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2005-2008 ITU-T SG 2 Recommendations
E series : Overall network operation, telephone service, service operation and human factors
E100-E229 : International operation
E100-E103 : Definitions
E.100 : Definitions of terms used in international telephone operation
E.101 (draft) : Definitions of terms used for identifiers (names, numbers, addresses and other identifiers) for public telecommunication services and networks in the E-series Recommendations
E104-E119 : General provisions concerning Administrations
E.105 : International telephone service
E.106 : International Emergency Preference Scheme (IEPS) for disaster relief operations
E.107 : Emergency Telecommunications Service (ETS) and interconnection framework for national implementations of ETS
E.109 : International billed number screening procedures for collect and third-party calling
E.110 : Organization of the international telephone network
E.111 : Extension of international telephone services
E.112 : Arrangements to be made for controlling the telephone services between two countries
E.113 : Validation procedures for the international telecommunications charge card service
E.114 : Supply of lists of subscribers (directories and other means)
E.116 : International telecommunication charge card service
E.117 : Terminal devices used in connection with the public telephone service (other than telephones)
E.118 : The international telecommunication charge card
E120-E139 : General provisions concerning users
E.120 : Instructions for users of the international telephone service
E.121 : Pictograms, symbols and icons to assist users of the telephone and telefax services
E.122 : Measures to reduce customer difficulties in the international telephone service
E.123 : Notation for national and international telephone numbers, e-mail addresses and web addresses
E.124 : Discouragement of frivolous international calling to unassigned or vacant numbers answered by recorded announcements without charge
E.125 : Inquiries among users of the international telephone service
E.126 : Harmonization of the general information pages of the telephone directories published by Administrations
E.127 : Pages in the telephone directory intended for foreign visitors
E.128 : Leaflet to be distributed to foreign visitors
E.129 : Presentation of national numbering plans
E.130 : Choice of the most useful and desirable supplementary telephone services
E.131 : Subscriber control procedures for supplementary telephone services
E.132 : Standardization of elements of control procedures for supplementary telephone services
E.133 : Operating procedures for cardphones
E.134 : Human factors aspects of public terminals: Generic operating procedures
E.135 : Human factors aspects of public telecommunication terminals for people with disabilities
E.136 : Specification of a tactile identifier for use with telecommunication cards
E.137 : User instructions for payphones
E.138 : Human factors aspects of public telephones to improve their usability for older people
E140-E159 : Operation of international telephone services
E.140 : Operator-assisted telephone service
E.148 : Routing of traffic by automatic transit exchanges
E.149 : Presentation of routing data
E.151 : Telephone conference calls
E.152 : International freephone service
E.153 : Home country direct
E.154 : International Shared Cost Service
E.155 : International Premium Rate Service
E.156 : Guidelines for ITU-T action on reported misuse of E.164 number resources
E.157 (draft) : International calling party number delivery
E160-E169 : Numbering plan of the international telephone service
E.161 : Arrangement of digits, letters and symbols on telephones and other devices that can be used for gaining access to a telephone network
E.161.1 (draft) : Guidelines to select Emergency Number for public telecommunications networks
E.164/I.331/Q.11 bis : The international public telecommunication numbering plan
E.164.1 : Criteria and procedures for the reservation, assignment and reclamation of E.164 country codes and associated identification codes (ICs)
E.164.2 : E.164 numbering resources for trials
E.164.3 : Principles, criteria and procedures for the assignment and reclamation of E.164 country codes and associated identification codes for groups of countries
E.165/Q.11 ter : Timetable for coordinated implementation of the full capability of the numbering plan for the ISDN era (Recommendation E.164)
E.165.1 : Use of escape code "0" within the E.164 numbering plan during the transition period to implementation of NPI mechanism
E.166/X.122 : Numbering plan interworking for the E.164 and X.121 numbering plans
