The maximum amount of time, in minutes, that can elapse
when there is no activity on the x25 virtual circuit
before it is cleared. This applies to the first virtual
circuit established for a particular DTE address. IF
more than one virtual circuit is established for the same
DTE address, all are cleared (except for the first one
established) when the first virtual circuit is not
experiencing congestion.
NOTE: this object is no longer supported by NETBuilders
running sw version 8.0 and greater.