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SNR Issues when calling from EXTERNAL PSTN Number
SNR Issues when calling from EXTERNAL PSTN Number to RING Remote Destination number:
Scenario: External PSTN Number —> Gateway —> CUCM—–>IP Phone —-(SNR –> RDP—>RD ) —>Gateway—-> External PSTN Number defined in the RD
Normally SNR works for internal extensions only , If you need to allow SNR to work for External Calls you need to allow below parameters in the CUCM to generate the Call from Called ( Internal Extension )
As Suggested by TAC I tuned the below Parameters and it worked.
We can forced CUCM to send you DID instead of the original caller ID.
Please go to the H323 configuration page on CUCM look for – “Call Routing Information – Outbound Calls” – let me know what you have under “Calling Party Selection” this parameter needs to be set to “Last Redirect Number”
Also go to System – Service Parameter – select the publisher — Cisco CallManager (Active) and look for “Honor Gateway or Trunk Outbound Calling Party Selection for Mobile Connect Calls” – This parameter needs to be set to TRUE.
