10.2.21 MSRP handling

29.1623GPPInterworking between the IM CN subsystem and IP networksRelease 17TS

The IBCF and TrGW may support the handling of the Message Session Relay Protocol (MSRP), IETF RFC 4975 [47]. If they support MSRP handling, they shall apply the procedures as specified in the subclause 5.19 and subclause 6.2.19 of 3GPP TS 23.334 [43].