E.167 : ISDN Network Identification Codes
E.168 : Application of E.164 numbering plan for UPT
E.168.1 : Assignment procedures for universal personal telecommunications (UPT) numbers in the provisioning of the international UPT service
E.169 : Application of Recommendation E.164 numbering plan for universal international numbers for international telecommunications services using country codes for global services
E.169.1 : Application of Recommendation E.164 numbering plan for universal international freephone numbers for international freephone service
E.169.2 : Application of Recommendation E.164 numbering plan for universal international premium rate numbers for the international premium rate service
E.169.3 : Application of Recommendation E.164 numbering plan for universal international shared cost numbers for international shared cost service
E170-E179 : International routing plan
E.170 : Traffic routing
E.172 : ISDN routing plan
E.173 : Routing plan for interconnection between public land mobile networks and fixed terminal networks
E.174 : Routing principles and guidance for Universal Personal Telecommunications (UPT)
E.175 : Models for international network planning
E.177 : B-ISDN routing
E180-E189 : Tones in national signalling systems
E.180/Q.35 : Technical characteristics of tones for the telephone service
E.181 : Customer recognition of foreign tones
E.182 : Application of tones and recorded announcements in telephone services
E.183 : Guiding principles for telephone announcements
E.184 : Indications to users of ISDN terminals
E190-E199 : Numbering plan of the international telephone service
E.190 : Principles and responsibilities for the management, assignment and reclamation of E-series international numbering resources
E.191 : B-ISDN addressing
E.191.1 : Criteria and procedures for the allocation of ITU-T International Network Designator addresses
E.193 : E.164 country code expansion
E.195 : ITU-T International numbering resource administration
E200-E229 : Maritime mobile service and public land mobile service
E.202 : Network operational principles for future public mobile systems and services
E.210/F.120 : Ship station identification for VHF/UHF and maritime mobile-satellite services
E.212 : The international identification plan for public networks and subscriptions
E.213 : Telephone and ISDN numbering plan for land mobile stations in public land mobile networks (PLMN)
E.214 : Structure of the land mobile global title for the signalling connection control part (SCCP)
E.217 : Maritime communications – Ship station identity
E.218 : Management of the allocation of terrestrial trunk radio Mobile Country Codes
E.220 : Interconnection of public land mobile networks (PLMN)
E230-E299 : Operational provisions relating to charging and accounting in the international telephone service
E230-E249 : Charging in the international telephone service
E.230 : Chargeable duration of calls
E260-E269 : Measuring and recording call durations for accounting purposes
E.260 : Basic technical problems concerning the measurement and recording of call durations
E.261 : Devices for measuring and recording call durations
E300-E329 : Utilization of the international telephone network for non-telephony applications
E300-E319 : General
E.300 : Special uses of circuits normally employed for automatic telephone traffic
E.301 : Impact of non-voice applications on the telephone network
E320-E329 : Phototelegraphy
E.320 : Speeding up the establishment and clearing of phototelegraph calls
E.323/F.107 : Rules for phototelegraph calls established over circuits normally used for telephone traffic
E330-E349 : ISDN provisions concerning users
E.330 : User control of ISDN-supported services
E.331 : Minimum user-terminal interface for a human user entering address information into an ISDN terminal
E350-E399 : International routing plan
E.350 : Dynamic routing interworking
E.351 : Routing of multimedia connections across TDM-, ATM- and IP-based networks
E.352 : Routing guidelines for efficient routing methods
E.353 : Routing of calls when using international network routing addresses
E.360.1 : Framework for QoS routing and related traffic engineering methods for IP-, ATM-, and TDM-based multiservice networks
E.360.2 : QoS routing and related traffic engineering methods – Call routing and connection routing methods
E.360.3 : QoS routing and related traffic engineering methods – QoS resource management methods
E.360.4 : QoS routing and related traffic engineering methods – Routing table management methods and requirements
E.360.5 : QoS routing and related traffic engineering methods – Transport routing methods
