/mcpCDRs use the Partition/Extension Numbers that are shown in the following table: Table 87: Partition/Extension Numbers in CDRs Description Phone Number This party placed the call. For transferred calls, the transferred party becomes the calling party. callingPartyNumber This number designates the originally called party, after any digit translations have occurred. originalCalledPartyNumber For forwarded calls, this number designates the last party to receive the call. For non-forwarded calls, this field shows the original called party. finalCalledPartyNumber For forwarded calls, this field designates the last party to redirect the call. For non-forwarded calls, this field shows the last party to redirect (such as transfer and conference) the call. lastRedirectDn This number identifies the partition name that is associated with the CallingPartyNumber field. This field uniquely identifies this number because the Unified Communications Manager supports multiple Cisco Unified IP Phones with the same extension number in different partitions. For calls that ingress through a gateway, this field remains blank. callingPartyNumberPartition This number identifies the partition name that is associated with the OriginalCalledPartyNumber field. This field uniquely identifies this number because the Unified Communications Manager supports multiple Cisco Unified IP Phones with the same extension number in different partitions. For calls that egress through a gateway, this field specifies the partition name that is associated with the route pattern that pointed to the gateway. originalCalledPartyNumberPartition This number identifies the partition name that is associated with the FinalCalledPartyNumber field. This field uniquely identifies this number because the Unified Communications Manager supports multiple Cisco Unified IP Phones with the same extension number in different partitions. For calls that egress through a gateway, this field specifies the partition name that is associated with the route pattern that pointed to the gateway. finalCalledPartyNumberPartition Call Reporting and Billing Administration Guide for Cisco Unified Communications Manager, Release 15 and SUs 209 CDR Records Partitions and Numbers