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This Recommendation defines services available and signalling procedures operated at the S/T-reference point of an ISDN for subscribing packet mode terminal equipment, and terminal adaptor functionalities to support existing X.25 terminals at the R-reference point of the ISDN.
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.080 : Integrated Services Digital Network (ISDN)
35.200 : Interface and interconnection equipment |
| Number of pages | 59 |
| Replace | ITU-T X.31 (1993-03) |
| Year | 1990 |
| Document history | ITU-T X.31 (1995-11) |
| Country | Switzerland |
| Keyword | CCITT X.31;ITU-T 31;31;ITU-T X.31 |