Cisco Bug: CSCut27483 - SIP KPML dtmf broken during call transfer.
Mar 29, 2017
- Cisco Unified Communications Manager (CallManager)
Known Affected Releases
Endpoint support for unsolicited notify dtmf is not removed correctly by sme,which results in transition from kpml->unsolicited notify by sme when the leaf node has broken media Symptom: Symptoms:- SIP KPML DTMF not working, UCM is not forwarding the digits to CUC for cross-server login. SME cluster not subscribing for kpml, even leaf included KPML in the sip messages. Conditions: In this specific case, we observed in the below call flow, but it could happen on other call flows as well. Call flow:- H323 GW -----UCM leaf 1 ----SCCP ---CUC cluster 1 ---transfers ---SCCP --Leaf 1 ----SIP ---SME ----Leaf 2 ----SIP ---CUC cluster 2 DTMF preference in sip trunk:- No preference. H323 GW: - h225-signal.
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