary to make the statements contained therein not
misleading.

     The Purchaser acknowledges that the Seller is relying upon the above
representations, warranties and agreements in entering into this Agreement and
proceeding to Closing.

                                 ARTICLE VIII
              THE SELLER'S AND THE PURCHASER'S AFFIRMATIVE COVENANTS

     A.     The Seller covenants and agrees that from and after the execution
and delivery of this Agreement to and including the Closing Date:

          1.     The Seller shall give the Purchaser and its representatives
access during normal business hours to the properties comprising the Assets
and to the relevant books and records of the Seller concerning the Assets, and
furnish the Purchaser with such relevant information concerning the Assets as
the Purchaser may reasonably request.  The Purchaser agrees not to disturb the
normal operations of the Seller and further agrees that any and all
information received from the Seller shall be treated as confidential.

          2.     The Seller shall conduct its business only in the ordinary
course and shall use its reasonable efforts to preserve intact its assets,
properties and business, including, but not limited to, maintaining in effect
the casualty and liability insurance on the Assets heretofore in force and
complying with applicable Federal, state and local laws, rules and regulations
and pertinent provisions of all contracts, licenses and other agreements to
which it is a party or is otherwise bound.  The Seller shall make adequate
provision for payment of its liabilities arising prior to or after the Closing
Date for which liabilities the Purchaser shall have no responsibility or
liability.

          3.     The Assets shall not be sold, transferred, conveyed or
otherwise disposed of without the prior written consent of the Purchaser.

     B.     Each party hereto will keep confidential any financial or other
confidential information obtained from the other party in connection with the
transactions contemplated by this Agreement except for such disclosure as may
be necessary in the consummation hereof, including any necessary disclosure by
the Purchaser to its investors or lenders.  In the event that the Agreement is
terminated and purchase and sale contemplated hereby abandoned, each party
will return to the other party all documents, work papers and other written
material obtained by it in connection with this transaction.

                                   ARTICLE IX
           CONDITIONS PRECEDENT TO THE SELLER'S OBLIGATION TO CLOSE

     The obligations of the Seller under this Agreement with respect to the
purchase and sale of the Assets shall be subject to the fulfillment on or
prior to the Closing Date of each of the following conditions:

     A.     All of the representations and warranties by the Purchaser
contained in this Agreement shall be true and correct in all material respects
at and as of the Closing Date and shall survive the Closing Date for a period
of six (6) months.  The Purchaser shall have complied with and performed in
all material respects all of the agreements, covenants and conditions required
by this Agreement to be performed or complied with by it on or prior to the
Closing Date.  The Seller shall have been furnished with a certificate of the
President or any Vice President of the Purchaser, dated the Closing Date,
certifying to the fulfillment of the foregoing conditions.

     B.     The Purchaser shall have delivered a copy, certified by the
Secretary of the Purchaser, of the resolution adopted by the Board of
Directors of the Purchaser and authorizing the execution, delivery and
performance of this Agreement on behalf of the Purchaser and the consummation
of the transactions contemplated hereby.

     C.     The Purchaser shall have delivered that certain document captioned
Assumption of Obligations and Indemnity Agreement dated as of the Closing Date
providing for the assumption, payment and discharge by the Purchaser of the
Liabilities aggregating approximately $66,758 described in item 2. on Exhibit
A and the indemnification of the Seller for the same, in accordance with
Article III hereof.

     D.     There shall not have occurred any material adverse change in the
operations, assets, liabilities, business, results of operation, condition
(financial or otherwise) or prospects of the Purchaser, or any event or
circumstance which materially and adversely affects or may affect the
operation, assets, liabilities, business, results of operations, condition
(financial or otherwise) or prospects of the Purchaser.

