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F.1

Operational provisions for the international public telegram service �

F.2

Operational provisions for the collection of telegram charges �
Published as F.42 (11/88), then renumbered as F.2

F.4

Plain and secret language �

F.10

Character error rate objective for telegraph communication using 5-unit start-stop equipment �

F.11

Continued availability of traditional services �

F.13

[Withdrawn] Operational provisions for participation in the transferred account telegraph and telematic service �
Published as F.41 (11/88), then renumbered as F.13. It was deleted after the withdrawal of the transferred account telegraph and telematic service

F.14

General provisions for one-stop-shopping arrangements �

F.15

Evaluating the success of new services �

F.16

Global virtual network service �

F.17

Operational aspects of service telecommunications �

F.18

Guidelines on harmonization of international public bureau services �

F.19

Collection and dissemination of official service information �
Formerly C.2, renumbered as F.19 on 25/01/2002 without further modification

F.20

The international gentex service �

F.21

Composition of answer-back codes for the international gentex service �

F.23

Grade of service for long-distance international gentex circuits �

F.24

Average grade of service from country to country in the gentex service �

F.30

Use of various sequences of combinations for special purposes �

F.31

Telegram retransmission system �

F.32

Telegram destination indicators �
Formerly Rec. F.96.

F.35

Provisions applying to the operation of an international public automatic message switching service for equipments utilizing the International Telegraph Alphabet No. 2 �

F.40

International public telemessage service �
Formerly Rec. F.50.

F.41

Interworking between the telemessage service and the international public telegram service �
Formerly Rec. F.51.

F.51

Interworking between the telemessage service and the international public telegram service �

F.59

General characteristics of the international telex service �

F.60

Operational provisions for the international telex service �

F.61

Operational provisions relating to the chargeable duration of a telex call �

F.62

[Withdrawn] Duplex operation in the telex service �

F.63

Additional facilities in the international telex service �

F.64

Determination of the number of international telex circuits required to carry a given volume of traffic �

F.65

Time-to-answer by operators at international telex positions �

F.68

Establishment of the automatic intercontinental telex network �

F.69

The international telex service - Service and operational provisions of telex destination codes and telex network identification codes �

F.70

Evaluating the quality of the international telex service �

F.71

Interconnection of private teleprinter networks with the telex network �

F.72

The international telex service - General principles and operational aspects of a store and forward facility �

F.73

Operational principles for communication between terminals of the international telex service and data terminal equipment on packet-switched public data networks �
Corr. 12/90

F.74

Intermediate storage devices accessed from the international telex service using single stage selection - Answerback format �

F.80

Basic requirements for interworking relations between the international telex service and other services �

F.82

Operational provisions to permit interworking between the international telex service and the intex service �

F.83

Operational principles for communication between terminals of the international telex service and data terminal equipment on packet-switched public data networks �
Published as F.73, then renumbered as F.83. A Corrigendum was indicated in 12/1990.

F.86

[Withdrawn] Interworking between the international telex service and the videotex service �
Withdrawn on 2004-09-02 because it was obsolete

F.87

Operational principles for the transfer of messages from terminals on the telex network to Group 3 facsimile terminals connected to the public switched telephone network �
Drafted as F.76, then renumbered and published as F.87.

F.89

Status enquiry function in the international telex service �

F.91

[Withdrawn] General statistics for the telegraph services �
Deleted as a consequence of the abolishion of a number of service documents

F.92

[Withdrawn] Service codes �
The content of this Recommendation is now covered by ITU-T F.32

F.93

[Withdrawn] Routing table for offices connected to the gentex service �
Deleted as a consequence of the abolishion of a number of service documents

F.95

[Withdrawn] Table of international telex relations and traffic �
Deleted as a consequence of the abolishion of a number of service documents

F.100

Scheduled radiocommunication service �

F.104

International leased circuit services - Customer circuit designations �

F.105

Operational provisions for phototelegrams �
Published as F.80 (11/88), then renumbered as F.105.

F.106

Operational provisions for private phototelegraph calls �
Published as F.80 bis (11/88), then renumbered as F.106.

F.107

Rules for phototelegraph calls established over circuits normally used for telephone traffic �
Published as F.82 (11/88), then renumbered as F.107. This Recommendation is also included but not published in E series under alias number E.323.

