Public Switched Telephone Networki

Public Switched Telephone Networki, Total:207 items.

The international standard classification for "Public Switched Telephone Networki" includes: Telecommunication systems in general , Other equipment for telecommunication systems , Data communication networks .

The Chinese standard classification for "Public Switched Telephone Networki" includes: Communication network performance index and testing , Telephone communication equipment , Communication network in general , Communication equipment in general , Data communication equipment , Telecommunication technical requirements and interface , Railway communication network .

Professional Standard - Post and Telecommunication

YD/T 751-1995 Test Method for Networking of Digital Office Telephone Exchange Equipment in Public Telephone Network
YD/T 785-1995 Technical requirements for videotex user terminal equipment (VT) to enter public switched telephone network
YD/T 1887-2009 Picture Coding for Low Bit Rate PSTN Terminal
YD/T 803-1996 Method for detecting videotex terminal (VT) accessing to public switched telephone network
YD/T 1704-2007 General Technical Requirement for Intelligentized PSTN Network
YD/T 2020-2009 Technical requirement for subscriber database (SDB) of PSTN
YD/T 752-1995 Test method for networking of analog office SPC telephone exchange equipment in public telephone network

Military Standard of the People's Republic of China-General Armament Department

GJB 2539.1-1995 Interface between voice band modem and public network Interconnection between Public Data Network (PDN) and Public Switched Telephone Network (PSTN)
GJB 2965-1997 Initiated session procedures for data transmission over the public switched telephone network

Professional Standard - Railway

TB/T 1688-1993 Railway Telephone Switching Network - User Signaling
TB/T 2088-1989 Transmission Attenuation of Railway Telephone Switching Network
TB/T 1693-1995 Railway Telephone Switching Network - Signal Interface of Automatic Telephone Exchanger
TBn 1-1985 Automatic Long-distance Telephone Numbering for Railway Switched Telephone Network

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 3378-1982 Subscriber line signalling system for telephone automatic switching network
GB 3378-1982 Subscriber line signalling system for telephone automatic switching network
GB/T 17801-1999 Interface between data terminal equipment （DTE）and data circuit-terminating equipment （DCE）for terminals operating in the packet mode and accessing a packet switched public data network through a public switched telephone network or an integrated ser
GB/T 14133-1993 The transmission performance objectives for mixed analogue-digital public telephone automatic switching network

Taiwan Provincial Standard of the People's Republic of China

CNS 13485-1995 Allocation of Loudness Ratings for Domestic Public Switched Telephone Networks

Spanish Association for Standardization (UNE)

