This object specifies the selector byte value of the NSAP
address for H.248 protocol.
When a SVC call setup indication from the network is received,
it will look at this object to determine the owner application
for this setup.
The value of this object can not be modified when ATM SVC
calls are up.
The value of this objects can not equal to the value of
'cvapSvcMgcpSelectorByteValue'.