McDewey

TAPI structures TAPI messages CTI messages Action LINECALLINFO (hCall-1) hLine = A dwCallID = T1 dwOrigin = OUTBOUND dwReason = DIRECT dwCallerID = A dwCalledID = NP dwConnectedID = NP dwRedirectionID = NP dwRedirectionID = NP LINE_APPNEWCALL hDevice = A dwCallbackInstance = 0 dwParam1 = 0 dwParam2 = hCall-1 dwParam3 = OWNER NewCallEven CH = C1, GCH = G1, Calling = A, Called = NP, OrigCalled = NP, LR = NP, State = Dialtone, Origin = OutBound, Reason = Direct

1. Party A goes off-hook No change LINE_CALLSTATE hDevice = hCall-1 dwCallbackInstance = 0 dwParam1 = DIALTONE dwParam2 = UNAVAIL dwParam3 = 0 CallStateChangedEvent, CH = C1, State = Dialtone, Cause = CauseNoError, Reason = Direct, Calling = A, Called = NP, OrigCalled = NP, LR = NP No change LINE_CALLSTATE hDevice = hCall-1 dwCallbackInstance = 0 dwParam1 = DIALING dwParam2 = 0 dwParam3 = 0 CallStateChangedEvent, CH = C1, State = Dialing, Cause = CauseNoError, Reason = Direct, Calling = A, Called = NP, OrigCalled = NP, LR = NP
2. Party A dials Party B Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 887 Message Sequence Charts Message Sequence Charts