Universal Mobile Telecommunications System (UMTS); Multi-mode User Equipment (UE) issues; Categories principles and procedures (3G TR 21.910 version 3.0.0 Release 1999)
Document status: Active
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release description; Release 14 (3GPP TR 21.914 version 14.0.0 Release 14)
Document status: Active
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release description; Release 15 (3GPP TR 21.915 version 15.0.0 Release 15)
Document status: Active
Universal Mobile Telecommunications System (UMTS); Feasibility Technical Report - CAMEL Control of VoIP Services (3G TR 21.978 version 3.0.0 Release 1999)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Service aspects; The Virtual Home Environment; Stage 1 (3GPP TR 22.121 version 3.3.1 Release 1999)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Service aspects; The Virtual Home Environment; Stage 1 (3GPP TR 22.121 version 4.1.1 Release 4)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Service aspects; The Virtual Home Environment; Stage 1 (3GPP TR 22.121 version 5.3.1 Release 5)
Document status: Active
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Study on Videotelephony teleservice (3GPP TR 22.903 version 16.0.0 Release 16)
Document status: Active
Universal Mobile Telecommunications System (UMTS); Study on Videotelephony teleservice (3GPP TR 22.903 version 7.0.0 Release 7)
Document status: Active
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Study on Videotelephony teleservice (3GPP TR 22.903 version 8.0.0 Release 8)
Document status: Active
