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Calls to a CRA server fail after one ring when called from a remote site

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Core Issue

When the call is made through the Public Switched Telephone Network (PSTN), the call is completed successfully.

Resolution

This problem is observed when the remote sites use a non-G711 codec. Cisco Customer Response Applications (CRA) currently support only the G711 codec. Use a transcoder to resolve this issue or change the codec to G711 at the remote side, if possible.

To configure transcoding resources, refer to these documents: