Called Identification
Called identification identifies the original destination address for a session. In situations where a session was redirected, forwarded, or transferred, this will be different than the connected identification.
Not all service providers support use of this information.
TAPI 2.x: See lineGetCallInfo (dwCalledIDFlags, dwCalledIDSize, dwCalledIDOffset, dwCalledIDNameSize, dwCalledIDNameOffset, and dwCalledIDAddressType members of lpCallInfo).
TAPI 3.x: See ITCallInfo::get_CallInfoLong (CIL_CALLEDIDADDRESSTYPE member of CALLINFO_LONG), ITCallInfo::get_CallInfoString (CIS_CALLEDIDNAME and CIS_CALLEDIDNAME members of CALLINFO_STRING).