callHistoryRetainTimer
The minimum amount of time that an callHistoryEntry will be maintained before being deleted. A value of 0 will prevent any history from being retained in the callHistoryTable, but will neither prevent callCompletion traps being generated nor affect other tables.
Used by conformance groups
1 objects- 1.3.6.1.2.1.10.21.3.2.3 callHistoryGroup