                                   ARTICLE X
         CONDITIONS PRECEDENT TO THE PURCHASER'S OBLIGATIONS TO CLOSE

     The obligations of the Purchaser under this Agreement with respect to the
purchase and sale of the Assets shall be subject to the fulfillment on or
prior to the Closing Date of each of the following conditions:

     A.     All of the representations and warranties by the Seller contained
in this Agreement shall be true and correct in all material respects at and as
of the Closing Date and shall survive the Closing Date for a period of six (6)
months.  The Seller shall have complied with and performed in all material
respects all of the agreements, covenants and conditions required by this
Agreement to be performed or complied with by it on or prior to the Closing
Date.  The Purchaser shall have been furnished with a certificate of the
Chairman of the Board of Directors and Chief Executive Officer or any Vice
President of the Seller, dated the Closing Date, certifying to the fulfillment
of the foregoing conditions.

     B.     The Seller shall have delivered a copy, certified by the Secretary
of Seller, of the resolution adopted by the Board of Directors of the Seller
and authorizing the execution, delivery and performance of this Agreement on
behalf of the Seller and the consummation of the transactions contemplated
hereby.

     C.     There shall not have been instituted by any creditor of the Seller
or other third party any suit or proceedings to restrain or invalidate this
transaction or seeking damages from or to impose obligations upon the
Purchaser which, in the Purchaser's judgment, reasonably exercised, would
involve expense or lapse of time that would be materially adverse to the
Purchaser's interest.

     D.     There shall not have been suffered (after the date hereof) any
casualty or loss, whether or not covered by insurance, which materially and
adversely affects the Assets; provided that if the Purchaser elects to waive
such condition to its obligations under this Agreement, the provisions of
Article XIV hereof shall be applicable to the insurance proceeds and other
rights against third parties, if any, resulting from such casualty or loss.

                                  ARTICLE XI
                                    CLOSING

     The closing hereunder (hereinafter referred to as the "Closing") shall be
held at the offices of the Seller, 1869 West Littleton Boulevard, Littleton,
Colorado 80120, on September 23, 1999 (hereinafter referred to as the "Closing
Date"), or on such other date and at such other place as the parties hereto
shall mutually agree.  At the Closing, all agreements, bills of sale,
assignments, certificates of title and other instruments and documents
referred to or contemplated by this Agreement shall be exchanged by the
parties hereto.

     A.     At the Closing, the Purchaser shall receive from the Seller the
following:

          1.     A bill of sale and/or assignments or certificates of title
for the Assets, as described in Article I;

          2.     The Certificate of the Seller's Chairman of the Board of
Directors and Chief Executive Officer certifying to the matters set forth in
Article X, section A, hereof; and

          3.     Resolution of the Board of Directors of the Seller as
described in Article X, section B.

     B.     At the Closing, the Seller shall receive from the Purchaser the
following:

          1.     That certain document captioned Assumption of Obligations and
Indemnity Agreement dated as of the Closing Date providing for the assumption,
payment and discharge by the Purchaser of the Liabilities aggregating
approximately $66,758 described in item 2. on Exhibit A and the
indemnification of the Seller for the same, in accordance with Article III.

          2.     The Certificate of the Purchaser's President certifying to
the matters set forth in Article IX, section A, hereof; and

          3.     Resolution of the Board of Directors of the Purchaser as
described in Article IX, section B, hereof.

     C.     The Seller and the Purchaser shall provide the other with such
other documents as, in the reasonable judgement of either of them or their
respective counsels, may be material to the Closing of the transactions
contemplated by this Agreement.

                                  ARTICLE XII
                              TERMINATION RIGHTS

     This Agreement may be terminated by either the Purchaser or the Seller,
if the terminating party is not then in breach of any material provision of
this Agreement, upon written notice to the other party, upon the occurrence of
any of the following:

     A.     If, on the Closing Date, any of the conditions precedent to the
obligations of the parties set forth in this Agreement have not been
materially satisfied by the responsible party or waived in writing by the
other party for whose benefit the condition is imposed.

