SIP Trunk on CUCM7

Unanswered Question
Jan 11th, 2010

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I am stuck on a seemingly the simple solution.

I have CUCM 7 with H323 Voice Gateway which terminate PSTN connection.

We took the SIP link from the local ISP and now I want to connect CUCM directly to the SIP trunk. In front of H323 GW  I have the ASA. I made a SIP trunk on CUCM and also Route Pattern and NAT on the ASA, where I NAT a public IP that my ISP gave me to a private IP of my CUCM.

Neither outgoing nor incoming calls do not work.

Does anyone had a need for similar task, or maybe knows a solution for this problem.


I have this problem too.
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armingojak Mon, 01/11/2010 - 13:29


Also to mention that my ISP provided me only IP data and telephone numbering. No username and password for authentication, and I supposed that it authenticate using IP address only.



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