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Cisco Bug: CSCvj03386 - CUCM not updating the payload type in the re-invite received from Expressway

Last Modified

May 18, 2018

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

There is a DTMF mismatch on both the call legs. 

CUCM is not updating the correct dtmf value to side A when it is received from Side B for Mid Call Invite.

Call Flow: Phone >> Originating CUCM>> gateway  >> CUCM Core >> Expressway >> Internet Bridge 

CUCM is still sending PT 99 to the originating CUCM even though it received  PT 101 in 200 OK from Side B.
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