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Cisco Bug: CSCvu40056 - CUCM sends INVITE with SDP containing no codec but with valid port.

Last Modified

Sep 18, 2020

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.5(2.10000.5) 11.5(1.10000.6) 12.0(1.10000.10) 12.5(1.10000.22)

Description (partial)

INVITE with no codecs in SDP would be sent by CUCM.

1.)	Race condition between Recording establishment & REFER invocation should happen. 
2.)	‘SIPCallStateInd’ signal which denotes the recording ‘start’ should be processed during media renegotiation as part of REFER from traces.
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