UNE-ETS 300002 Ed2:2004 Public Switched Telephone Network (PSTN); Category II specification for 9 600 or 4 800 bits per second duplex modems standardized for use on the PSTN (Endorsed by AENOR in September of 2004.)
UNE-ETS 300115 Ed2:2003 Public Switched Telephone Network (PSTN); Category II specification for 300 bit/s duplex modems standardized for use on the PSTN (Endorsed by AENOR in November of 2003.)
UNE-ETS 300118 Ed2:2022 Public Switched Telephone Network (PSTN);Category II specification for 1 200 bits per second half duplex and 1 200/75 bits per second asymmetrical duplex modems standardized for use on the PSTN (Endorsed by Asociación Española de Normalización in Ma...
UNE-ETS 300492 Ed1:2022 Public Switched Telephone Network (PSTN);Category II specification for 14 400, 12 000, 9 600, 7 200 and 4 800 bits per second duplex modems standardized for use on the PSTN (Endorsed by Asociación Española de Normalización in September of 2022.)
UNE-ETS 300649 Ed1:2022 Public Switched Telephone Network (PSTN);Calling Line Identification Restriction (CLIR) supplementary service;Service description (Endorsed by Asociación Española de Normalización in December of 2022.)
UNE-ETS 300116 Ed2:2022 Public Switched Telephone Network (PSTN);Category II specification for 1 200 bits per second duplex modems standardized for use on the PSTN (Endorsed by Asociación Española de Normalización in March of 2022.)
UNE-ETS 300648 Ed1:2022 Public Switched Telephone Network (PSTN);Calling Line Identification Presentation (CLIP) supplementary service;Service description (Endorsed by Asociación Española de Normalización in December of 2022.)
UNE-ETS 300114 Ed2:2022 Public Switched Telephone Network (PSTN);Basic Category I and Category II specifications for modems standardized for use on the PSTN (Endorsed by Asociación Española de Normalización in March of 2022.)
UNE-ETS 300117 Ed2:2022 Public Switched Telephone Network (PSTN);Category II specification for 2 400 bits per second duplex modems standardized for use on the PSTN (Endorsed by Asociación Española de Normalización in March of 2022.)
UNE-ETS 300001 Ed3:2004 Attachments to the Public Switched Telephone Network (PSTN); General technical requirements for equipment connected to an analogue subscriber interface in the PSTN (Endorsed by AENOR in September of 2004.)
UNE-ETS 300001 Ed4:2004 Attachments to the Public Switched Telephone Network (PSTN); General technical requirements for equipment connected to an analogue subscriber interface in the PSTN (Endorsed by AENOR in September of 2004.)
UNE-ETS 300001 Ed1:2004 Attachments to the Public Switched Telephone Network (PSTN); General technical requirements for equipment connected to an analogue subscriber interface in the PSTN (Candidate NET 4) (Endorsed by AENOR in September of 2004.)
UNE-ETS 300001 Ed2:2004 Attachments to the Public Switched Telephone Network (PSTN); General technical requirements for equipment connected to an analogue subscriber interface in the PSTN (Endorsed by AENOR in September of 2004.)
UNE-EN 300001 V1.5.1:2003 Attachments to the Public Switched Telephone Network (PSTN); General technical requirements for equipment connected to an analogue subscriber interface in the PSTN (Endorsed by AENOR in September of 2003.)

International Telecommunication Union (ITU)

