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Cisco Bug: CSCtd72823 - Fax prot. pass-thr. causes trickle SIP-3-BADPAIR display

Last Modified

Jan 04, 2010

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)


"%SIP-3-BADPAIR: Unexpected event 21 (SIPSPI_EV_CC_CALL_FAX_PASSTHROUGH_START) in state 24 (SIP_STATE_RECD_SUCCESS) substate 0 (SUBSTATE_NONE)" events are displayed/logged.


"fax protocol pass-through g711ulaw"  is configured and voice traffic load present.
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