     B.     If the Closing does not occur on or before October 31, 1999.

     (i)     Upon termination, if neither party hereto is in breach of any
material provision of this Agreement, the parties hereto shall have no further
liability to each other, (ii) if the Seller shall be in breach of any material
provision of this Agreement, the Purchaser shall be entitled to such rights
and remedies provided in this Agreement or in any agreement executed in
connection with this Agreement or at law or in equity, or (iii) if the
Purchaser shall be in breach of any material provision of this Agreement, the
Seller shall be entitled to such rights and remedies provided in this
Agreement or in any agreement executed in connection with this Agreement or at
law or in equity.

                                 ARTICLE XIII
                                  BROKERAGE

     Each party hereto represents and warrants to the other party that it has
not incurred any obligations or liabilities, contingent or otherwise, for
brokerage or finder's fees or agent's commissions or other like payment in
connection with this Agreement or the transactions contemplated hereby for
which either party will have any liability.  Each party hereto agrees to
indemnify and hold the other party hereto harmless against and in respect of
any breach by it of the provisions of this Article XIII.

                                  ARTICLE XIV
                                CASUALTY LOSSES

     In addition to any other remedy the Purchaser may have hereunder, in the
event that there shall have been suffered between the date hereof and the
Closing Date any casualty or loss relating to the Assets which does not
materially and adversely affect the business of the Seller, then at the
Closing all claims to insurance proceeds or other rights of the Seller against
third parties arising from such casualty or loss shall (to the extent
assignable) be separately assigned by the Seller to the Purchaser, for its own
account and benefit, in the name of the Seller.

                                  ARTICLE XI
                                  INDEMNITY

     A.     Notwithstanding the Closing, the Seller agrees to indemnify and to
hold the Purchaser harmless from and against and in respect of any losses
incurred by the Purchaser from:

          1.     All actual or purported debts, liabilities and obligations of
the Seller, except for those Liabilities aggregating approximately $66,758
expressly assumed by the Purchaser pursuant to the provisions of Article III
hereof, and all claims and demands made in respect thereof whether or not
known or asserted at or prior to the Closing Date relating to, or arising

from, ownership, operation or control of the Assets at or prior to Closing,
the conduct of the business of the Seller or any other state of facts which
existed at or prior to the Closing Date;

          2.     Any damage or deficiency resulting from any
misrepresentations, breach of warranty or non-fulfillment of any agreement or
covenant on the part of the Seller under this Agreement, or from any
misrepresentation in or omission from any exhibit or other instrument
furnished or to be furnished to the Purchaser hereunder; and

          3.     Any claims made by creditors or customers of the Seller
relating to the ownership or operation of the Seller's business not expressly
assumed hereunder.

     B.     Notwithstanding the indemnities provided in Article XV, section A,
the Purchaser shall be responsible for and pay all costs and expenses incurred
by the Purchaser attendant to efforts to dismiss or remove it from any action,
claim or controversy prior to any trial or hearing on the matter, whether by
motion to dismiss, motion for summary judgment or other similar motion, on the
basis that the Purchaser is not a successor in liability to the claims against
or debts of the Seller.  The Seller's indemnity as provided in Article XV,
section A, shall be for any costs or expenses beyond such motion to remove the
Purchaser from such action and for the amount of any judgment or award
rendered against the Purchaser.  Such indemnity shall be paid directly by the
Seller.

     C.     In the event that the Purchaser does not succeed in being
dismissed from an action as provided in Article XV, section B, the Purchaser
shall appoint a two person litigation committee to oversee the conduct of any
hearing or trial on the matter.  Such committee shall consist of two members
of the Purchaser's Board of Directors.  Decisions concerning any such action,
including settlement of the claim or controversy, shall be made by the
litigation committee.  If no decision can be reached, the members will agree
to designate a third party to make such decision.

