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Cisco Bug: CSCtb55247 - CUCM picks the wrong packetization rate proposed in inbound fastStart

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)


Inbound call from 3rd party h.323 gateway is torn down right after connect.  Unified Communications Manager sends a release complete with cause 47 media resources not available.


This has been observed when 3rd party h.323 gateway is advertising 10 msec and 20 msec as packetiation options for g729a codec.  Unified Communications Manager picks 10 msec although its configured to prefer 20 msec for phones.
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