Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IMS Multimedia Telephony service; and supplementary services (3GPP TR 22.973 version 15.0.0 Release 15)
Document status: Active
Universal Mobile Telecommunications System (UMTS); Service aspects; Advanced Addressing ; (3G TR 22.975 version 3.1.0 Release 1999)
Document status: Active
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 16.0.0 Release 16)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 12.0.0 Release 12)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 11.0.0 Release 11)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 10.0.0 Release 10)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 9.0.0 Release 9)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for speech-enabled services (3GPP TR 22.977 version 8.0.0 Release 8)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Feasibility study for speech-enabled services (3GPP TR 22.977 version 7.0.0 Release 7)
Document status: Active
Universal Mobile Telecommunications System (UMTS); Feasibility study for speech-enabled services (3GPP TR 22.977 version 6.0.0 Release 6)
Document status: Active