ITU-T E.434 FRENCH-1992 Subscriber-to-Subscriber Measurement of Public Switched Telephone Network (Study Group II) 11 pp
ITU-T E.434 SPANISH-1992 Subscriber-to-Subscriber Measurement of Public Switched Telephone Network (Study Group II) 11 pp
ITU-T E.470 FRENCH-2005 Operational considerations for QoS of voice over IP-based networks with PSTN-IP-PSTN architecture
ITU-T E.470 SPANISH-2005 Operational considerations for QoS of voice over IP-based networks with PSTN-IP-PSTN architecture
ITU-T L.17 APP 1 FRENCH-1997 Implementation of connecting customers into the public switched telephone network (PSTN) via optical fibres Appendix I: Examples of possible applications
ITU-T T.10 BIS FRENCH-1988 DOCUMENT FACSIMILE TRANSMISSIONS IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T V.100-1988 INTERCONNECTION BETWEEN PUBLIC DATA NETWORKS (PDNS) AND THE PUBLIC SWITCHED TELEPHONE NETWORKS (PSTN)
ITU-T V.100 FRENCH-1988 INTERCONNECTION BETWEEN PUBLIC DATA NETWORKS (PDNs) AND THE PUBLIC SWITCHED TELEPHONE NETWORKS (PSTN)
ITU-T V.100 SPANISH-1988 INTERCONNECTION BETWEEN PUBLIC DATA NETWORKS (PDNs) AND THE PUBLIC SWITCHED TELEPHONE NETWORKS (PSTN)
ITU-T X.32-1996 Interface between Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE) for Terminals Operating in the Packet Mode and Accessing a Packet Switched Public Data Network Through a Public Switched Telephone Network or an Integrated Servic
ITU-T V.23 FRENCH-1988 600/1200-BAUD MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T V.27 TER-1988 4800/2400 BITS PER SECOND MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T L.17 APP 1 SPANISH-1997 Implementation of connecting customers into the public switched telephone network (PSTN) via optical fibres Appendix I: Examples of possible applications
ITU-T I.530-1988 Network interworking between an ISDN and a public switched telephone network (PSTN)
ITU-T I.530 FRENCH-1993 NETWORK INTERWORKING BETWEEN AN ISDN AND A PUBLIC SWITCHED TELEPHONE NETWORK (PSTN)
ITU-T T.30 FRENCH-2005 Procedures for document facsimile transmission in the general switched telephone network
ITU-T T.30 SPANISH-2005 Procedures for document facsimile transmission in the general switched telephone network
ITU-T I.530 SPANISH-1993 NETWORK INTERWORKING BETWEEN AN ISDN AND A PUBLIC SWITCHED TELEPHONE NETWORK (PSTN)
ITU-T I.572-2000 VSAT Interconnection with the PSTN - Series I: Integrated Services Digital Network Internetwork Interfaces Study Group 13
ITU-T V.26 BIS-1988 2400/1200 BITS PER SECOND MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T V.100-1984 Interconnection between public data networks (PDNs) and the public switched telephone network (PSTN)
ITU-T X.122-1988 Numbering plan interworking between a packet switched public data network (PSPDN) and an integrated services digital network (ISDN) or public switched telephone network (PSTN) in the short-term
ITU-T V.26 BIS FRENCH-1988 2400/1200 BITS PER SECOND MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T V.8-2000 Procedures for Starting Sessions of Data Transmission over the Public Switched Telephone Network - Series V: Data Communication over the Telephone Network - General Study Group 16
ITU-T V.26 BIS SPANISH-1988 2400/1200 BITS PER SECOND MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T E.434-1992 Subscriber-to-Subscriber Measurement of Public Switched Telephone Network (Study Group II) 11 pp
ITU-T V.8-1994 (WITHDRAWN) Procedures for Starting Sessions of Data Transmission over the General Switched Telephone Network - Data Communication over the Telephone Network (Study Group 14) 14 pp
ITU-T V.23-1988 600/1200-BAUD MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T X.32-1988 Interface between DTE and DCE for terminals operating in the packet mode and accessing a packet switched public data network through a public switched telephone network or an ISDN or a circuit switched public data network
ITU-T I.530-1993 NETWORK INTERWORKING BETWEEN AN ISDN AND A PUBLIC SWITCHED TELEPHONE NETWORK (PSTN)
ITU-T T.5-1998 Test methodology for Group 3 facsimile processing equipment in the Public Switched Telephone Network
