McDewey

SCCP phone C(1000) registered to cluster B. Phones C are associated with the end-user cluster2. CUCM learns a pattern 10XX, plus PSTN failover rule as 0:1408972 from SAF network. Procedure Application monitors A and B. Application sends a lineMakeCall at A to call B. Table 55: Basic Call Initiated From TAPI From Phone A and B on Cluster 1, B Transfers to Phone C(1000) on Cluster 2 with PSTN Failover Rule TAPI messages CTI messages Action A: LINE_APPNEWCALL, LINE_CALLSTATE (LINECALLSTATE_DIALTONE/ LINECALLSTATE_DIALING, LINECALLSTATE_CONNECTED,) B: LINE_APPNEWCALL, LINE_CALLSTATE (LINECALLSTATE_OFFERING/ LINECALLSTATE_RINGING, LINECALLSTATE_CONNECTED) A receives NewCallEvent and CallStateChangeEvent (Dialtone/Dialing/Proceeding /ringback/connected). B receives NewCallEvent and CallStateChangeEvent (offering/ringing/ connected) A(1900) dials B(1901) Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 487 Message Sequence Charts Procedure