TAPI messages CTI messages Action LineA: LINE_CALLSTATE (LINECALLSTATE_PROCEEDING)/ LINE_CALLINFO CallReason = LINECALLREASON_DIRECT CallerID = A / CalledID = 1000 / ConnectedID = / RedirectingID = / RedirectionID = A receives CallStateChangeEvent (PROCEEDING) A:CPIC event received on party A LineA: LINE_CALLSTATE (LINECALLSTATE_RINGBACK / LINECALLSTATE_CONNECTED) CallReason = LINECALLREASON_DIRECT CallerID = A / CalledID = 1000 / ConnectedID = 1000 / RedirectingID = 1000 / RedirectionID = 1000 LINECALLINFO.dwCallID=0x00400FB1 LINECALLINFO.dwOrigin = 0x00000001 LINECALLINFO.dwReason=0x00000001 LINECALLINFO.dwCallerID = 1900 LINECALLINFO.dwCallerIDName = LINECALLINFO.dwCalledID = 1000: LINECALLINFO.dwCalledIDName = CCD Pattern LINECALLINFO.dwConnectedID = 1000 LINECALLINFO.dwConnectedIDName

LINECALLINFO.dwRedirectionID = 1000 LINECALLINFO.dwRedirectionIDName

LINECALLINFO.dwRedirectingID=1000: LINECALLINFO.dwRedirectingIDName = CCD Pattern A receives CallStateChangeEvent (Ringback/connected) Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 491 Message Sequence Charts Message Sequence Charts