ITU-T V.22-1988 1200 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORKAND ON POINT-TO-POINT 2-WIRELEASED TELEPHONE-TYPE CIRCUITS
ITU-T L.255-1995 Implementation of connecting customers into the public switched telephone network (PSTN) via optical fibres
ITU-T T.30-1984 Procedures for document facsimile transmission in the general switched telephone network
ITU-T V.8 SPANISH-2000 Procedures for starting sessions of data transmission over the public switched telephone network
ITU-T V.8 FRENCH-2000 Procedures for starting sessions of data transmission over the public switched telephone network
ITU-T H.11-1984 Characteristics of circuits in the switched telephone network
ITU-T V.21-1988 300 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T I.572 SPANISH-2000 VSAT Interconnection with the PSTN - Series I: Integrated Services Digital Network Internetwork Interfaces Study Group 13
ITU-T V.23-1976 600/1200-baud modem standardized for use in the general switched telephone network
ITU-T Y.2031-2006 PSTN/ISDN emulation architecture Study Group 13
ITU-T L.255/L.17-1995 Implementation of connecting customers into the public switched telephone network (PSTN) via optical fibres
ITU-T I.572 FRENCH-2000 VSAT Interconnection with the PSTN - Series I: Integrated Services Digital Network Internetwork Interfaces Study Group 13
ITU-R BT.1435 SPANISH-2000 DIGITAL SOUND AND TELEVISION BROADCASTING INTERACTION CHANNEL THROUGH THE PSTN/ISDN
ITU-R BT.1435 FRENCH-2000 Digital Sound and Television Broadcasting Interaction Channel Through the PSTN/ISDN
ITU-T U.205-1993 Store-and-Retrieve Facility for the Delivery of Messages from a Terminal of the International Telex Service to a Data Terminal Equipment Which Connects to a Packet-Switched Public Data Network over the Public Switched Telephone Network - Telegraph Switchi
ITU-T Y.2262-2006 PSTN/ISDN emulation and simulation Study Group 13
ITU-T H.11-1980 Characteristics of circuits in the switched telephone network
ITU-T X.32-1986 Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and accessing a packet switched public data network through a public switched telephone network or a circuit switched p
ITU-T H.11-1976 Characteristics of circuits in the switched telephone network
ITU-T FASCICLE VI.12 Public Land Mobile Network Interworking with ISDN and PSTN. Recommendations Q.1000 - Q.1032 (Study Group XI)
ITU-T E.671-2000 Post-Selection Delay in PSTN/ISDN Networks Using Internet Telephony for a Portion of the Connection Study Group 2
ITU-T E.671 FRENCH-2000 Post-Selection Delay in PSTN/ISDN Networks Using Internet Telephony for a Portion of the Connection Study Group 2
ITU-R F.1400 SPANISH-1999 Performance and Availability Requirements and Objectives for Fixed Wireless Access to Public Switched Telephone Network
ITU-T V.61 CORR 1-2005 A simultaneous voice plus data modem operating at a voice plus data signalling rate of 4800 bit/s with optional automatic switching to data-only signalling rates of up to 14 400 bit/s for use on the General Switched Telephone Network and on leased point-t
ITU-T T.30-1980 Procedures for document facsimile transmission in the general switched telephone network
ITU-T Y.2261 SPANISH-2006 PSTN/ISDN evolution to NGN
ITU-T E.671 SPANISH-2000 Post-Selection Delay in PSTN/ISDN Networks Using Internet Telephony for a Portion of the Connection Study Group 2
ITU-T T.30-1976 Procedures for document facsimile transmission in the general switched telephone network
ITU-T Q.1112-1988 Procedures for interworking between INMARSAT Standard-B system and the international public switched telephone network/ISDN
ITU-T V.61-1996 Simultaneous Voice Plus Data Modem Operating at a Voice Plus Data Signalling Rate of 4800 Bit/s with Optional Automatic Switching to Data-Only Signalling Rates of up to 14 400 Bit/s for Use on the General Switched Telephone Network and on Leased Point-to-
ITU-T T.30-1992 Procedures for document facsimile transmission in the general switched telephone network
ITU-T Q.70-1984 Interworking of the international automatic land mobile service and the public switched telephone network

