Universal Mobile Telecommunications System (UMTS); Service Requirement for the Open Services Access (OSA); Stage 1 3GPP TS 22.127 Version 4.2.0 Release 4
英文名称:Universal Mobile Telecommunications System (UMTS); Service Requirement for the Open Services Access (OSA); Stage 1 3GPP TS 22.127 Version 4.2.0 Release 4