E.360.6 : QoS routing and related traffic engineering methods – Capacity management methods
E.360.7 : QoS routing and related traffic engineering methods – Traffic engineering operational requirements
E.361 : QoS routing support for interworking of QoS service classes across routing technologies
E.370 : Service principles when public circuit-switched international telecommunication networks interwork with IP-based networks
E400-E489 : Network management
E400-E404 : International service statistics
E.401 : Statistics for the international telephone service (number of circuits in operation and volume of traffic)
E405-E419 : International network management
E.408 : Telecommunication networks security requirements
E.410 : International network management – General information
E.411 : International network management – Operational guidance
E.412 : Network management controls
E.412.1 : Assessing the impact of resource discontinuity in transport networks on service availability
E.413 : International network management – Planning
E.414 : International network management – Organization
E.415 : International network management guidance for common channel signalling system No. 7
E.416 : Network management principles and functions for B-ISDN traffic
E.417 : Framework for the network management of IP-based networks
E.418 : Framework for network management of IMT-2000 networks
E.419 : Business oriented Key Performance Indicators for management of networks and services
E420-E489 : Checking the quality of the international telephone service
E.420 : Checking the quality of the international telephone service – General considerations
E.421 : Service quality observations on a statistical basis
E.422 : Observations on international outgoing telephone calls for quality of service
E.423 : Observations on traffic set up by operators
E.424 : Test calls
E.425 : Internal automatic observations
E.426 : General guide to the percentage of effective attempts which should be observed for international telephone calls
E.427 : Collection and statistical analysis of special quality of service observation data for measurements of customer difficulties in the international automatic service
E.428 : Connection retention
E.430 : Quality of service framework
E.431 : Service quality assessment for connection set-up and release delays
E.432 : Connection quality
E.433 : Billing integrity
E.434 : Subscriber-to-subscriber measurement of the public switched telephone network
E.436 : Customer Affecting Incidents and blocking Defects Per Million
E.437 : Comparative metrics for network performance management
E.438 : Performance parameters and measurement methods to assess N-ISDN 64 kbit/s circuit-switched bearer service UDI in operation
E.439 : Test call measurement to assess N-ISDN 64 kbit/s circuit-switched bearer service UDI in operation
E.440 : Customer satisfaction point
E.450 : Facsimile quality of service on public networks – General aspects
E.451 : Facsimile call cut-off performance
E.452 : Facsimile modem speed reductions and transaction time
E.453 : Facsimile image quality as corrupted by transmission-induced scan line errors
E.454 : Transmission performance metrics based on Error Correction Mode (ECM) facsimile
E.456 : Test transaction for facsimile transmission performance
E.457 : Facsimile measurement methodologies
E.458 : Figure of merit for facsimile transmission performance
E.459 : Measurements and metrics for characterizing facsimile transmission performance using non-intrusive techniques
E.460 : Measurements and metrics for monitoring the performance of V.34 Group 3 Facsimile
E.470 : Operational considerations for QoS of voice over IP-based networks with PSTN-IP-PSTN architecture
E.480 : Framework for service management operational requirements – Service management
E490-E799 : Traffic engineering
E490-E505 : Measurement and recording of traffic
E.490 : Traffic measurement and evaluation – General survey
E.490.1 : Overview of Recommendations on traffic engineering
E.491 : Traffic measurement by destination
E.492 : Traffic reference period
E.493 : Grade of service (GOS) monitoring
E.500 : Traffic intensity measurement principles
E.501 : Estimation of traffic offered in the network
E.502 : Traffic measurement requirements for digital telecommunication exchanges
E.503 : Traffic measurement data analysis
E.504 : Traffic measurement administration
E.505 : Measurements of the performance of common channel signalling network
E506-E509 : Forecasting of traffic
E.506 : Forecasting international traffic
E.507 : Models for forecasting international traffic