Association Francaise de Normalisation

FD Z81-014:1996 Public switched telephone network. Transmission characteristics for private telephone switching systems.
FD Z81-016:1996 Public switched telephone network. Digital attachment of a private time division switch to a public network switch.
FD Z81-015:1996 Public switched telephone network. Analogue network interface for private switching systems.
FD Z81-017:1996 Public switched telephone network. Analogue network interface for telephone and telematic equipment.
FD Z81-010:1998 Public switched telephone network. Recommendation upon telephone traffic flows in private communication systems.
NF Z81-117*NF ETS 300117:1993 Attachments to the public switched telephone network (PSTN). Category II attachment for 2400 bits per second duplex modems standardized for use on the pstn (candidate NET 23).
NF Z81-116*NF ETS 300116:1993 Attachments to the public switched telephone network (PSTN). Category II attachment for 1200 bits per second duplex modems standardized for use on the pstn (candidate NET 22).
NF ETS 300713:2001 Telecommunications - Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Televoting Service (VOT) - Description of the service
FD Z81-011:1996 Télécommunications - Réseau téléphonique public commuté - Spécifications techniques d'agrément des déviateurs d'appel.

European Telecommunications Standards Institute (ETSI)

ETSI ES 200 677 V1.2.1 (1998-03)-1998 Public Switched Telephone Network (PSTN); Requirements for handset telephony
ETSI I-ETS 300 677-1996 Public Switched Telephone Network (PSTN); Requirements for Handset Telephony
I-ETS 300 677-1996 Public Switched Telephone Network (PSTN); Requirements for Handset Telephony
ETSI PRI-ETS 300 677-1996 Public Switched Telephone Network (PSTN); Requirements for Handset Telephony
PRI-ETS 300 677-1995 Public Switched Telephone Network (PSTN); Requirements for Handset Telephony
ETSI PRI-ETS 300 677-1995 Public Switched Telephone Network (PSTN); Requirements for Handset Telephony
ETSI I-ETS 300 677 ed.1 (1996-11)-1996 Public Switched Telephone Network (PSTN); Requirements for handset telephony
PRI-ETS 300 677-1996 Public Switched Telephone Network (PSTN); Requirements for Handset Telephony
ETSI ES 200 677-1998 Public Switched Telephone Network (PSTN); Requirements for Handset Telephony
ES 200 677-1998 Public Switched Telephone Network (PSTN); Requirements for Handset Telephony (V1.2.1)
ES 200 677-1997 Public Switched Telephone Network (PSTN); Requirements for Handset Telephony (V1.2.1)
ETSI ETS 300 114 ed.2 (1996-05)-1996 Public Switched Telephone Network (PSTN); Basic Category I and Category II specifications for modems standardized for use on the PSTN
ETSI ETR 150 ed.1 (1994-09)-1994 V5 interface; Public Switched Telephone Network (PSTN) mappings
I-ETS 300 480-1996 Public Switched Telephone Network (PSTN); Testing Specification for Analogue Handset Telephony
ETSI NET 4-1994 Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment to Be Connected to an Analogue Subscriber Interface in the PSTN
ETSI I-ETS 300 480-1996 Public Switched Telephone Network (PSTN); Testing Specification for Analogue Handset Telephony
ETSI ETS 300 002-1996 Public Switched Telephone Network (PSTN); Category II Specification for 9 600 or 4 800 Bits per Second Duplex Modems Standardized for Use on the PSTN
ETSI TR 101 183 V1.1.1 (1998-05)-1998 Public Switched Telephone Network (PSTN); Analogue ringing signals
TR 101 183-1998 Public Switched Telephone Network (PSTN); Analogue Ringing Signals (V1.1.1)
ETR 150-1994 Signalling Protocols and Switching (SPS); V5 Interface Public Switched Telephone Network (PSTN) Mappings
ETS 300 114-1996 Public Switched Telephone Network (PSTN); Basic Category I and Category II Specifications for Modems Standardized for Use on the PSTN
PRETS 300 114-1996 Public Switched Telephone Network (PSTN); Basic Category I and Category II Specifications for Modems Standardized for Use on the PSTN Second Edition
ETSI ETR 150-1994 Signalling Protocols and Switching (SPS); V5 Interface Public Switched Telephone Network (PSTN) Mappings
ETSI PRETS 300 114-1996 Public Switched Telephone Network (PSTN); Basic Category I and Category II Specifications for Modems Standardized for Use on the PSTN Second Edition
ETSI I-ETS 300 480 ed.1 (1996-01)-1996 Public Switched Telephone Network (PSTN); Testing specification for analogue handset telephony
ETSI ES 202 314-2-2005 Fixed network Multimedia Messaging Service (F-MMS); PSTN/ISDN; Part 2: PSTN/ISDN; Service description (V1.1.2)