F.108

Operating rules for international phototelegraph calls to multiple destinations �
Published as F.85 (11/88), then renumbered as F.108.

F.110

Operational provisions for the maritime mobile service �
The date of entry into effect of this Recommendation edition is 1 January 1997.

F.111

Principles of service for mobile systems �

F.112

Quality objectives for 50-baud start-stop telegraph transmission in the maritime mobile-satellite service �

F.113

Service provisions for aeronautical passenger communications supported by mobile-satellite systems �

F.115

Service objectives and principles for future public land mobile telecommunication systems �

F.116

Service features and operational provisions in IMT-2000 �

F.120

Ship station identification for VHF/UHF and maritime mobile-satellite services �
This Recommendation is also published under alias number E.210

F.122

Operational procedures for the maritime satellite data transmission service �

F.125

[Withdrawn] Numbering plan for access to the mobile-satellite services of INMARSAT from the international telex service �

F.126

[Withdrawn] Selection procedures for the INMARSAT mobile-satellite telex service �

F.127

Operational procedures for interworking between the international telex service and the service offered by the INMARSAT-C system �

F.130

Maritime answer-back codes �

F.131

Radiotelex service codes �

F.140

Point-to-multipoint telecommunication service via satellite �

F.141

International two-way multipoint telecommunication service via satellite �

F.150

Service and operational provisions for the Intex service �

F.160

[Withdrawn] General operational provisions for the international public facsimile services �
Deleted as a result of liberalisation in the telecommunications environment resulting in the removal of international regulated services

F.162

Service and operational requirements of store-and-forward facsimile service �

F.163

Operational requirements of the interconnection of facsimile store-and-forward units �

F.166

[Withdrawn] Service and operational requirements for a fax database service �
Deleted as there are no plans for the introduction of a service of this nature

F.170

Operational provisions for the international public facsimile service between public bureaux (Bureaufax) �

F.171

Operational provisions relating to the use of store-and-forward switching nodes within the bureaufax service �

F.180

[Withdrawn] General operational provisions for the international public facsimile service between subscribers' terminals (Telefax) �
Deleted as a result of liberalisation in the telecommunications environment resulting in the removal of international regulated services

F.182

[Withdrawn] Operational provisions for the international public facsimile service between subscribers with Group 3 facsimile terminals (Telefax 3) �
Deleted as a result of liberalisation in the telecommunications environment resulting in the removal of international regulated services

F.182bis

Guidelines for the support of the communication of documents using Group 3 facsimile between user terminals via public networks �

F.184

[Withdrawn] Operational provisions for the international public facsimile service between subscriber stations with group 4 facsimile terminals (Telefax 4) �
Deleted as a result of liberalisation in the telecommunications environment resulting in the removal of international regulated services

F.185

Internet facsimile: Guidelines for the support of the communication of facsimile documents �

F.190

Operational provisions for the international facsimile service between public bureaux and subscriber stations and vice versa (bureaufax-telefax and vice versa) �

F.200

[Withdrawn] Teletex service �
Deleted as a consequence of the suppression of Teletex service

F.201

[Withdrawn] Interworking between teletex service and telex service - General principles �
Deleted as a consequence of the suppression of Teletex service

F.202

[Withdrawn] Interworking between the telex service and the teletex service - General procedures and operational requirements for the international interconnection of telex/teletex conversion facilities �
Deleted as a consequence of the suppression of Teletex service

F.203

[Withdrawn] Network based storage for the teletex service �
Deleted as a consequence of the suppression of Teletex service

F.220

[Withdrawn] Service requirements unique to the processable mode number eleven (PM11) used within the teletex service �
Deleted as a consequence of the suppression of Teletex service

F.230

[Withdrawn] Service requirements unique to the mixed mode (MM) used within the teletex service �
Deleted as a consequence of the suppression of Teletex service

F.300

[Withdrawn] Videotex service �
Withdrawn on 2004-09-02 because it was obsolete

F.301

[Withdrawn] Fast speed PSTN videotex �
Withdrawn on 2004-09-02 because it was obsolete

F.350

Application of Series T Recommendations �

F.351

General principles on the presentation of terminal identification to users of the telematic services �

F.353

Provision of telematic and data transmission services on integrated services digital network (ISDN) �

F.400

Message handling system and service overview �

F.401

Message handling services: Naming and addressing for public message handling services �

F.410

Message handling services: The public message transfer service �

F.415

Message handling services: Intercommunication with public physical delivery services �
Erratum in F.410 (08/92)

F.420

Message handling services: The public interpersonal messaging service �

F.421

Message handling services: Intercommunication between the IPM service and the telex service �
This Recommendation is also included but not published in F series under alias number F.85. Covering note, December 1999: Intercommunication between the IPM service and the telex service.

