Document:

EXHIBIT 10.11

                AGREEMENT FOR SIEMENS AUTHORIZED DIRECT DEALERS

Authorized Direct Dealer Name and Address:            Agreement No: CSG013
  Corporate Technologies
  9449 Science Center Drive                      Siemens Authorized
  New Hope, MN 55428                             Direct Dealer No.:

Siemens Region Address:                         Siemens Region No.: OSGDIST
  1881 Campus Commons Dr.
  Beston, VA 20191                                  Effective Date: 12/14/01

Siemens Enterprise Networks LLC (Siemens) and the Siemens Authorized Direct
Dealer (you) agree to the following terms:

1. TERM
   The term of this Agreement (Term) is 1 year. It will renew for successive
periods of one year unless either party provides written notice on or before the
expiration of the Term, or any renewal term, in which event the Agreement will
expire three months from the date of the notice.

2. SCOPE OF APPOINTMENT AND PRODUCTS
This Agreement acknowledges your conditional appointment as a Certified Partner
at the Certified Enterprise Partner level, subject to you meeting the
requirements of said level no later than 12 months from the effective date of
this Agreement. Siemens will advise you in writing when you have successfully
met the requirements of a Certified Enterprise Partner. After Certification, you
will be a non-exclusive authorized direct dealer for the sale, installation and
service of the Products. The term "Product" means equipment, Software and other
items listed in Exhibit A, which Siemens will periodically revise. You may
purchase from Siemens directly only those Siemens Products that are not stocked
by an Authorized Distributor.
   You will perform such activities from such Authorized Location(s) within your
Marketing Coverage Area (MCA) as are set forth in Exhibit B.
   You will market Products only to End Users. An "End User" is unaffiliated
with you, acquires Products for, and places Products in, productive use, and
includes a party providing "shared tenant services" or performing as a "long
distance service reseller." A party which remarkets, sells, licenses, rents or
leases Products to others in the regular course of its business, except for
lease-back financing to an End User, is not an End User.
   You will not appoint any other marketer or servicer of Products, nor appoint
an agent to represent you unless Siemens agrees in writing.
   Except as set forth in this Agreement, you will not make any warranties or
representations or create any obligations whatsoever on Siemens' behalf.
   Siemens may, at its sole discretion, market and/or service Products, or
similar products, in your MCA either directly, through one or more other Siemens
Authorized Direct Dealers, or through other service channels.
   Ordering procedures and forecast requirements for Products will be described
in such order notes or other writings as Siemens may periodically publish.
   Siemens will attempt to fill your order for Products and meet your request
for shipment dates subject to Product availability and consistent with Siemens'
production and supply schedules. Siemens will inform you of the estimated
shipment dates for Products that will be shipped to an Authorized Location or
your End User's location within the United States and Puerto Rico.

3. YOUR OBLIGATIONS
   You agree to:
   a) Use your best efforts to develop and promote the sale of Products in your
      MCA, enhance the image and reputation of the Products, establish and
      maintain good customer relations, comply with the requirements of the
      Enterprise Partner level, including achieving the annual Product sales
      volume, documented in the Siemens Certified Partner Program, a copy of
      which will be provided to you upon request;
   b) Provide Siemens a Product Business Plan;
   c) Participate in Siemens sponsored programs designed to promote the
      Products;

PAGES 2 THROUGH 4 ARE ALSO PART OF THIS AGREEMENT. This Agreement including all
Exhibits and those effective in the future, is the complete agreement between
the parties, and supersedes all prior agreements, oral or written, and all other
communications relating to this subject.

                                            Accepted by:
                                            Siemens Enterprise Networks LLC
------------------------------------
Siemens Authorized Direct Dealer

By /s/ James L. Mandel                      By /s/ Donna Wilson
   ---------------------------------           ---------------------------------
         Authorized Signature                         Authorized Signature

   James L. Mandel        11-8-01              Donna Wilson          12/14/01
------------------------------------        ------------------------------------
Name (Type or Print)       Date             Name (Type or Print)       Date

Siemens is a registered trademark of Siemens AG.

Z1078 Rev. 3bg (8/01)             Page 1 of 4EXHIBIT 10.12

                           CONVERTIBLE PROMISSORY NOTE

$1,500,000                                                      January 23, 2001

         FOR VALUE RECEIVED, the undersigned, VICOM, INCORPORATED, a Minnesota
corporation (the "Maker"), hereby promises to pay to the order of Pyramid
Trading Limited Partnership or its assigns (the "Payee"), at such place as the
Payee may designate in writing, the principal sum of One Million Five Hundred
Thousand Dollars ($1,500,000), as follows.

1. INTEREST. The unpaid principal balance hereof from time to time outstanding
shall bear interest beginning January 23, 2001 at the rate of eight percent (8%)
per annum, payable quarterly in arrears, on March 31, June 30, September 30 and
December 31. The first interest payment is due on March 31, 2001.

2. DUE DATE. The principal hereof, together with all accrued, but unpaid
interest, is payable in full on January 22, 2003. Despite the foregoing, if at
any time, the number of shares of the Maker's Common Stock into which the Payee
may convert this Note, when added to the number of shares of the Maker's Common
Stock that the Payee may then acquire upon exercise in full of a Warrant of this
date, would exceed 20% of the outstanding shares of the Maker's Common Stock
(including the shares so acquired by the Payee), then the entire principal
balance hereof, together with all accrued, but unpaid interest, shall be
immediately due and payable.

3. PREPAYMENTS. This Note may be prepaid, in whole or in part, without penalty
by Maker upon fifteen days written notice to Payee. Prepayments shall be applied
first to accrued, but unpaid interest, and then to principal.