ETSI TR 101 183-1998 Public Switched Telephone Network (PSTN); Analogue Ringing Signals (V1.1.1)
ETSI ETS 300 001-1992 Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment Connected to an Analogue Subscriber Interface in the PSTN Chapter 2: DC Characteristics (Candidate NET 4)
ETSI ETR 206-1995 Public Switched Telephone Network (PSTN); Multifrequency Signalling System to Be Used for Push-Button Telephones; (CEPT Recommendation T/CS 46-02 E (1985))
ETSI ETS 300 713 ed.1 (1997-03)-1997 Integrated Services Digital Network (ISDN); Public Switched Telephone Network (PSTN); Televoting (VOT) service; Service description
ETSI ETS 300 001-1996 Attachments to Public Switched Telephone Network (PSTN); General Technical Requirements for Equipment Connected to an Analogue Subscriber Interface in the PSTN Chapter 3: Ringing Signal Characteristics
ETSI ETR 201-1995 Public Switched Telephone Network (PSTN); Register-Recall; (CEPT Recommendation T/CS 20-09 E (1980))
ETSI ETR 202-1995 Public Switched Telephone Network (PSTN); Real Time Clock; (CEPT Recommendation T/CS 20-18 E (1981))
ETSI TR 101 768 V1.1.1 (2000-12)-2000 Public Switched Telephone Network (PSTN); Study on the generation of analogue ringing signals
ETSI ETR 201 ed.1 (1995-09)-1995 Public Switched Telephone Network (PSTN); Register-recall [CEPT Recommendation T/CS 20-09 E (1980)]
PRI-ETS 300 837-1997 Public Switched Telephone Network (PSTN); Terminals for Low Bit-Rate Multimedia Communication
I-ETS 300 837-1998 Public Switched Telephone Network (PSTN); Terminals for Low Bit-Rate Multimedia Communication
ETSI PRI-ETS 300 837-1997 Public Switched Telephone Network (PSTN); Terminals for Low Bit-Rate Multimedia Communication
ETSI I-ETS 300 837-1998 Public Switched Telephone Network (PSTN); Terminals for Low Bit-Rate Multimedia Communication
ETSI I-ETS 300 837 ed.1 (1998-01)-1998 Public Switched Telephone Network (PSTN); Terminals for low bit-rate multimedia communication
ETSI PRI-ETS 300 480-1995 Public Switched Telephone Network (PSTN); Testing Specification for Analogue Handset Telephony First Edition
PRI-ETS 300 480-1995 Terminal Equipment (TE); Attachments to the Public Switched Telephone Network (PSTN); Testing Specification for Analogue Handset Telephony
ETSI ETS 300 801-1997 Digital Video Broadcasting (DVB); Interaction Channel Through Public Switched Telecommunications Network (PSTN)/Integrated Services Digital Network (ISDN)
TR 102 089-1998 Public Switched Telephone Network (PSTN); Selection of a Specific Terminal of Terminal Function (V1.1.1)
ETSI ETR 206 ed.1 (1995-09)-1995 Public Switched Telephone Network (PSTN); Multifrequency signalling system to be used for push-button telephones [CEPT Recommendation T/CS 46-02 E (1985)]
ETR 206-1995 Public Switched Telephone Network (PSTN); Multifrequency Signalling System to Be Used for Push-Button Telephones; (CEPT Recommendation T/CS 46-02 E (1985))
ETSI PRETS 300 711-1996 Integrated Services Digital Network (ISDN); Public Switched Telephone Network (PSTN); Virtual Card Calling (VCC); Service Description
ETSI TR 102 089 V1.1.1 (1998-12)-1998 Public Switched Telephone Network (PSTN); Selection of a specific terminal or terminal function
TR 101 768-2000 Public Switched Telephone Network (PSTN); Study on the Generation of Analogue Ringing Signals (V1.1.1)
ETSI PRETS 300 117-1995 Terminal Equipment (TE); Attachments to the Public Switched Telephone Network (PSTN); Category II Attachment Requirements for 2 400 Bits per Second Duplex Modems Standardized for Use on the PSTN Second Edition
ETSI PRETS 300 713-1996 Integrated Services Digital Network (ISDN); Public Switched Telephone Network (PSTN); Televoting (VOT) Service; Service Description
ETSI PRETS 300 712-1996 Integrated Services Digital Network (ISDN); Public Switched Telephone Network (PSTN); Premium Rate (PRM) Service; Service Description
ETSI ETR 207-1995 Public Switched Telephone Network (PSTN); Alternative Sender for Multifrequency Signalling System to Be Used for Push-Button Telephones; (CEPT Recommendation T/STI 46-04 E (1986))
ETR 201-1995 Public Switched Telephone Network (PSTN); Register-Recall; (CEPT Recommendation T/CS 20-09 E (1980))
ETSI ETR 202 ed.1 (1995-09)-1995 Public Switched Telephone Network (PSTN); Real time clock [CEPT Recommendation T/CS 20-18 E (1981)]
ETSI PRETS 300 710-1996 Integrated Services Digital Network (ISDN); Public Switched Telephone Network (PSTN); Universal Access Number (UAN) Service; Service Description
ETR 202-1995 Public Switched Telephone Network (PSTN); Real Time Clock; (CEPT Recommendation T/CS 20-18 E (1981))