     D.     Notwithstanding the Closing, the Purchaser agrees to indemnify and
to hold the Seller harmless from and against and in respect of any losses
incurred by the Seller from any damage or deficiency resulting from any
misrepresentation, breach of warranty or nonfulfillment of any agreement or
covenant on the part of the Purchaser under this Agreement, or from any
misrepresentation in or omission from any exhibit or other instrument
furnished or to be furnished to the Seller hereunder.

                                   ARTICLE XVI
                                  MISCELLANEOUS

     A.     From time-to-time after the Closing Date, the Seller shall, if
requested by the Purchaser, make, execute and deliver to the Purchaser such
additional bills of sale, assignments and other instruments of transfer as may
be necessary or proper to transfer to the Purchaser all of the Seller's right,
title and interest in and to the Assets covered by this Agreement.

     B.     All notices and other communications required or permitted to be
given hereunder shall be in writing and shall be deemed to have been duly
given it delivered or mailed, registered or certified mail, return receipt
requested, postage prepaid, to the following addresses:

     1.   If to the Purchaser, to:

          Last Mile Communications Corporation
          2821 South Parker Road, Suite #1305
          Aurora, Colorado 80014

          Attn: Mr. Steven J. Santamaria, President,
                Chairman of the Board of Board of Directors and
                Chief Executive Officer

      2.  If to the Seller, to:

          Mariah Communications, Inc.
          1869 West Littleton Boulevard
          Littleton, Colorado 80120

          Attn: Mr. James H. Watson, Jr., Chairman of the Board
                of Board of Directors and Chief Executive Officer

Notices delivered personally shall be effective upon delivery.  Notices
transmitted by facsimile shall be effective when received.  Notices delivered
by registered or certified mail shall be effective on the date set forth on
the receipt of registered or certified mail, or seventy-two hours after
mailing, whichever is earlier.

     C.     All agreements made and entered into in connection with this
transaction shall be binding upon and inure to the benefit of the parties
hereto, their successors and assigns.

     D.     The Seller and the Purchaser shall each bear its own expenses and
costs, including the fees of any attorney retained by it, incurred in
connection with the preparation of this Agreement and the consummation of the
transactions hereby.

     E.     Any sales, use, transfer or documentary taxes imposed in
connection with the sale and delivery of the Assets and rights acquired by the
Purchaser under this Agreement shall be paid by the Purchaser.

     F.     This Agreement and the exhibits attached hereto contain the entire
agreement among the parties and supersede all prior agreements, understandings
and writings among the parties with respect to the subject matter hereof and
thereof. Each party hereto acknowledges that no representations, inducements,
promises or agreements, verbal or otherwise, have been made by either party,
or anyone acting with authority on behalf of either party, which are not
embodied herein or in an exhibit hereto, and that no other agreement,
statement or promise may be relied upon or shall be valid or binding.  Neither
this Agreement nor any term hereof may be changed, waived, discharged or
terminated verbally.  This Agreement may be amended or any term hereof may be
changed, waived, discharged or terminated by an agreement in writing signed by
both parties hereto.

     G.     This Agreement may be executed in one or more counterparts, each
of which when so executed shall be an original, but both of which together
shall constitute one agreement.

     H.     If any provision of this Agreement or the application thereof to
any person or circumstance shall be invalid or unenforceable to any extent,
the remainder of this Agreement and the application of such provision to other
persons or circumstances shall not be affected thereby and shall be enforced
to the greatest extent permitted by law.

     I.     This Agreement shall be construed and enforceable in accordance
with, and be governed by, the internal laws of the State of Colorado without
regard to the principles of conflict of law.

     IN WITNESS WHEREOF, the parties hereto have duly executed and delivered
this Agreement as of the day and year first above written.

ATTEST:                            SELLER:

                                   MARIAH COMMUNICATION, INC.