E.508 : Forecasting new telecommunication services
E520-E539 : Determination of the number of circuits in automatic and semi-automatic operation
E.520 : Number of circuits to be provided in automatic and/or semiautomatic operation, without overflow facilities
E.521 : Calculation of the number of circuits in a group carrying overflow traffic
E.522 : Number of circuits in a high-usage group
E.523 : Standard traffic profiles for international traffic streams
E.524 : Overflow approximations for non-random inputs
E.525 : Designing networks to control grade of service
E.526 : Dimensioning a circuit group with multi-slot bearer services and no overflow inputs
E.527 : Dimensioning at a circuit group with multi-slot bearer services and overflow traffic
E.528 : Dimensioning of digital circuit multiplication equipment (DCME) systems
E.529 : Network dimensioning using end-to-end GOS objectives
E540-E599 : Grade of service
E.540 : Overall grade of service of the international part of an international connection
E.541 : Overall grade of service for international connections (subscriber-to-subscriber)
E.543 : Grades of service in digital international telephone exchanges
E.550 : Grade-of-service and new performance criteria under failure conditions in international telephone exchanges
E600-E649 : Definitions
E.600 : Terms and definitions of traffic engineering
E650-E699 : Traffic engineering for IP-networks
E.651 : Reference connections for traffic engineering of IP access networks
E.671 : Post-selection delay in PSTN/ISDN networks using Internet telephony for a portion of the connection
E.681 : Traffic engineering methods for IP acess networks based on hybrid fiber/coax system
E700-E749 : ISDN traffic engineering
E.700 : Framework of the E.700-Series Recommendations
E.701 : Reference connections for traffic engineering
E.711 : User demand modelling
E.712 : User plane traffic modelling
E.713 : Control plane traffic modelling
E.716 : User demand modelling in Broadband-ISDN
E.720 : ISDN grade of service concept
E.721 : Network grade of service parameters and target values for circuit-switched services in the evolving ISDN
E.723 : Grade-of-service parameters for Signalling System No. 7 networks
E.724 : GOS parameters and target GOS objectives for IN services
E.726 : Network grade of service parameters and target values for B-ISDN
E.728 : Grade-of-service parameters for B-ISDN signalling
E.731 : Methods for dimensioning resources operating in circuit-switched mode
E.733 : Methods for dimensioning resources in Signalling System No. 7 networks
E.734 : Methods for allocating and dimensioning Intelligent Network (IN) resources
E.735 : Framework for traffic control and dimensioning in B-ISDN
E.736 : Methods for cell level traffic control in B-ISDN
E.737 : Dimensioning methods for B-ISDN
E.743 : Traffic measurements for SS No. 7 dimensioning and planning
E.744 : Traffic and congestion control requirements for SS No. 7 and IN-structured networks
E.745 : Cell level measurement requirements for the B-ISDN
E750-E799 : Mobile network traffic engineering
E.750 : Introduction to the E.750 series of Recommendations on traffic engineering aspects of networks supporting personnal communications services
E.751 : Reference connections for traffic engineering of land mobile networks
E.752 : Reference connections for traffic engineering of maritime and aeronautical systems
E.755 : Reference connections for UPT traffic performance and GOS
E.760 : Terminal mobility traffic modelling
E.770 : Land mobile and fixed network interconnection traffic grade of service concept
E.771 : Network grade of service parameters and target values for circuit-switched public land mobile services
E.773 : Maritime and aeronautical mobile grade of service concept
E.774 : Network grade of service parameters and target values for maritime and aeronautical mobile services
E.775 : UPT grade of service concept
E.776 : Network grade of service parameters for UPT
E800-E899 : Quality of telecommunication services: concepts, models, objectives and dependability planning
E800-E809 : Terms and definitions related to the quality of telecommunication services
E.800 (draft) : Terms and definitions related to quality of service
E.800 : Terms and definitions related to quality of service and network performance including dependability
E.801 : Framework for Service Quality Agreement
E.802 : Framework and methodologies for the determination and application of QoS parameters
E810-E844 : Models for telecommunication services
E.810 : Framework of the Recommendations on the serveability performance and service integrity for telecommunication services
