This TS describes the protocol to be used on the Media Gateway Controller (MGC) – Media Gateway
(MGW) interface. The Media Gateway Controllers covered in this specification are the MSC server and the GMSC
The basis for this interface profile is the H.248.1 protocol as specified in ITU-T. The usage of this protocol is described in TS 23.205
and TS 29.205
for BICC circuit switched core network, in TS 23.231
and TS 29.231
for SIP-I circuit switched core network.