No ringback on transfer from PSTN calls coming in on IOS Gateway

Unanswered Question
Sep 10th, 2010

With Call Manager 4.1 connecting to the PSTN via an H.323 gateway, if a call
comes into a phone and it is blind transferred to another phone, the PSTN side
will only hear dead air - they will not hear ringback.

The same happens when the call is answered by an IVR (IPCCX) transfer when there is no ring back to the PSTN.


I have this problem too.
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Felipe Garrido Sat, 09/11/2010 - 08:57

Check to make sure there is an Annunciator resource in the MRG/MRGL of the gateway.

-Felipe

lavanyaps Sun, 09/12/2010 - 22:43

Hi

Let me know the running configuration in your Voice Gateway which has the PSTN termination to verify.

Regards

Lavanya

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