F.422

[Withdrawn] Message handling services: Intercommunication between the IPM service and the teletex service �
Deleted as a consequence of the suppression of Teletex service

F.423

Message handling services: Intercommunication between the interpersonal messaging service and the telefax service �

F.435

Message handling services: Electronic Data Interchange messaging service �

F.440

Message handling services: The voice messaging service �

F.471

Operational requirements for the interconnection of voice-mail store-and-forward units �

F.472

Service and operational requirements of the voice-mail store-and-forward service �

F.500

International public directory services �

F.510

Automated directory assistance - White pages service definition �

F.511

Directory service - Support of tag-based identification services �

F.515

Unified Directory specification �

F.551

[Withdrawn] Service Recommendation for the telematic file transfer within Telefax 3, Telefax 4, Teletex services and message handling services �

F.581

Guidelines for programming communication interfaces (PCIs) definition: Service Recommendation �

F.600

Service and operational principles for public data transmission service �

F.601

[Withdrawn] Service and operational principles for packet-switched public data networks �

F.700

Framework Recommendation for multimedia services �

F.701

Guideline Recommendation for identifying multimedia service requirements �

F.702

Multimedia conference services �

F.703

Multimedia conversational services �

F.710

[Withdrawn] General principles for audiographic conference service �
The content of this Recommendation is superseded by ITU-T F.702 on multimedia

F.711

[Withdrawn] Audiographic conference teleservice for ISDN �
The content of this Recommendation is superseded by ITU-T F.731 on multimedia

F.720

Videotelephony services - General �

F.721

Videotelephony teleservice for ISDN �

F.723

Videophone service in the Public Switched Telephone Network (PSTN) �

F.724

Service description and requirements for videotelephony services over IP networks �

F.730

[Withdrawn] Videoconference service - General �
The content of this Recommendation is superseded by ITU-T F.702 on multimedia

F.731

Multimedia Conference Services in the ISDN �

F.732

Multimedia conference services in the B-ISDN �

F.733

Service description and requirements for multimedia conference services over IP networks �

F.734

Definitions, requirements and use cases for telepresence systems �

F.735.1

Requirements for software-defined cameras �

F.735.2

Architecture and protocols for software-defined cameras �

F.740

Audiovisual interactive services �

F.740.1

Requirements for an information service of objects in museums �

F.740.2

Requirements and reference framework for digital representation of cultural relics and artworks using augmented reality �

F.740.3

Metadata for digital representation of cultural relics/artworks using augmented reality �

F.740.4

Metadata for image aesthetics assessment with aesthetic attributes in mobile terminal computational photography systems �

F.740.5

Data collection and annotation requirements for automatic white balance (AWB) enhancement in mobile terminals for digital culture �

F.740.6

Reference framework and requirements for Internet protocol multimedia subsystem early media and extension service system �

F.740.7

Reference architecture and requirements for a mobile terminal computational photography system �

F.740.8

Requirements and architecture for live virtual tour systems using panoramic video and augmented reality �

F.741

Service description and requirements for audiovisual on-demand services �

F.742

Service description and requirements for distance learning services �

F.742.1

Requirements for smart class systems based on artificial intelligence �

F.742.2

Functional architecture for distance learning services �

F.743

Requirements and service description for video surveillance �

F.743.1

Requirements for intelligent visual surveillance �

F.743.2

Requirements for cloud storage in visual surveillance �

F.743.3

Requirements for visual surveillance system interworking �

F.743.4

Functional requirements for virtual content delivery networks �

F.743.5

Framework and interfaces for multimedia content delivery network �

F.743.6

Service requirements for next generation content delivery networks �

F.743.7

Requirements for big data-enhanced visual surveillance services �

F.743.8

Requirements for a cloud computing platform supporting a visual surveillance system �

