Digital cellular telecommunications system (Phase 2) - Comfort noise aspects for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.62 version 4.0.1)
适用范围:This European standard specifies requirements in the telecommunications sector.
Digital cellular telecommunications system (Phase 2+) (GSM) - Support of Mobile Number Portability (MNP) - Technical Realisation; Stage 2
适用范围:This European standard specifies requirements in the telecommunications sector.
Integrated Services Digital Network (ISDN) - Call Deflection (CD) supplementary service - Service description; English version ETS 300202:1994
适用范围:The document defines the stage 1 of the Call Deflection (CD) supplementary service.
Digital cellular telecommunications system (Phase 2+) (GSM) - Comfort noise aspects for Adaptive Multi-Rate (AMR) speech traffic channels
适用范围:This European standard specifies requirements in the telecommunications sector.
Private Integrated Services Network (PISN) - Specification, functional models and information flows - Call transfer supplementary service (ISO/IEC 13865 (2003), modified)
适用范围:This European standard specifies requirements in the telecommunications sector.
Integrated Services Digital Network (ISDN) - Call Hold (HOLD) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protoc...
适用范围:The document specifies requirements in the telecommunication sector.
European digital cellular telecommunications system (Phase 2) - Call Barring (CB) supplementary services - Stage 2; English version ETS 300548:1995
适用范围:The document describes the Call Barring (CB) supplementary services, stage 2 at the european digital cellular telecommunications system (phase 2).#,,#
Integrated Services Digital Network (ISDN) - Explicit Call Transfer (ECT) supplementary service - Service description (Endorsement of the English version EN 300367 V 1.2.1 (1998-10) as German standard)...
适用范围:The document specifies requirements in the telecommunications sector.
Digital cellular telecommunications system (Phase 2+) - Link adaptation
适用范围:This European standard specifies requirements in the telecommunications sector.
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocolCompletion of Calls on No Reply (CCNR) supplementary service; - Part 6: Abstract Test Suite (ATS...
适用范围:This European standard specifies requirements in the telecommunications sector.
Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Inter-exchange signalling protocol -- Call Identification and Call Linkag...
适用范围:This International Standard specifies the signalling protocol for the support of the Call Identification and Call Linkage Additional Network Feature (ANF-CIDL) at the Q reference point between Private ...
Digital cellular telecommunications system (Phase 2+) - GSM Cordless Telephony System (CTS), Phase 1 - Lower layers of the CTS radio interface; Stage 2
适用范围:This European standard specifies requirements in the telecommunications sector.
Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface - Part 19: Three-Party (3PTY) supplementary service (ITU-T Re...
适用范围:The document specifies requirements in the telecommunications sector.
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