/mcpExpected results CTI events Action LineInitialize LineOpen on A , LineOpen on B with new ExtVesrion 0x000A0000 For A LINE_CALLDEVSPECIFIC event is received dwParam1=SLDSMT_LINECALLINFO_ DEVSPECIFICDATA dwParam2 = SLDST_UNIQUE_CALL_REF_ID_INFO dwParam3 = 0 For B LINE_CALLDEVSPECIFIC event is received dwParam1=SLDSMT_LINECALLINFO_ DEVSPECIFICDATA dwParam2 = SLDST_UNIQUE_CALL_REF_ID_INFO dwParam3 = 0 NewCallEvent received for A NewCallEvent received for B A calls B LINECALLINFO::DEVSPECIFIC would contain Unique Call Reference A1 LineGetCallInfo on A LINECALLINFO::DEVSPECIFIC would contain Unique Call Reference B1 LineGetCallInfo on B For C LINE_CALLDEVSPECIFIC event is received dwParam1=SLDSMT_LINECALLINFO_ DEVSPECIFICDATA dwParam2 = SLDST_UNIQUE_CALL_REF_ID_INFO dwParam3 = 0 NewCallEvent received for C B redirects call to C.C answers the call LINECALLINFO::DEVSPECIFIC would contain Unique Call Reference A1 LineGetCallInfo on A LINECALLINFO::DEVSPECIFIC would contain Unique Call Reference C1 LineGetCallInfo on C Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 700 Message Sequence Charts Message Sequence Charts