Cisco Unified IP Phones display call history information, which includes placed calls. For placed calls, the phone displays the dialed digits or the dialed universal resource identifier (URI), and in many cases the name of the dialed user. However, in Cisco Unified Communications Manager (Unified CM) releases earlier than Release 9.0 there were scenarios, such as Call Forwarding, in which IP phones displayed "Unknown" in the placed call history, even when the called party had a valid name configured.
In Unified CM Release 9.0 and later releases, SIP phones supporting the Originally Called Party Name in Placed Call History feature always display the name of the originally called party when the dialed party has a valid name configured and its presentation is not restricted. Unified CM provides the name to the calling SIP phone, which allows the SIP phone to populate the name in the placed call history accurately, even when a call is forwarded by the called party.
Unified CM indicates the alerting name of the originally called party to the calling SIP phone. If an alerting name is not configured for the originally called party, but the originally called party answers the call, Unified CM will send the connected display name of the originally called party if configured. If the called party has Calling Line ID Restricted (CLIR) enabled, Unified CM indicates that the name is private and the calling phone does not display name information in the placed call history.
Neither the end user nor the administrator needs to make configuration changes to enable the Originally Called Party Name in Placed Call History feature.