Digital cellular telecommunications system (Phase 2+) (GSM) - Support of Mobile Number Portability (MNP) - Service description; Stage 1
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 16: Call Hold (HOLD) supplementary service (ITU-T Rec...
适用范围:The document specifies requirements in the telecommunications sector.
Integrated Services Digital Network (ISDN) - Completion of Calls to Busy Subscriber (CCBS) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specif...
适用范围:The document specifies requirements in the telecommunications sector.
Integrated Services Digital Network (ISDN) - Completion of Calls on No Reply (CCNR) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation...
适用范围:The document specifies requirements in the telecommunications sector.
Integrated Services Digital Network (ISDN) - Advice of Charge (AOC) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial P...
适用范围:The document specifies requirements in the telecommunications sector.
Terrestial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-part 7: Short number addressing (Endorsement of the English version ETS 300392-10-7:1999 as Germa...
适用范围:The document specifies requirements in the telecommunications sector.
Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No.two (DSS2) protocol - B-ISDN user-network interface layer 3 specification for basic call/bearer contro...
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 -- Specification, functional model and information flows -- Call completion ...
适用范围:Is one of a series of standards defining services and signalling protocolls applicable to Private Services Networks (PISN). The Series uses ISDN concepts as developed by ITU-T and conforms to the frame...
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Single step call transfer supplementary service (ISO/IEC 19460 (2003), modified)
适用范围:This European standard specifies requirements in the telecommunications sector.
Digital cellular telecommunications system (Phase 2) - Discontinuous Transmission (DTX) for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.81 version 4.1.1)
适用范围:This European standard specifies requirements in the telecommunications sector.
Digital cellular telecommunications system (Phase 2+) - GSM Cordless Telephony System (CTS), Phase 1 - CTS supervising system layer 3 specification
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) and Signalling System No.7 (SS7) protocols - Call Forwarding on Not Reachable(CFNRc) supplementary service...
适用范围:This European standard specifies requirements in the telecommunications sector.
Integrated Services Digital Network (ISDN) - Call Forwarding Busy (CFB) supplementary service - Functional capabilities and information flows; English version ETS 300203:1994
适用范围:The document defines the stage 2 of the Call Forwarding Busy (CFB) supplementary service.
European digital cellular telecommunications system (phase 2) - MultiParty (MPTY) supplementary services, stage 3; English version ETS 300568:1995
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