The Proxy-CSCF server group represented by the object
cgprsAccPtPcscfServerGroupName contains a list of
Proxy-CSCF addresses which will be provided to the MS(UE)
in the PCO (Protocol Configuration Option) response message.
The object cgprsAccPtPcscfLoadBalance when set to 'true',
enables Gateway to include the IP address of the least loaded
P-CSCF server in the PCO response message. Round Robin
algorithm is used for the selection of the least loaded
P-CSCF server.