CEPT - T/CAC S 10.7 E
Operational Requirements of ISDN Supplementary Services (Revised in Vienna 1989 (CAC) and Athens 1992)
active, Most Current
| Organization: | CEPT |
| Publication Date: | 1 January 1992 |
| Status: | active |
| Page Count: | 345 |
Document History
T/CAC S 10.7 E
January 1, 1992
Operational Requirements of ISDN Supplementary Services (Revised in Vienna 1989 (CAC) and Athens 1992)
A description is not available for this item.