ITU-T I.257.1
User-to-User Signalling (UUS) - Integrated Services Digital Network (ISDN) - Service Capabilities (Study Group 1) 19 pp
active, Most Current
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| Organization: | ITU-T |
| Publication Date: | 1 October 1995 |
| Status: | active |
| Page Count: | 19 |
Document History
ITU-T I.257.1
October 1, 1995
User-to-User Signalling (UUS) - Integrated Services Digital Network (ISDN) - Service Capabilities (Study Group 1) 19 pp
A description is not available for this item.
January 1, 1992
User-to-User Signalling (Study Group I) 18 pp
A description is not available for this item.