F.743.9

Use-cases and requirements for multimedia content delivery network �

F.743.10

Requirements for mobile edge computing enabled content delivery networks �

F.743.11

Requirements for video surveillance with mobile premises units �

F.743.12

Requirements for edge computing in video surveillance �

F.743.13

Requirements for the cooperation of multiple edge gateways �

F.743.14

Requirements for video distribution systems �

F.743.15

Requirements for multi-operator core network enabled multimedia services �

F.743.16

Requirements for communication resource management in intelligent visual surveillance systems �

F.743.17

Requirements for cloud gaming systems �

F.743.18

Requirements for IMT-2020 ultra-high definition surveillance cameras �

F.743.19

Requirements for intelligent surveillance cameras in intelligent video surveillance systems �

F.743.20

Assessment framework for big data infrastructure �

F.743.21

Framework for data asset management �

F.743.22

Requirements and architecture of an algorithm-training system for intelligent video surveillance �

F.743.23

Security requirements for video surveillance systems �

F.743.24

Scenarios and requirements for distributed ledger technology (DLT) in video surveillance system interworking �

F.743.25

Procedures and requirements for multimedia data asset management �

F.743.26

Technical requirements of cloud gaming platform based on IMT-2020 mobile edge computing �

F.744

Service description and requirements for ubiquitous sensor network middleware �

F.744.1

Functional requirements for virtual content delivery networks �

F.744.2

Framework and interfaces for multimedia content delivery network �

F.744.3

Service requirements for next generation content delivery networks �

F.744.4

Use-cases and requirements for multimedia content delivery network �

F.744.5

Requirements for content delivery networks based on peer-to-peer technology �

F.745

Functional requirements for network-based speech-to-speech translation services �

F.746

Requirements of multimedia optimization control components �

F.746.1

Requirements for low-latency interactive multimedia streaming �

F.746.2

Service description for user data exchange between functional components in network entities and terminals �

F.746.3

Intelligent question answering service framework �

F.746.4

Requirements for deployment of information-centric network �

F.746.5

Framework for a language learning system based on speech and natural language processing (NLP) technology �

F.746.6

Requirements for a name resolution service in information-centric networks �

F.746.7

Metadata for an intelligent question answering service �

F.746.8

Requirements for unified status monitoring of networks and services �

F.746.9

Requirements and architecture for indoor conversational robot systems �

F.746.10

Architecture for a spontaneous dialogue processing system for language learning �

F.746.11

Interfaces for intelligent question answering system �

F.746.12

Requirements for a real-time interactive multimedia service under poor network conditions �

F.746.13

Requirements for smart speaker-based intelligent multimedia communication systems �

F.746.14

Requirements and reference framework for cloud virtual reality systems �

F.746.15

Requirements for smart broadband network gateway in multimedia content transmission �

F.746.16

Technical requirements and evaluation methods of intelligence levels of intelligent customer service systems �

F.746.17

Requirements for media processing services �

F.746.18

Requirements for interactive low-latency multimedia transmission system over the Internet �

F.747.1

Capabilities of ubiquitous sensor networks for supporting the requirements of smart metering services �

F.747.2

Deployment guidelines for ubiquitous sensor network applications and services for mitigating climate change �

F.747.3

Requirements and functional model for a ubiquitous network robot platform that supports ubiquitous sensor network applications and services �

F.747.4

Requirements and functional architecture for the open ubiquitous sensor network service platform �

F.747.5

Requirements and functional architecture of an automatic location identification system for ubiquitous sensor network applications and services �

F.747.6

Requirements for water quality assessment services using ubiquitous sensor networks (USNs) �

F.747.7

Requirements for network-based location information conversion for location-based applications and services �

F.747.8

Requirements and reference architecture for audience-selectable media service framework in the IoT environment �

F.747.9

Requirements and architecture for energy management services �

F.747.10

Requirements of distributed ledger systems for secure human factor services �

F.747.11

Requirements for intelligent surface-defect detection service in industrial production lines �

F.747.12

Requirements for artificial intelligence based machine vision system in smart logistics warehouse �

