:Category:ITU-T recommendations

ITU-T Recommendations are the names given to telecommunications and computer protocol

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Series ! Description
A \| Organization of the work of ITU-T
B \| Means of expression: definitions, symbols, classification
C \| General telecommunication statistics
D \| General tariff principles
E \| Overall network operation, telephone service, service operation and human factors
F \| Non-telephone telecommunication services
G \| Transmission systems and media, digital systems and networks
H \| Audiovisual and multimedia systems
I \| Integrated services digital network
J \| Cable networks and transmission of television, sound programme and other multimedia signals
K \| Protection against interference
L \| Construction, installation and protection of cables and other elements of outside plant
M \| Telecommunication management, including TMN and network maintenance
N \| Maintenance: international sound programme and television transmission circuits
O \| Specifications of measuring equipment
P \| Telephone transmission quality, telephone installations, local line networks
Q \| Switching and signalling
R \| Telegraph transmission
S \| Telegraph services terminal equipment
T \| Terminals for telematic services
U \| Telegraph switching
V \| Data communication over the telephone network
X \| Data networks, open system communications and security
Y \| Global information infrastructure, Internet protocol aspects, next-generation networks, Internet of Things and smart cities
Z \| Languages and general software aspects for telecommunication systems

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Series

! Description

| Organization of the work of ITU-T

| Means of expression: definitions, symbols, classification

| General telecommunication statistics

| General tariff principles

| Overall network operation, telephone service, service operation and human factors

| Non-telephone telecommunication services

| Transmission systems and media, digital systems and networks

| Audiovisual and multimedia systems

| Integrated services digital network

| Cable networks and transmission of television, sound programme and other multimedia signals

| Protection against interference

| Construction, installation and protection of cables and other elements of outside plant

| Telecommunication management, including TMN and network maintenance

| Maintenance: international sound programme and television transmission circuits

| Specifications of measuring equipment

| Telephone transmission quality, telephone installations, local line networks

| Switching and signalling

| Telegraph transmission

| Telegraph services terminal equipment

| Terminals for telematic services

| Telegraph switching

| Data communication over the telephone network

| Data networks, open system communications and security

| Global information infrastructure, Internet protocol aspects, next-generation networks, Internet of Things and smart cities

| Languages and general software aspects for telecommunication systems