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AMA-CUCM Troubleshooting: Best Practices for Reading Trace Files

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Connect CUCM directly to SIP ITSP without CUBE

Hi expert,

 

Is it possible to connect CUCM directly to SIP ITSP without CUBE? The ITSP provided the SIP outbound proxy address, SIP realm, SIP username and password.

 

Thank you

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Rising star

Re: Connect CUCM directly to SIP ITSP without CUBE

Yes, it is possible to create SIP Trunk directly between CMCM and ITSP but it is not recommended. Cisco strongly recommends deploying CUBE Router for SIP Trunk connectivity with ITSP. Please check these posts for more information:

https://ciscomarketing.jiveon.com/docs/DOC-9879 

https://community.cisco.com/t5/ip-telephony-and-phones/cucm-8-x-sip-to-itsp-without-router/td-p/1794024 

https://community.cisco.com/t5/ip-telephony-and-phones/sip-trunk-without-cube/td-p/2278653 

 

 

Please rate helpful posts and if applicable mark "Accept as a Solution".
Thanks, Vaijanath S.
Participant

Re: Connect CUCM directly to SIP ITSP without CUBE

If I recall correctly you can't configure an authenticated trunk directly on CUCM.

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