Danish Standards Foundation

DS/I-ETS 300480:1997 Public Switched Telephone Network (PSTN) - Testing specification for analogue handset telephony
DS/ETS 300114:1997 Public Switched Telephone Network (PSTN) - Basic Category I and Category II specifications for modems standardized for use on the PSTN
DS/ETS 300713:1998 Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Televoting (VOT) service - Service description

Lithuanian Standards Office

LST L I-ETS 300 480-1997 Public switched telephone network (PSTN). Testing specification for analogue handset telephony
LST ETS 300 713 Leid. 1-2006 Integrated Services Digital Network (ISDN);Public Switched Telephone Network (PSTN);Televoting (VOT) service;
LST ETS 300 114-1997 Public Switched Telephone Network (PSTN). Basic category I and category II specifications for modems standardized for use on the PSTN
LST ETS 300 712 Leid.1-2006 Integrated Services Digital Network (ISDN);Public Switched Telephone Network (PSTN);Premium Rate (PRM) service;

British Standards Institution (BSI)

BS 6450-4:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators - Specification for ports
BS 6506:1984 Code of practice for installation of private branch exchanges for connection to the British Telecommunications public switched telephone network
BS 6450-1:1983 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators-Specification for general requirements
BS 6450-3.1:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Direct dialling in on private branch exchanges-Specification for direct dialling in on private branch exchanges with termin...
BS 6450 Sec.3.1:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators. Direct dialling in on private branch exchanges. Specification for direct dialling in on private branch exchanges with termina
BS PD IEC TR 62056-41:1998 Electricity metering. Data exchange for meter reading, tariff and load control-Data exchange using wide area networks. Public switched telephone network (PSTN) with LINK+ protocol
PD IEC/TR 62056-41:1998(2002) Electric energy metering data exchange for meter reading, tariff and load control Part 41: Data exchange over wide area networks: Public switched telephone network (PSTN) using the LINK+ protocol
PD IEC TR 62056-41:1998 Electricity metering. Data exchange for meter reading, tariff and load control. Data exchange using wide area networks. Public switched telephone network (PSTN) with LINK+ protocol
BS 6450-2:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators - Specification for private branch exchanges with terminating stations treated as an entirety
BS 6450-5.1:1993 Private branch exchanges for connection to the British Telecommunications public switched telephone network - Facilities on private branch exchanges - Specification for facilities on private branch exchanges with terminating stations treated as an entiret
BS 6317:1992 Specification for simple telephones for connection to public switched telephone networks run by certain public telecommunications operators
BS 6450-5-5.1:1984 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators.Facilities on private branch exchanges-Specification for facilities on private branch exchanges with terminating stations tr...
PD IEC TR 62056-41:2002 Electricity metering - Data exchange for meter reading, tariff and load control - Data exchange using wide area networks - Public switched telephone network (PSTN) with LINK+ protocol
BS 6450-2:1983 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators-Specification for private branch exchanges with terminating stations treated as an entirety
BS 7606:1992 Specification for social alarm system apparatus for connection to public switched telephone networks

