enum ExtNetSelPoolModeDT

0: ALLOCATED_NUMBER - means that the received SIP request shall be routed.
1: UNALLOCATED_NUMBER - means that the received SIP request shall be rejected.
2: TRANSIT - means that the received request is identified to be a transit call.
3: NON_TRANSIT - means that HSS shall be queried before routing the SIP request.

References from:
ExtNetSelPoolTableEntryClass;

0
ALLOCATED_NUMBER
1
UNALLOCATED_NUMBER
2
TRANSIT
3
NON_TRANSIT