PGW: Music on hold cannot be heard by caller

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PGW: Music on hold cannot be heard by caller

Problem Summary When placed on hold, the caller cannot hear any music on hold media playing. After a period of time remaining on hold, the call eventually drops. An IP agent (via a Cisco Unified Communications Manager (UCM) managed IP phone) places a PSTN caller on hold.
Error Message N/A
Possible Cause The MGCP message interpretation behavior is incorrect on the IOS Media Gateway and additional configuration is needed.
Recommended Action Configure the proper IOS Media Gateway MGCP settings for MGCP message behavior.

mgcp behavior mode-attrb-in-sdp disable
no voice-fastpath enable
mgcp behavior mdcx-sdp ack-with-sdp

Release PGW 9.8(1)
Associated CDETS # None

Rating: 4.0/5 (1 vote cast)

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