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This Addendum covers the two news contexts basic service and line identity.
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.040.35 : Telephone networks
|
| Number of pages | 6 |
| Modify | ITU-T Q.1218 (1995-10)
|
| Year | 1990 |
| Document history | |
| Country | International |
| Keyword | CCITT Q.1218;CCITT Q.1218 ADD 1;ITU-T Q.1218;ITU-T 1218;1218;ITU-T Q.1218 ADD 1 |