| Standardization Area |
Code |
Standardization Domain |
Code |
| Generic |
00 |
Generic |
00 |
| Cables/networkcomponent |
01 |
Terminology |
01 |
| Public Switched Telephone Network (PSTN) |
02 |
Terminals equipment adaptor |
02 |
| Leased lines |
03 |
Interfaces/protocols |
03 |
| Integrated Services Digital Network (ISDN) |
04 |
Numbering, Addressing |
04 |
| Signalling networks |
05 |
Routing |
05 |
| Intelligent Network (IN) |
06 |
Signalling |
06 |
| Broadband Integrated Services Digital Network (B-ISDN). Asynchronous Transfer Mode (ATM) |
07 |
Interworking |
07 |
| Data networks |
08 |
Synchronization |
08 |
| Telecommunications Management Network (TMN). Customer Network Management (CNM) |
09 |
Switching |
09 |
| Universal Personal Telecommunication (UPT) |
10 |
Network capabilities |
10 |
| Plesiochronous Digital Hierarchy (PDH) |
11 |
Tariff/charging/accounting |
11 |
| Synchronous Digital Hierarchy (SDH) |
12 |
Network Performance (NP). Quality of Service (QOS) |
12 |
| Fibre To The Home (FTTH). Fibre To The Curb (FTTC). Fibre In The Loop (FITL) |
13 |
Traffic management |
13 |
| Wireless |
14 |
Traffic engineering |
14 |
| IMT-2000. Mobile |
15 |
ElectroMagnetic Compatibility (EMC). Protection. Safety |
15 |
| Satellite |
16 |
Signals processing |
16 |
| Software/application |
17 |
Languages for telecommunications |
17 |
| Other |
18 |
Human factors |
18 |
| Telephone service |
19 |
Service definition |
19 |
| Facsimile |
20 |
Bearer services |
20 |
| Bureau services |
21 |
Teleservices |
21 |
| Telex |
22 |
Supplementary services |
22 |
| INTEX |
23 |
Audiovisual/Multimedia |
23 |
| Public Switched Telephone Network (PSTN) based services |
24 |
Service management |
24 |
| Data services |
25 |
Fault, Configuration, Accounting, Performance and Security Management (FCAPS);
OAM&P (Operations, Administration, Maintenance and Provisioning) |
25 |
| Videotex |
26 |
Testing |
26 |
| Directories |
27 |
Architecture |
27 |
| Cards |
28 |
|
28 |
| Message Handling Systems (MHS) |
29 |
Security |
29 |
| AudioVisual MultiMedia Systems (AVMMS) |
30 |
Transmission system/equipment |
30 |
| Sound and television (TV) transmission |
31 |
Infrastructure |
31 |
| Open Systems Interconnection (OSI) |
32 |
System management |
32 |
| Optical Networking |
33 |
User suitability |
33 |
| Access Networks |
34 |
Others |
34 |
| IP-based Networks |
35 |
Conditional access |
35 |
| IP-based Services |
36 |
Objective video quality measurement |
36 |
| Systems Beyond IMT-2000, Mobile |
37 |
|
|
| Next Generation Networks (NGN) |
38 |
|
|
| Cable (hybrid coaxial-fiber) access network |
39 |
|
|
| IP Cablecom |
40 |
|
|
| Cable services |
41 |
|
|
| No area specified |
99 |
No domain specified |
99 |