F.747.13

Requirements and reference framework of cloud-edge collaboration in industrial machine vision systems �

F.747.14

Requirements and capability framework of the multimodal fusion system for vision �

F.747.15

Requirements of event-based vision systems �

F.748.0

Common requirements for Internet of things (IoT) applications �

F.748.1

Requirements and common characteristics of the IoT identifier for the IoT service �

F.748.2

Machine socialization: Overview and reference model �

F.748.3

Machine socialization: Relation management models and descriptions �

F.748.5

Requirements and reference architecture of the machine-to-machine service layer �

F.748.11

Metrics and evaluation methods for a deep neural network processor benchmark �

F.748.12

Deep learning software framework evaluation methodology �

F.748.13

Technical framework for the shared machine learning system �

F.748.14

Requirements and evaluation methods of non-interactive 2D real-person digital human application systems �

F.748.15

Framework and metrics for digital human application systems �

F.748.16

Requirements for applications and services in smart manufacturing based on machine vision �

F.748.17

Technical specification for artificial intelligence cloud platform - Artificial intelligence model development �

F.748.18

Metric and evaluation methods for AI-enabled multimedia application computing power benchmark �

F.748.19

Framework for audio structuralizing based on deep neural networks �

F.748.20

Technical framework for deep neural network model partition and collaborative execution �

F.748.21

Requirements and framework for feature-based distributed intelligent systems �

F.748.22

Functional architecture for feature-based distributed intelligent systems �

F.748.23

Requirements and framework for intelligent crowdsensing multimedia interaction based on deep learning �

F.748.24

Trusted contribution evaluation framework on federated machine learning services �

F.748.25

Requirements for speech interaction of intelligent customer services �

F.748.26

Technical specification for artificial intelligence cloud platforms: Performance evaluation �

F.748.27

Framework and requirements for the construction of 3D intelligent driven digital human application systems �

F.748.28

Requirements and functional architecture of digital twin platforms for supporting multimedia services �

F.748.29

Framework and requirements of computer audition-based machinery fault diagnosis systems �

F.748.30

Requirements of communication services for digital humans �

F.748.31

Technical requirements and evaluation methods of 3D digital human system based on smart mobile devices �

F.748.32

Requirements and architecture of AI-based detection technologies for multimedia messages �

F.748.33

Metrics and evaluation methods for image-based re-identification algorithm �

F.748.34

Requirements for the construction of multimedia knowledge graph database structure based on artificial intelligence �

F.748.35

Requirement and framework of trustworthy federated machine learning based service �

F.748.36

Requirements and framework of multi-algorithm scheduling systems �

F.748.37

Requirements and functional framework of joint semantic query system of unstructured data across clusters �

F.748.38

Technical specification for artificial intelligence cloud platform: General architecture �

F.748.40

Technical specification for artificial intelligence cloud platform: Data annotation �

F.749.1

Functional requirements for vehicle gateways �

F.749.2

Service requirements for vehicle gateway platforms �

F.749.3

Use cases and requirements for vehicular multimedia networks �

F.749.4

Use cases and requirements for multimedia communication enabled vehicle systems using artificial intelligence �

F.749.5

Vehicle domain service - General information and use case definitions �

F.749.6

Requirements of vehicle information for automated driving in vehicle gateway platforms �

F.749.8

In-vehicle multimedia applets: Framework and functional requirements �

F.749.10

Requirements for communication services of civilian unmanned aerial vehicles �

F.749.11

Requirements for civilian unmanned aerial vehicles enabled mobile edge computing �

F.749.12

Framework for communication application of civilian unmanned aerial vehicles �

F.749.13

Framework and requirements for civilian unmanned aerial vehicle flight control using artificial intelligence �

F.749.14

Requirements of coordination for civilian unmanned aerial vehicles �

F.749.15

Requirements for inspection and examination services using civilian unmanned aerial vehicles �

F.749.16

Requirements for logistics express delivery based on civilian unmanned aerial vehicles �

F.749.18

Framework and requirements for emergency services using civilian unmanned aerial vehicles �

F.750

Metadata framework �

F.751.0

Requirements for distributed ledger systems �

F.751.1

Assessment criteria for distributed ledger technology platforms �

F.751.2

Reference framework for distributed ledger technologies �

F.751.3

Requirements for change management in distributed ledger technology (DLT)-based decentralized applications �

