ITU-T I.253.4
Call Completion Supplementary Services: Completion of Calls on No Reply - Series I: Integrated Services Digital Network; Service Capabilities - Supplementary Services in ISDN
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| Organization: | ITU-T |
| Publication Date: | 1 July 1996 |
| Status: | active |
| Page Count: | 28 |
Document History
ITU-T I.253.4
July 1, 1996
Call Completion Supplementary Services: Completion of Calls on No Reply - Series I: Integrated Services Digital Network; Service Capabilities - Supplementary Services in ISDN
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