E.820 : Call models for serveability and service integrity performance
E.830 : Models for the specification, evaluation and allocation of serveability and service integrity
E845-E859 : Objectives for quality of service and related concepts of telecommunication services
E.845 : Connection accessibility objective for the international telephone service
E.846 : Accessibility for 64 kbit/s circuit-switched international end-to-end ISDN connection types
E.850 : Connection retainability objective for the international telephone service
E.855 : Connection integrity objective for the international telephone service
E860-E879 : Use of quality of service objectives for planning of telecommunication networks
E.860 : Framework of a service level agreement
E.861 : Defining operations competency metrics
E.862 : Dependability planning of telecommunication networks
E880-E899 : Field data collection and evaluation on the performance of equipment, networks and services
E.880 : Field data collection and evaluation on the performance of equipment, networks and services
E900-E999 : Other
E.910 : Procedures for registration within the domain ".int"
E supplements : Supplements to the Series E Recommendations
E100-E400 supplements : Supplements to the Series E Recommendations relating to the operations of the international service
E-300 series Suppl. 1 : List of possible supplementary telephone services which may be offered to subscribers
E-300 series Suppl. 3 : North american precise audible tone plan
E-300 series Suppl. 4 : Treatment of calls considered as terminating abnormally
E-300 series Suppl. 5 : Modelling of an experimental test design for the determination of inexperienced user difficulties in setting up international calls using nationally available instructions, or to compare different sets of instructions
E-300 series Suppl. 6 : Preparation of information to customers travelling abroad
E-300 series Suppl. 7 : Description of INMARSAT existing and planned systems
E400-E900 supplements : Supplements to the Series E Recommendations relating to telephone network management and traffic engineering
E-800 series Suppl. 1 : Table of the Erlang formula
E-800 series Suppl. 2 : Curves showing the relation between the traffic offered and the number of circuits required
E-800 series Suppl. 5 : Teletraffic implications for international switching and operational procedures resulting from a failure of a transmission facility
E-800 series Suppl. 7 : Guide for evaluating and implementing alternate routing networks
F series : Non-telephone telecommunication services
F1-F109 : Telegraph service
F1-F19 : Operating methods for the international public telegram service
F.1 : Operational provisions for the international public telegram service
F.2 : Operational provisions for the collection of telegram charges
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.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
F20-F29 : The gentex network
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
F30-F39 : Message switching
F.30 : Use of various sequences of combinations for special purposes
F.31 : Telegram retransmission system
F.32 : Telegram destination indicators
F.35 : Provisions applying to the operation of an international public automatic message switching service for equipments utilizing the International Telegraph Alphabet No. 2
F40-F58 : The international telemessage service
F.40 : International public telemessage service
F.41 : Interworking between the telemessage service and the international public telegram service
F59-F89 : The international telex 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.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.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
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
F.89 : Status enquiry function in the international telex service
F100-F104 : Scheduled and leased communication services
F.100 : Scheduled radiocommunication service
F.104 : International leased circuit services – Customer circuit designations
F105-F109 : Phototelegraph service
F.105 : Operational provisions for phototelegrams
F.106 : Operational provisions for private phototelegraph calls
F.107/E.323 : Rules for phototelegraph calls established over circuits normally used for telephone traffic
F.108 : Operating rules for international phototelegraph calls to multiple destinations
F110-F159 : Mobile service
F110-F159 : Mobile services and multidestination satellite services
F.110 : Operational provisions for the maritime mobile service
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/E.210 : Ship station identification for VHF/UHF and maritime mobile-satellite services
