McDewey

TAPI structures TAPI messages CTI messages Action LINECALLINFO (hCall-1) hLine = A dwCallID = T1 dwOrigin = OUTBOUND dwReason = DIRECT dwCallerID = A dwCalledID = B dwConnectedID = NP dwRedirectionID = NP dwRedirectionID = NP LINE_CALLSTATE hDevice = hCall-1 dwCallbackInstance = 0 dwParam1 = PROCEEDING dwParam2 = 0 dwParam3 = 0 LINE_CALLINFO hDevice = hCall-1 dwCallbackInstance = 0 dwParam1 = CALLERID, CALLEDID dwParam2 = 0 dwParam3 = 0 CallStateChangedEvent, CH = C1, State = Proceeding, Cause = CauseNoError, Reason = Direct, Calling = A, Called = B, OrigCalled = B, LR = NP, RIU = false No change LINE_CALLSTATE hDevice = hCall-1 dwCallbackInstance = 0 dwParam1 = RINGBACK dwParam2 = 0 dwParam3 = 0 CallStateChangedEvent, CH = C1, State = Ringback, Cause = CauseNoError, Reason = Direct, Calling = A, Called = B, OrigCalled = B, LR = NP, RIU = false Party A’ 3. Party B accepts call (continued) No change Ignored CallPartyInfoChangedEvent, CH = C1, CallingChanged = False, Calling = A’, CalledChanged = true, Called = B, Reason = Direct, RIU = true Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 971 Message Sequence Charts Message Sequence Charts