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ITU-T Recommendations
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ITU-T Recommendations
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ITU-T Recommendations by series
Select a series of Recommendations
A series: Organization of the work of ITU-T
D series: Tariff and accounting principles and international telecommunication/ICT economic and policy issues
E series: Overall network operation, telephone service, service operation and human factors
F series: Non-telephone telecommunication services
G series: Transmission systems and media, digital systems and networks
H series: Audiovisual and multimedia systems
I series: Integrated services digital network
J series: Cable networks and transmission of television, sound programme and other multimedia signals
K series: Protection against interference
L series: Environment and ICTs, climate change, e-waste, energy efficiency; construction, installation and protection of cables and other elements of outside plant
M series: Telecommunication management, including TMN and network maintenance
N series: Maintenance: international sound programme and television-transmission circuits
O series: Specifications of measuring equipment
P series: Telephone transmission quality, telephone installations, local line networks
Q series: Switching and signalling, and associated measurements and tests
R series: Telegraph transmission
S series: Telegraph services terminal equipment
T series: Terminals for telematic services
U series: Telegraph switching
V series: Data communication over the telephone network
X series: Data networks, open system communications and security
Y series: Global information infrastructure, Internet protocol aspects, next-generation networks, Internet of Things and smart cities
Z series: Languages and general software aspects for telecommunication systems
J series
: Cable networks and transmission of television, sound programme and other multimedia signals
J.1-J.9
: General Recommendations
J.10-J.19
: General specifications for analogue sound-programme transmission
J.20-J.29
: Performance characteristics of analogue sound-programme circuits
J.30-J.39
: Equipment and lines used for analogue sound-programme circuits
[Empty]
J.40-J.49
: Digital encoders for analogue sound-programme signals - Part 1
J.50-J.59
: Digital transmission of sound-programme signals
J.60-J.69
: Circuits for analogue television transmission
J.70-J.79
: Analogue television transmission over metallic lines and interconnection with radio-relay links
[Empty]
J.80-J.89
: Digital transmission of television signals
J.90-J.99
: Ancillary digital services for television transmission
J.100-J.109
: Operational requirements and methods for television transmission
J.110-J.129
: Interactive systems for digital television distribution (DOCSIS first and second generations)
J.130-J.139
: Transport of MPEG-2 signals on packetized networks
J.140-J.149
: Measurement of the quality of service - Part 1
J.150-J.159
: Digital television distribution through local subscriber networks
J.160-J.179
: IPCablecom (MGCP-based) - Part 1
J.180-J.189
: Digital transmission of television signals - Part 1
J.190-J.199
: Cable modems and home networking
J.200-J.209
: Application for Interactive Digital Television - Part 1
J.210-J.229
: Interactive systems for digital television distribution (DOCSIS third to fifth generations)
J.230-J.239
: Multi-device systems for cable television
J.240-J.249
: Measurement of the quality of service - Part 2
J.250-J.259
: Digital television distribution through local subscriber networks
[Empty]
J.260-J.279
: IPCablecom (MGCP-based) - Part 2
J.280-J.289
: Digital transmission of television signals - Part 2
J.290-J.299
: Cable set-top box
J.300-J.309
: Application for Interactive Digital Television - Part 2
J.340-J.349
: Measurement of the quality of service - Part 3
J.360-J.379
: IPCablecom2 (SIP-based) - Part 1
J.380-J.389
: Digital transmission of television signals - Part 3
J.440-J.449
: Measurement of the quality of service - Part 4
[Empty]
J.460-J.479
: IPCablecom2 (SIP-based) - Part 2
J.480-J.489
: Digital transmission of television signals - Part 4
J.600-J.699
: Transport of Large Screen Digital Imagery
J.700-J.799
: Secondary distribution of IPTV services
J.800-J.899
: Multimedia over IP in cable
J.900-J.999
: Transmission of 3-D TV services
J.1000-J.1099
: Conditional access and protection
J.1100-J.1119
: Switched digital video over cable networks
J.1200-J.1209
: Smart TV operating system
J.1210-J.1219
: IP Video Broadcast
J.1290-J.1299
: Cable set-top box - part 2
J.1300-J.1309
: Cloud-based converged media services for IP and broadcast cable television
J.1310-J.1319
: Cloud-based Services for IP Delivery over integrated broadband cable network
J.1400-J.1409
: Television transport network and system deployment in developing countries
J.1600-J.1649
: Artificial intelligence (AI) assisted cable networks
J supplements
: Supplements to ITU-T J-series Recommendations
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