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Cisco Bug: CSCuo14192 - CtiLineCallTransferEndedNotify absent & call clear delay, under race

Last Modified

Mar 06, 2018

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

UCCX agents may become stuck in Reserved state due to the absence of CtiLineCallTransferEndedNotify;
May observe delay for call clearing, calling party is connected to dead air for almost 8 seconds after transfer target hangs up.

Due to a race condition SIPStationCdfc is in disconnect_indication12 state when it receives the CcNotifyReq, and the current logic doesn't call the CTI API at this state

transfer target hangs up at the same time when UCM is completing the transfer feature operation
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