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Cisco Bug: CSCun62928 - CUCM not translating SIP KPML to RFC2833 DTMF after transfer

Last Modified

Dec 28, 2018

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

CIPC(SIP)[Phone 1]----CUCM1=======SIPTrunk(Prefer RFC)============================(Prefer RFC)---------------------CUCM2---------------CIPC(SIP)[Phone2]
                                                                                                                                                                                                                                                                                                                |-----CIPPC(SIP)[MTP Required Check][Phone 3]

-	Phone1 calls Phone2.
-	Phone 2 transfers the call to Phone 3. .
-	Digits presses on Phone 1 can't be heard by Phone 3.

1) Call is established across a Phone via SIPTrunk.
2) Phone 2 transfers the call to Phone3.
2) Phone 3 has MTP/TRP required check.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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