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 = CALLEDID dwParam2 = 0 dwParam3 = 0 CallStateChangedEvent, CH = C1, State = Proceeding, Cause = CauseNoError, Reason = Direct, Calling = A, Called = B, OrigCalled = B, LR = NP 3. Party B accepts call 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 LINECALLINFO (hCall-1) hLine = A dwCallID = T1 dwOrigin = OUTBOUND dwReason = DIRECT dwCallerID = A dwCalledID = B dwConnectedID = B dwRedirectionID = NP dwRedirectionID = NP LINE_CALLSTATE hDevice = hCall-1 dwCallbackInstance = 0 dwParam1 = CONNECTED dwParam2 = ACTIVE dwParam3 = 0 LINE_CALLINFO hDevice = hCall-1 dwCallbackInstance = 0 dwParam1 = CONNECTEDID dwParam2 = 0 dwParam3 = 0 CallStateChangedEvent, CH = C1, State = Connected, Cause = CauseNoError, Reason = Direct, Calling = A, Called = B, OrigCalled = B, LR = NP 4. Party B answers call Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 888 Message Sequence Charts Message Sequence Charts