4. DEFAULT. The occurrence of any one or more of the following events shall
constitute an event of default, upon which Payee may declare the entire
principal amount of this Note, together with all accrued but unpaid interest, to
be immediately due and payable:

         (a) The Maker shall fail to make any payment of principal or interest
when due and such failure shall continue for 10 days after the due date thereof.

         (b) The Maker shall become insolvent or any bankruptcy, reorganization,
debt arrangement or other proceeding under any bankruptcy or insolvency law
shall be instituted by or against the Maker.

5. CONVERSION. At any time while any portion of the principal or interest of
this Note is outstanding (including during the notice period prior to any
prepayment by the Maker), the Payee may give the Maker written notice of its
intention to convert all or any portion of the

<PAGE>

outstanding principal and/or accrued but unpaid interest on this Note into
shares of the Maker's Common Stock, as follows. Upon receipt of the Payee's
notice, the Maker shall within ten (10) days thereafter, and in full and
complete satisfaction of the Note portion elected by the Payee for conversion,
cause the issuance to the Payee of a full share of Common Stock for each $4.75
(the "Conversion Price") of principal and/or interest so converted.

         (a) The Conversion Price shall be adjusted from time to time such that
in case the Maker shall hereafter:

         (i) pay any dividends on any class of stock of the Maker payable in
         Common Stock or securities convertible into Common Stock;

         (ii) subdivide its then outstanding shares of Common Stock into a
         greater number of shares; or

         (iii) combine outstanding shares of Common Stock, by reclassification
         or otherwise.

In any such event, the Conversion Price in effect immediately prior to such
event shall (until adjusted again pursuant hereto) be adjusted immediately after
such event to a price (calculated to the nearest full cent) determined by
dividing (A) the number of shares of the Maker's Common Stock outstanding
immediately prior to such event, multiplied by the then existing Conversion
Price, by (B) the total number of shares of Common Stock outstanding immediately
after such event (including in each case the maximum number of shares of Common
Stock issuable in respect of any securities convertible into Common Stock), and
the resulting quotient shall be the adjusted Conversion Price per share. An
adjustment made pursuant to this subsection shall become effective immediately
after the record date in the case of a dividend or distribution and shall become
effective immediately after the effective date in the case of a subdivision,
combination or reclassification. If, as a result of an adjustment made pursuant
to this subsection, the Payee shall become entitled to receive shares of two or
more classes of capital stock or shares of Common Stock and other capital stock
of the Maker, the Maker's Board of Directors (whose determination shall be
conclusive) shall determine the allocation of the adjusted Conversion Price
between or among shares of such classes of capital stock or shares of Common
Stock and other capital stock. All calculations under this subsection shall be
made to the nearest cent or to the nearest 1/100 of a share, as the case may be.
In the event that at any time as a result of an adjustment made pursuant to this
subsection, the Payee shall become entitled to receive any shares of the Maker
other than shares of Common Stock, thereafter the Conversion Price of such other
shares so receivable upon conversion of this Note shall be subject to adjustment
from time to time in a manner and on terms as nearly equivalent as practicable
to the provisions with respect to Common Stock contained in this Section.

                                      -2-
<PAGE>

         (b) In case of any consolidation or merger to which the Maker is a
party other than a merger or consolidation in which the Maker is the continuing
corporation, or in case of any sale or conveyance to another corporation of the
property of the Maker as an entirety or substantially as an entirety, or in the
case of any statutory exchange of securities with another corporation (including
any exchange effected in connection with a merger of a third corporation into
the Maker), there shall be no adjustment under subsection (a) of this Section 5
but the Payee shall have the right thereafter to convert all or a portion of the
outstanding principal and/or accrued but unpaid interest on this Note into the
kind and amount of shares of stock and other securities and property which the
Payee would have owned or have been entitled to receive immediately after such
consolidation, merger, statutory exchange, sale or conveyance had the same
portion of the Note been converted immediately prior to the effective date of
such consolidation, merger, statutory exchange, sale or conveyance and, in any
such case, if necessary, appropriate adjustment shall be made in the application
of the provisions set forth in this Section with respect to the rights and
interests thereafter of the Payee, to the end that the provisions set forth in
this Section shall thereafter correspondingly be made applicable, as nearly as
may reasonably be, in relation to any shares of stock and other securities and
property thereafter deliverable on the conversion of the Note. The provisions of
this subsection shall similarly apply to successive consolidations, mergers,
statutory exchanges, sales or conveyances.

         (c) Upon any adjustment of the Conversion Price, then and in each such
case, the Maker shall give written notice thereof, by first-class mail, postage
prepaid, addressed to the Payee as shown on the books of the Maker, which notice
shall state the Conversion Price resulting from such adjustment, setting forth
in reasonable detail the method of calculation and the facts upon which such
calculation is based.

6. APPLICABLE LAW. THE VALIDITY, CONSTRUCTION AND ENFORCEABILITY OF THE NOTE
SHALL BE GOVERNED BY THE INTERNAL LAWS OF THE STATE OF MINNESOTA, WITHOUT GIVING
EFFECT TO CONFLICT OF LAWS PRINCIPLES THEREOF.

7. WAIVERS. The Maker hereby waives presentment for payment, notice of dishonor,
protest and notice of payment and all other notices of any kind in connection
with the enforcement of this Note.

8. NO SETOFFS. The Maker shall pay principal and interest under the Note without
any deduction for any setoff or counterclaim.

                                      -3-
<PAGE>

9. COSTS OF COLLECTION. If this Note is not paid when due, the Maker shall pay
Payee's reasonable costs of collection, including reasonable attorney's fees.

                                        VICOM, INCORPORATED

                                        By /s/ James L. Mandel
                                           -------------------------------------

                                        Its    CEO
                                           -------------------------------------

                                      -4-

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