German Institute for Standardization

DIN ETS 300114:1997-08 Public Switched Telephone Network (PSTN) - Basic Category I and Category II specifications for modems standardized for use on the PSTN; English version ETS 300114:1996
DIN ETS 300115:1999 Public Switched Telephone Network (PSTN) - Category II specification for 300 bit/s duplex modems standardized for use on the PSTN (Endorsement of the English version ETS 300115:1997 as German standard)
DIN ETS 300713:1997-12 Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Televoting (VOT) service; service description; English version ETS 300713:1997

Austrian Standards

ONORM A 2640-1997 Telephone plug System for use at the network termination point of the Austrian analogue public switched telephone network

Institute of Electrical and Electronics Engineers (IEEE)

IEEE Std 1390-1995 Utility Telemetry Services Architecture for Switched Telephone Networks
IEEE 1390-1995 Utility telemetry service architecture for switched telephone network

(U.S.) Telecommunications Industries Association

TIA-825-A-2003 A Frequency Shift Keyed Modem for Use on the Public Switched Telephone Network
TIA/EIA-825-2000 Frequency Shift Keyed Modem for Use on the Public Switched Telephone Network

American National Standards Institute （ANSI)

ANSI/TIA-825-A-2003 A Frequency Shift Keyed Modem for Use on the Public Switched Telephone Network

Swedish Institute for Standards

SIS SS 63 63 56-1993 Telecommunications equipment — Telephone sets with switching function — Technical requirements for connection to a public switched telephone network
SIS SS 63 63 37-1991 Telecommunications equipment — Subscriber equipment — Technical requirements for connection of analogue cordless telephones to the public switched telephone network
SIS SS 63 63 68-1993 Telecommunications equipment — Digital Cordless Telephone, CT3 — Technical requirements for connection to a puclic switched telephone network

South African Bureau of Standard

SANS 332:2004 Public Switched Telephone Network (PSTN); Attachment requirements for a terminal equipment incorporating an analogue handset function capable of supporting the justified case service when connected to the analogue interface of the PSTN in Europe

Korean Agency for Technology and Standards (KATS)

KS C IEC 62056-41-2005(2020) Electricity metering － Data exchange for meter reading, tariff and load control － Part 41: Data exchange using wide area networks: Public switched telephone network(PSTN) with LINK＋protocol
KS C IEC 62056-41-2020 Electricity metering － Data exchange for meter reading, tariff and load control － Part 41: Data exchange using wide area networks: Public switched telephone network(PSTN) with LINK＋protocol
KS C IEC 62056-41:2005 Electricity metering-Data exchange for meter reading, tariff and load control-Part 41:Data exchange using wide area networks:Public switched telephone network(PSTN) with LINK+protocol

Standard Association of Australia （SAA）

AS/ACIF S041:2005 Requirements for DSL Customer Equipment for connection to the Public Switched Telephone Network

Internet Engineering Task Force (IETF)

RFC 7195-2014 Session Description Protocol (SDP) Extension for Setting Audio and Video Media Streams over Circuit-Switched Bearers in the Public Switched Telephone Network (PSTN)
RFC 4769-2006 IANA Registration for an Enumservice Containing Public Switched Telephone Network (PSTN) Signaling Information

International Electrotechnical Commission (IEC)

IEC TR2 62056-41:1998 Electricity metering - Data exchange for meter reading, tariff and load control - Part 41: Data exchange using wide area networks: Public switched telephone network (PSTN) with LINK+ protocol
IEC TS 62056-41:1998 Electricity metering - Data exchange for meter reading, tariff and load control - Part 41: Data exchange using wide area networks: Public switched telephone network (PSTN) with LINK+ protocol
IEC TR 62056-41:1998 Electricity metering – Data exchange for meter reading, tariff and load control – Part 41: Data exchange using wide area networks: Public switched telephone network(PSTN) with LINK+ protocol

Indonesia Standards

SNI IEC/TS 62056-41:2013 Electricity metering - Data exchange for meter reading, tariff and load control - Part 41: Data exchange using wide area networks: Public switched telephone network (PSTN) with LINK+ protocol

Japanese Industrial Standards Committee (JISC)

JIS C 7521:1983 Telephone exchange lamps

Others: Public Switched Telephone Networki