ITU-T Q.731.1
Stage 3 Description for Numbering Identification Supplementary Services Using SS No. 7: Direct-Dialling-in (DDI) - Series Q: Switching and Signalling; Specifications of Signalling System No. 7 - ISDN Supplementary Services
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| Organization: | ITU-T |
| Publication Date: | 1 July 1996 |
| Status: | active |
| Page Count: | 15 |
Document History
ITU-T Q.731.1
July 1, 1996
Stage 3 Description for Numbering Identification Supplementary Services Using SS No. 7: Direct-Dialling-in (DDI) - Series Q: Switching and Signalling; Specifications of Signalling System No. 7 - ISDN Supplementary Services
A description is not available for this item.