__________________________         By:  /s/ James H. Watson
Michael D. Tanner, Secretary            James H. Watson, Jr., Chairman of the
                                      Board of Directors and Chief Executive
                                      Officer

ATTEST:                            PURCHASER:

                                   LAST MILE COMMUNICATIONS
                                   CORPORATION

__________________________         By:  /s/ Steven J. Santamaria, President,
Douglas Woodman, Secretary            Chairman of the Board of Directors and
                                      Chief Executive Officer

                                                     EXHIBIT A

 1.  Assets, including the following:

     a.     Computer equipment                                   $20,968.57
     b.     Thomas Garvin furniture                               10,709.05
     c.     Computer equipment                                    10,077.06
     d.     Radio frequency equipment                              9,808.05
     e.     Westek presentation system - keyboard                  4,230.00
     f.     RSI - paint (leaseholds)                               3,638.24
     g.     Refrigerator                                             621.88
     h.     FAX machine                                              536.49
     i.     Westek presentation system - projector                   499.00
     j.     Telephone equipment                                      443.27
     k.     White board                                              375.55
                                                                 ----------
            Total                                                $61,897.16

2.   Debts, liabilities and obligations, including the following:

     a.     Office lease (11 months)                             $40,524.00
     b.     Two weeks gross severance pay for current employees   13,334.00
     c.     Telephone contract (12 months)                         6,900.00
     d.     Technology consulting agreement                        6,000.00
                                                                 ----------
            Total                                                $66,758.00

             ASSUMPTION OF OBLIGATIONS AND INDEMNITY AGREEMENT

         This Assumption of Obligations and Indemnity Agreement (hereinafter
referred to as the "Agreement") is made and entered into this 23rd day of
September, 1999, by and between Last Mile Communications Corporation, a
Colorado corporation (hereinafter referred to as the "Purchaser"), 2821 South
Parker Road, Suite #1305, Aurora, Colorado 80014, and Mariah Communications,
Inc., a Colorado Corporation (hereinafter referred to as the "Seller"), 1869
West Littleton Boulevard, Littleton, Colorado 80120.

                                   RECITALS:

     A.     WHEREAS, the Seller, which is undergoing a change in the direction
of its business within the telecommunications industry as a result of which it
has no need for certain of its assets totaling approximately $61,897.16 in
value (hereinafter referred to as the "Assets") described in item 1. on
Exhibit A attached to and incorporated in that certain Asset Purchase and Sale
Agreement hereinafter referred to as the "Asset Sale Agreement") dated
effective as of September 21, 1999, between the Seller and the Purchaser (at
the closing of the transactions described in which Asset Sale Agreement this
Agreement is being delivered), has agreed in the Asset Sale Agreement to sell,
assign, transfer, convey and deliver said assets to the Purchaser, and the
Purchaser has agreed to purchase, acquire and receive said assets from the
Seller, in consideration therefor of the Purchaser's agreement in the Asset
Sale Agreement to assume liability for the payment of, and pay and discharge
on a timely basis, certain of the Seller's debts, liabilities and obligations
totaling approximately $66,758 as described in item 2. on Exhibit A attached
to the Asset Sale Agreement.

     B.     WHEREAS, Article XI, B., 1. of the Asset Sale Agreement requires
that the Purchaser deliver this Agreement to the Seller at the closing of the
transactions described in the Asset Sale Agreement in accordance with the
provisions of Article III thereof.

     NOW, THEREFORE, in consideration of the foregoing premises, the mutual
promises, covenants, agreements, representations and warranties set forth
hereinafter, and for other good and valuable consideration, the receipt and
sufficiency are hereby acknowledged, the parties hereto agree as follows:

                                    ARTICLE I
                            ASSUMPTION OF OBLIGATIONS

     In consideration for the sale, assignment, transfer, conveyance and
delivery of the Assets, the Purchaser hereby agrees to assume liability, as of
the Closing Date, for the payment of, and pay and discharge on a timely basis
subsequent to the Closing Date, the following debts, liabilities and
obligations of the Seller totaling approximately $66,758 (individually, a
"Liability" and, collectively, the "Liabilities"):

