McDewey

Expected events Action For A: ONHOLDPENDINGCONF CONFERENCED Caller = A, called = B, connected = B CONNECTED Caller = A, called = C, connected = C For A' CONNECTED INACTIVE Caller = A, celled = B, connected = B CONNECTED INACTIVE Caller = A, celled = C, connected = C For B: LINE_CALLSTATE param1 = x100, CONNECTED Caller = A, Called = B, Connected = A For C: LINE_CALLSTATE param1 = x100, CONNECTED Caller = A, Called = C, Connected = A A ‡ B A sets up conference to C, C answers For A: The scenario looks the same when primary call resumes Call-1 LINE_CALLSTATE param1 = x100, CONNECTED Caller = A, Called = B Connected B Call-2 LINE_CALLSTATE param1 = x400, HOLD Caller = A, Called = C Connected C A presses "Swap" Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 1006 Message Sequence Charts Message Sequence Charts