TAPI messages CTI messages Action dwParam1 = 0x00004000(LINECALLSTATE_DISCONNECTED) dwParam2 = 0x00200000(LINEDISCONNECTMODE_SAFCCD) dwParam3 = 0x00000004 LINECALLINFO.dwCallID = 0x00400BCF LINECALLINFO.dwOrigin = 0x00000001 LINECALLINFO.dwReason=0x00000001 LINECALLINFO.dwCallerID = 1900 LINECALLINFO.dwCallerIDName = LINECALLINFO.dwCalledID = 10XX: LINECALLINFO.dwCalledIDName = CCD Pattern LINECALLINFO.dwConnectedID = LINECALLINFO.dwConnectedIDName

LINECALLINFO.dwRedirectionID=1000: LINECALLINFO.dwRedirectionIDName = CCD Pattern LINECALLINFO.dwRedirectingID=1000: LINECALLINFO.dwRedirectingIDName = CCD Pattern ExtendCallReason = CtiReasonSAF_CCD_PSTNFailover Provide TSPI_linegetcallinfo on the Disconnected call Basic Call Initiated From TAPI From Phone A(1900) and B(1901) on Cluster 1 B Redirects to Phone C(1000) on Cluster2 with PSTN Failover Rule Set Configuration SCCP phone A and B are registered to cluster A. Phones A and B are associated with the end-user cluster1. 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. Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 485 Message Sequence Charts Basic Call Initiated From TAPI From Phone A(1900) and B(1901) on Cluster 1 B Redirects to Phone C(1000) on Cluster2 with PSTN Failover Rule Set