1.     Office lease (ll months)                                    $40,524
2.     Two weeks gross severance pay for current employees          13,334
3.     Telephone contract (12 months)                                6,900
4.     Technology consulting agreement                               6,000
                                                                   -------
       Total                                                       $66,758

                                  ARTICLE II
                                INDEMNIFICATION

     Subject only to the exclusions set forth in Article IV, the Purchaser
hereby agrees to hold harmless and indemnify the Seller from and against:

     1.     The Liabilities; and

     2.     Any and all expenses (including attorneys' fees), judgments,
fines, penalties and amounts paid in settlement (including all interest,
assessments and other charges paid or payable in connection with or in respect
of such expenses, judgments, fees, penalties or amounts paid in settlements)
actually and reasonably incurred by the Seller in connection with any
threatened, pending or completed action, suit or proceeding, whether civil,
criminal, administrative or investigative (including an action by or in the
right of the Company) to which the Seller is, was at the date hereof or at any
time becomes a party or witness, or is threatened to be made a party or
witness. To the extent permitted by law, the term " expenses" as used in this
Agreement shall mean attorneys'' fees and all other costs, expenses and
obligations paid or incurred in connection with investigating, defending,
being a witness in or participating in (including an appeal), or preparing to
defend, be a witness in or participate in, any such action, suit or
proceeding.

                                   ARTICLE III
                            PARTIAL INDEMNIFICATION

     If the Seller is entitled under any provision of this Agreement to
indemnification by the Purchaser for some or a portion of the expenses,
judgment, fines, penalties and amounts paid in settlement of an action or
claim but not, however, to indemnification for the total amount thereof, the
Purchaser will nevertheless indemnify the Seller for the portion thereof to
which the Seller is entitled.  Moreover, notwithstanding any other provision
of this Agreement, to the extent that the Seller has been successful on the
merits or otherwise in defense of any action, suit or proceeding, including
dismissal without prejudice, the Seller shall be indemnified against all
expenses incurred in connection therewith.

                                  ARTICLE IV
                                  EXCLUSIONS

     No indemnity will be paid by the Purchaser pursuant to this Agreement:

     1.     If the final decision by a court having jurisdiction in the matter
determines that such indemnification is not lawful.

     2.     For which payment is actually made to the Seller under any
insurance.

     3.     On account of the Seller's conduct that is finally adjudged to
have been knowingly fraudulent or deliberately dishonest, which conduct was
material to the cause of action so adjudicated.

     4.     On account of any suit in which the Seller is finally adjudged to
have obtained, in fact, a personal profit or advantage to which it was not
legally entitled.

                                   ARTICLE V
                                 MISCELLANEOUS

     1.     No Presumption.  For the purpose of this Agreement, to the fullest
extent permitted by law, the termination of any action, suit or proceeding, by
judgment, order, settlement (whether with or without court approval) or
conviction, or upon a plea of nolo contendere, or its equivalent, will not
create a presumption that the Seller did not meet any particular standard of
conduct or have any particular belief or that a court has determined that
indemnification is not permitted by applicable law.

     2.     Settlement and Costs.  The Purchaser will not be liable to
indemnify the Seller under this Agreement for any costs, charges or expenses
incurred or amounts paid in settlement or any action or claim effected without
its written consent.  The Seller will not settle any action or claim in any
manner that would impose any penalty or limitation on the Purchaser without
the Purchaser's written consent.  Neither the Purchaser nor the Seller will
unreasonably withhold consent.

     3.     Continuation of Indemnity.  All agreements and obligations of the
Purchaser contained herein shall continue so long as the Seller shall be
subject to any possible claim or threatened, pending or contemplated action,
suit or proceeding, whether civil, criminal or investigative.

     4.     Payment of Claims.  If an obligation under this Agreement is not
paid by the Purchaser, or on its behalf, within ninety days after written
notice, given as provided in Section 15. of this Article V., has been received

by the Purchaser, the Seller may at any time thereafter bring suit against the
Purchaser to recover the unpaid amount of the obligation.

