Cisco Bug: CSCub18358 - [PI21] Montage2: SIP BAD PAIR Message seen in a CTS call
Apr 25, 2020
- Cisco IOS
Known Affected Releases
Symptom: %SIP-3-BADPAIR: Unexpected event 21 (SIPSPI_EV_CC_CODEC_LOCAL_DNLD_DONE) in state 14 (STATE_SENT_ALERTING) substate 0 (SUBSTATE_NONE) Conditions: This BADPAIR error is seen for a SIP-SIP transcoded DO call on in-leg with the call-flow having 180 Ringing followed by 183 with offer SDP and PRACK with answer SDP. Error is seen after receiving PRACK with answer.
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