Amendment #2
Cantara Agreement

Amendment #2 to the Agreement between Cognigen Networks, Inc. (Cognigen), the
Anderson Family Trust No. 1 (AFT), and the Cantara Communications Corporation
dated December 9, 2005 (Cantara Agreement).

Cognigen, the AFT and Cantara agree that the Cantara Agreement, as amended by
Amendment #1 on March 14, 2006, is further amended by deleting paragraph (a)
therefrom , and substituting therefor the following:

(a.) Payment of $25,000 on March 15, 2006, by wire transfer, plus the payment by
wire transfer of $20,000 on each 15th day of April, May, June, July and August,
2006, and of $25,000 on the 15th day of September, 2006, for a total of payments
of $150,000.

Said payments will be applied to the first annual installment of $450,000 that
was to have been paid on March 15, 2006, if the balance due of $300,000 for the
first annual installment is paid on or before October 15, 2006   Until the first
installment totaling $450,000 is paid in full, AFT will continue to receive 100%
of the monthly Cantara commissions. Once the $450,000 is paid in full, AFT will
receive 70% of the monthly amount due pursuant to the Stock Agreement

Except as amended herein, the terms of the Cantara Agreement among Cognigen, the
AFT and Cantara shall remain in full force and effect.

This amendment is dated May 12, 2006.

Cognigen Networks, Inc.

By: /s/ Gary L. Cook                       
       Gary L. Cook, Acting President

The Anderson Family Trust No. 1

By: /s/ Peter Tilyou                         
        Peter Tilyou, Trustee

Cantara Communications Corporation

By: /s/ Peter Tilyou                         
        Peter Tilyou, President

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