     5.     Subrogation.  In the event of payment by or on behalf of the
Purchaser under this Agreement, the Purchaser shall be subrogated to the
extent of such payment to all of the rights of recovery of the Seller, which
shall execute all documents required and shall do everything that may be
necessary to secure such rights, including the execution of such documents
necessary to enable the Purchaser effectively to bring suit to enforce such
rights.

     6.     Notice.  The Seller, as a condition precedent to its right to be
indemnified under this Agreement, shall give to the Purchaser notice in
writing as soon as practicable of any claim made for which indemnity will or
could be sought under this Agreement.  Notice to the Purchaser shall be
directed to the Purchaser as provided in Section 15. of this Article V.  In
addition, the Seller shall give the Purchaser such information and cooperation
as it may reasonably require and as shall be within its power.

     7.     Defense of Claims.  With respect to any action, suit or proceeding
as to which the Seller is seeking indemnification under this Agreement and as
to which the Seller notifies the Purchaser pursuant to the provisions hereof:

     a.     The Purchaser shall be entitled to participate therein at its own
expense, and

     b.     Except as otherwise provided below, to the extent that it may
wish, the Purchaser, jointly with any other indemnifying party similarly
notified, will be entitled to assume the defense thereof, with counsel
satisfactory to the Seller.  After notice from the Purchaser to the Seller of
its election to assume the defense thereof, the Purchaser will not be liable
to the Seller under this Agreement for any legal or other expenses
subsequently incurred by the Seller in connection with the defense thereof,
other than reasonable costs of investigation or as otherwise provided below.
The Seller shall have the right to employ separate counsel in such action,
suit or proceeding, but the fees and expenses of such counsel, incurred after
notice from the Purchaser of its assumption of the defense thereof, will be at
the expense of the Seller unless (i) the employment of counsel by the Seller
has been authorized by the Purchaser, (ii) the Seller shall have reasonably
concluded that there may be a conflict of interest between the Purchaser and
the Seller in the conduct of the defense of such action; or (iii) the
Purchaser will not in fact have employed counsel to assume the defense of such
action, in each of which cases the fees and expenses of counsel will be at the
expense of the Purchaser.  The Purchaser will not be entitled to assume the
defense of any action, suit or proceeding brought by or on behalf of the
Purchaser or as to which the Seller has made the reasonable conclusion that
there may be a conflict of interest between the Purchaser and the Seller in
the conduct of the defense of such action.

     8.     Advances and Repayment of Expenses.  All reasonable expenses
incurred by the Seller in defending or investigating any civil or criminal
action, suit or proceeding will be paid in advance of the final disposition of
such action, suit, proceeding or investigation.  In addition, the Purchaser
may advance expenses incurred by the Seller in connection with the recovery
under any insurance maintained by the Purchaser, regardless of whether the
Seller ultimately is determined to be entitled to such indemnification,
expense advance or insurance recovery, as the case may be.  The Seller agrees
that it will reimburse the Purchaser for all such expense so advanced by the
Purchaser in defending any civil or criminal action, suit or proceeding
against the Seller in the event and only to the extent that it is ultimately
determined that the Seller is not entitled to be indemnified by the Purchaser

for such expenses under the provisions of the applicable law, this agreement
or otherwise.

     9.     Enforcement.  In any action between the parties seeking
enforcement of any of the terms and provisions of this Agreement, the
prevailing party in that action will be entitled to its reasonable costs and
expenses, including court costs and reasonable attorneys' fees in addition to
such other relief as may be granted.

     10.     Non-Exclusivity.  Nothing in this Agreement shall diminish or
otherwise restrict any right of the Seller to be indemnified under any
insurance policy, any applicable law, any other agreement or otherwise.