F.751.4

General framework for distributed ledger technology (DLT)-based invoices �

F.751.5

Requirements for distributed ledger technology-based power grid data management �

F.751.6

Performance assessment methods for distributed ledger technology platforms �

F.751.7

Functional assessment methods for distributed ledger technology platforms �

F.751.8

Technical framework for distributed ledger technology (DLT) to cope with regulation �

F.751.9

Trusted execution environment based confidential computing on distributed ledger technology systems �

F.751.10

Framework and requirements for distributed ledger technology (DLT)-based digital collection services �

F.751.11

Performance test suite for distributed ledger technology systems �

F.751.12

Formal verification framework for smart contract on distributed ledger technology �

F.751.13

Framework and requirements for distributed ledger technology-based distributed power trading systems �

F.751.14

Reference architecture for information tracing of renewable energy consumption based on distributed ledger technology �

F.751.15

Assessment methods for distributed ledger technology (DLT) management service platforms �

F.751.16

Reference framework for distributed ledger technology (DLT) management service platforms �

F.751.17

Smart contract lifecycle management requirements for distributed ledger technology systems �

F.751.18

Framework for distributed ledger technology (DLT)-based energy metering data sharing �

F.751.19

Framework and requirements for distributed ledger technology based on sharding technique �

F.751.20

Reference architecture for distributed ledger technology (DLT)-based multimedia data delivery management systems �

F.751.21

Technical requirements on inter-chain interoperability for permissioned distributed ledger technologies �

F.751.22

Financial distributed ledger technology application guideline �

F.760.1

Requirements and reference framework for emergency rescue systems �

F.760.2

Guidelines for user interface of first responders in emergency response support systems �

F.761

Service-oriented requirements for telewriting applications �
Published as F.730 (11/88), then renumbered as F.761.

F.771

Service description and requirements for multimedia information access triggered by tag-based identification �

F.780.1

Framework for telemedicine systems using ultra-high definition imaging �

F.780.2

Accessibility of telehealth services �

F.780.3

Use cases and requirements for ultra-high-definition teleconsulting system �

F.780.4

Reference framework, requirements and scenarios for telemedicine systems �

F.780.5

Requirements, reference framework and use cases for telemonitoring systems in rapid deployment hospitals �

F.781.1

General framework of quality control of medical images for machine learning applications �

F.781.2

Quality assessment requirements for artificial intelligence/machine learning-based software as a medical device �

F.790

Telecommunications accessibility guidelines for older persons and persons with disabilities �

F.791

Accessibility terms and definitions �

F.811

Broadband connection-oriented bearer service �

F.812

Broadband connectionless data bearer service �

F.813

Virtual path service for reserved and permanent communications �

F.850

[Withdrawn] Principles of Universal Personal Telecommunication (UPT) �
Deleted in 2022 as a consequence of the suppression of the Universal Personal Telecommunication (UPT) service

F.851

[Withdrawn] Universal Personal Telecommunication (UPT) - Service description (service set 1) �
Deleted in 2022 as a consequence of the suppression of the Universal Personal Telecommunication (UPT) service

F.852

[Withdrawn] Universal Personal Telecommunication (UPT) - Service description (service set 2) �
Deleted in 2022 as a consequence of the suppression of the Universal Personal Telecommunication (UPT) service

F.853

[Withdrawn] Supplementary services in the Universal Personal Telecommunication (UPT) environment �
Deleted in 2022 as a consequence of the suppression of the Universal Personal Telecommunication (UPT) service

F.901

Usability evaluation of telecommunication services �

F.902

Interactive services design guidelines �

F.910

Procedures for designing, evaluating and selecting symbols, pictograms and icons �

F.921

Audio-based indoor and outdoor network navigation system for persons with vision impairment �

F.922

Requirements of information service systems for visually impaired persons �

F.930

Multimedia telecommunication relay services �

F.Sup1

Definitions relating to telegraph, telematic and data transmission services �

F.Sup2

Terms and definitions for telex �

F.Sup3

Overview of Telecom Finance (Finance2.0) �

F.Sup4

Overview of convergence of artificial intelligence and blockchain �

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