ETSI TS 129 332-2017 数字蜂窝通信系统(第2+阶段)(GSM全球移动通信系统);通用移动通信系统(UMTS);媒体网关控制功能(MGCF)-IM媒体网关;MN接口(V14.0.0;3GPP TS 29.332版本14.0.0 发行版本14)
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Media Gateway Control Function (MGCF) - IM Media Gateway; Mn interface (V14.0.0; 3GPP TS 29.332 version 14.0.0 Release 14)