ITU-T - I.253.3
Completion of Calls to Busy Subscribers - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 3 pp
inactive
| Organization: | ITU-T |
| Publication Date: | 1 January 1988 |
| Status: | inactive |
| Page Count: | 29 |
Document History
July 1, 1996
Call Completion Supplementary Services: Completion of Calls to Busy Subscribers - Series I: Integrated Services Digital Network; Service Capabilities - Supplementary Services in ISDN
A description is not available for this item.
I.253.3
January 1, 1988
Completion of Calls to Busy Subscribers - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 3 pp
A description is not available for this item.