     11.      Termination.  The Purchaser will require and cause any successor
(whether direct or indirect by purchase, merger, consolidation or otherwise)
to all, substantially all or a substantial part, of the business and/or assets
of the Purchaser, by written agreement in form and substance satisfactorily to
the Seller, expressly to assume and agree to perform this Agreement in the
same manner and to the same extent that the Purchaser would be required to
perform if no such succession had taken place.

     12.     Further Action.  Each of the parties hereto shall execute and
deliver such other and further documents and instruments, and take such other
and further actions, as may be reasonably requested of it for the
implementation and consummation of this Agreement and the transactions herein
contemplated.

     13.     Binding Effect.  This Agreement shall be binding upon and inure
to the benefit of the parties hereto and the successors and assigns of each of
them, but shall not confer, expressly or by implication, any rights or
remedies upon any other party.

     14.     Governing Law.  This Agreement is made and shall be governed in
all respects, including validity, interpretation and effect, by the laws of
the State of Colorado.

     15.     Notices.  All notices, requests or demands and other
communications hereunder must be in writing and shall be deemed to have been
duly made if personally delivered or mailed, postage prepaid, to the parties
as follows:

          (i)  If to the Purchaser, to:

               Last Mile Communications Corporation
               2821 South Parker Road, Suite #1305
               Aurora, Colorado 80014

               Attention: Mr. Steven J. Santamaria, President, Chief
                          Executive Officer and Chairman of the Board
                          of Directors

          (ii) If to the Seller, to:

               Mariah Communications, Inc.
               1869 West Littleton Boulevard
               Littleton, Colorado 80120

               Attention: Mr. James H. Watson, Jr., Chairman of the
                          Board of Directors and Chief Executive Officer

Either party hereto may change its address by written notice to the other
party given in accordance with this Section 15. of Article V.

     16.     Entire Agreement; Amendment.  This Agreement and the exhibits
attached hereto contain the entire agreement between and among the parties and
supersede all prior agreements, understandings and writings between or among
the parties with respect to the subject matter hereof and thereof.  Each party
hereto acknowledges that no representations, inducements, promises or
agreements, verbal or otherwise, have been made by any party, or anyone acting
with authority on behalf of any party, which are not embodied herein or in an
exhibit hereto, and that no other agreement, statement or promise may be
relied upon or shall be valid or binding.  Neither this Agreement nor any term
hereof may be changed, waived, discharged or terminated verbally.  This
Agreement may be amended or any term hereof may be changed, waived, discharged
or terminated by an agreement in writing signed by both parties hereto.

     17.     Headings.  The captions and headings used herein are for
convenience only and shall not be construed as part of this Agreement.

     18.     Separability.  Each of the provisions of this Agreement is a
separate and distinct agreement and independent of the others, so that if any
provision hereof shall be held to be invalid or unenforceable for any reason,
either generally or only in particular circumstances, such invalidity or
unenforceability shall not affect the validity or enforceability of the other
provisions hereof, and any provision held to be invalid or unenforceable in a
particular circumstance shall be valid and enforceable in all other
circumstances to the extent permitted by law.

     IN WITNESS WHEREOF, the parties hereto have duly executed and delivered
this Agreement as of the day and year first above written.  Attached to and
incorporated in that certain Assumption of Obligations and Indemnity Agreement
dated September 23, 2000, between Last Mile Communications Corporation and
Mariah Communications, Inc.

ATTEST:                            SELLER:

                                   MARIAH COMMUNICATION, INC.

____________________________       By:  /s/ James H. Watson
Michael D. Tanner, Secretary          James H. Watson, Jr., Chairman of the
                                      Board of Directors and Chief Executive
                                      Officer

ATTEST:                            PURCHASER:

                                   LAST MILE COMMUNICATIONS
                                   CORPORATION

__________________________         By:  /s/ Steven J. Santamaria, President,
Douglas Woodman, Secretary            Chairman of the Board of Directors and
                                      Chief Executive Officer

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