/mcpKeys and NULL Option Data Type Description Name NULL DBINT The cumulative time, in seconds, that the call was put on hold by at least one agent device. A call may be put on hold by more than one agent device during its duration. The call might be finished by being abandoned, transferred, handled to completion, and so on. Note This field is used in CallHandleTimeHalf field of the Call_Type_Half_Hour table only when there is a valid CallTypeID in the Termination_Call_Detail table. Note This field indicates agent reservation time for Call Result 29. HoldTime AK-2 NOT NULL DBINT A unique number generated at the PG for every call. Values are reused after approximately 2 billion calls. ICRCallKey NULL DBINT Link to the ICRCallKey field of a child call (used for transfers and multiple-way conference calls). ICRCallKeyChild NULL DBINT Link to the ICRCallKey field of a parent call (used for transfers and conference calls). ICRCallKeyParent Database Schema Handbook for Cisco Unified Contact Center Enterprise, Release 15.0(1) 575 All Tables Termination_Call_Detail