This table contains the entries of P-CSCF groups with the
addresses configured. One or more IP address can be
configured per group name. This group in turn will be mapped
to the APN.
P-CSCF is a network element providing session management
services. When the UE request the GGSN for P-CSCF
address through activate PDP Request, these addresses
will be returned to the UE in the order which they are
configured.