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SIP Trunk on CUCM7

armingojak
Level 1
Level 1

‎01-11-2010 01:17 PM - edited ‎03-15-2019 09:02 PM

Hello,

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.

Thanks

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armingojak
Level 1
Level 1

‎01-11-2010 01:29 PM

P.S.

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.

BR,

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