F.122 : Operational procedures for the maritime satellite data transmission 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
F160-F399 : Telematic services
F160-F199 : Public facsimile service
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.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.182 bis : Guidelines for the support of the communication of documents using Group 3 facsimile between user terminals via public networks
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)
F350-F399 : General provisions for telematic services
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)
F550-F599 : Document communication
F580-F599 : Programming communication interfaces
F.581 : Guidelines for programming communication interfaces (PCIs) definition: Service Recommendation
F800-F849 : ISDN services
F.811 : Broadband connection-oriented bearer service
F.812 : Broadband connectionless data bearer service
F.813 : Virtual path service for reserved and permanent communications
F850-F899 : Universal personal telecommunication
F.850 : Principles of Universal Personal Telecommunication (UPT)
F.851 : Universal Personal Telecommunication (UPT) – Service description (service set 1)
F.852 : Universal Personal Telecommunication (UPT) – Service description (service set 2)
F.853 : Supplementary services in the Universal Personal Telecommunication (UPT) environment
F900-F999 : Human factors
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 supplements : Supplements to the Series F Recommendations
F Suppl. 1 : Definitions relating to telegraph, telematic and data transmission services
F Suppl. 2 : Terms and definitions for telex
G series : Transmission systems and media, digital systems and networks
G100-G199 : International telephone connections and circuits
G100-G109 : General definitions
G.106 (draft) : Terms and definitions related to quality of service
I series : Integrated services digital network
I200-I299 : Service capabilities
I220-I229 : Common aspects of services in the ISDN
I.220 : Common dynamic description of basic telecommunication services
I.221 : Common specific characteristics of services
I230-I239 : Bearer services supported by an ISDN
I.230 : Definition of bearer service categories
I.231.1 : Circuit-mode 64 kbit/s unrestricted, 8 kHz structured bearer service
I.231.2 : Circuit-mode 64 kbit/s, 8 kHz structured bearer service usable for speech information transfer
I.231.3 : Circuit-mode 64 kbit/s, 8 kHz structured bearer service usable for 3.1 kHz audio information transfer
I.231.4 : Circuit-mode, alternate speech / 64 kbit/s unrestricted, 8 kHz structured bearer service
I.231.5 : Circuit-mode 2 x 64 kbit/s unrestricted, 8 kHz structured bearer service
I.231.6 : Circuit-mode 384 kbit/s unrestricted, 8 kHz structured bearer service
I.231.7 : Circuit-mode 1536 kbit/s unrestricted, 8 kHz structured bearer service
I.231.8 : Circuit-mode 1920 kbit/s unrestricted, 8 kHz structured bearer service
I.231.9 : Circuit-mode 64 kbit/s 8 kHz structured multi-use bearer service
I.231.10 : Circuit-mode multiple-rate unrestricted 8 kHz structured bearer service
I.232.1 : Virtual call and permanent virtual circuit bearer service category
I.232.2 : Connectionless bearer service category
I.232.3 : User signalling bearer service category (USBS)
I.233.1 : ISDN frame relaying bearer service
I.233.2 : ISDN frame switching bearer service
I240-I249 : Teleservices supported by an ISDN
I.240 : Definition of teleservices
I.240 (draft) : Teleservices supported by an ISDN
I.241.1 : Telephony
I.241.2 : Teletex
I.241.3 : Telefax 4
I.241.4 : Mixed mode
I.241.5 : Videotex
I.241.6 : Telex
I.241.7 : Telephony 7 kHz teleservice
I.241.8 : Teleaction stage one service description
I250-I259 : Supplementary services in ISDN
I.250 : Definition of supplementary services
I.251.1 : Direct-dialling-In
I.251.2 : Multiple Subscriber Number
I.251.3 : Calling Line Identification Presentation
I.251.4 : Calling Line Identification Restriction
I.251.5 : Connected Line Identification Presentation (COLP)
I.251.6 : Connected Line Identification Restriction (COLR)
I.251.7 : Malicious call Identification
I.251.8 : Sub-addressing supplementary service
I.251.9 : Calling name identification presentation
I.251.10 : Calling name identification restriction
I.252.1 : Call Transfer
I.252.2 : Call Forwarding Busy
I.252.3 : Call Forwarding No Reply
I.252.4 : Call Forwarding Unconditional
I.252.5 : Call Deflection
I.252.6 : Line Hunting (LH)
I.252.7 : Explicit call transfer
I.253.1 : Call waiting (CW) supplementary service
I.253.2 : Call Hold
I.253.3 : Completion of calls to busy subscribers
I.253.4 : Completion of calls on no reply
I.254.1 : Conference calling (CONF)
I.254.2 : Three-Party Supplementary Service
I.254.5 : Meet-me conference
I.255.1 : Closed User Group
I.255.2 : Support of Private Numbering Plans
I.255.3 : Multi-level precedence and preemption service (MLPP)
I.255.4 : Priority service
I.255.5 : Outgoing call barring
I.256.1 : Credit card calling (CRED)
I.256.2a : Advice of charge: charging information at call set-up time (AOC-S)
I.256.2b : Advice of charge: charging information during the call (AOC-D)
I.256.2c : Advice of charge: charging information at the end of the call (AOC-E)
I.256.3 : Reverse charging
I.257.1 : User-to-User Signalling (UUS)
I.258.1 : Terminal portability (TP)
I.258.2 : In-call modification (IM)
I.259.1 : Address screening (ADS)
I300-I399 : Overall network aspects and functions
I330-I339 : Numbering, addressing and routing
I.331/E.164/Q.11 bis : The international public telecommunication numbering plan
Q series : Switching and signalling
Q4-Q59 : International automatic and semi-automatic working
Q10-Q11 : Numbering plan and dialling procedures in the international service
Q.11 bis/E.164/I.331 : The international public telecommunication numbering plan
Q35-Q39 : Tones for use in national signalling systems
Q.35/E.180 : Technical characteristics of tones for the telephone service
S series : Telegraph services terminal equipment
S1-S139 : Start-stop terminals
S.1 : International Telegraph Alphabet No. 2
S.2 : Coding scheme using International Telegraph Alphabet No. 2 (ITA2) to allow the transmission of capital and small letters
S.3 : Transmission characteristics of the local end with its termination (ITA2)
S.4 : Special use of certain characters of the International Telegraph Alphabet No. 2
S.5 : Standardization of page-printing start-stop equipment and cooperation between page-printing and tape-printing start-stop equipment (ITA2)
S.6 : Characteristics of answerback units (ITA2)
S.7 : Control of teleprinter motors
S.8 : Intercontinental standardization of the modulation rate of start-stop apparatus and of the use of combination No. 4 in figure-shift
S.9 : Switching equipment of start-stop apparatus
S.10 : Transmission at reduced character transfer rate over a standardized 50-baud telegraph channel
S.11 : Use of start-stop reperforating equipment for perforated tape retransmission
S.12 : Conditions that must be satisfied by synchronous systems operating in connection with standard 50-baud teleprinter circuits
S.13 : Use on radio circuits of 7-unit synchronous systems giving error correction by automatic repetition
S.14 : Suppression of unwanted reception in radiotelegraph multi-destination teleprinter systems
S.15 : Use of the telex network for data transmission at 50 bauds
S.16 : Connection to the telex network of an automatic terminal using a V.24 DCE/DTE interface
S.17 : Answer-back unit simulators
S.18 : Conversion between International Telegraph Alphabet No. 2 and International Alphabet No. 5
S.19 : Calling and answering in the telex network with automatic terminal equipment
S.20 : Automatic clearing procedure for a telex terminal
S.21 : Use of display screens in telex machines
S.22 : "Conversation impossible" and or pre-recorded message in response to J/BELL signals from a telex terminal
S.23 : Automatic request of the answerback of the terminal of the calling party, by the telex terminal of the called party or by the international network
S.30 : Standardization of basic model page-printing machine using International Alphabet No. 5
S.31 : Transmission characteristics for start-stop data terminal equipment using International Alphabet No. 5
S.32 : Answer-back units for 200- and 300-baud start-stop machines in accordance with Recommendation S.30
S.33 : Alphabets and presentation characteristics for the intex service
S.34 : Intex terminals – Requirements to effect interworking with the international telex service
S.35 : Answerback coding for the Intex service
S.36 : Intex and similar services – Terminal requirements to effect interworking between terminals operating at different speeds
S140-S199 : Definitions
S.140 : Definitions of essential technical terms relating to apparatus for alphabetic telegraphy
S supplements : Supplements to the Series S Recommendations
S Suppl. 1 : Minimal specifications for the bilingual (arabic/latin) teleprinter
X series : Data networks, open system communications and security
X1-X199 : Public data networks
X90-X149 : Network aspects
X.122/E.166 : Numbering plan interworking for the E.164 and X.121 numbering plans

 

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Updated : 2008-11-20