ITU-T Q.957
Stage 3 Description for Additional Information Information Transfer Supplementary Services Using DSS 1 Clause 1 - User-to-User Signalling (UUS) - Digital Subscriber Signalling System No. 1 - Stage 3 Description for Supp. Services Using DSS 1 (Study Group XI) 23 pp
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| Organization: | ITU-T |
| Publication Date: | 1 January 1993 |
| Status: | active |
| Page Count: | 23 |
Document History
ITU-T Q.957
January 1, 1993
Stage 3 Description for Additional Information Information Transfer Supplementary Services Using DSS 1 Clause 1 - User-to-User Signalling (UUS) - Digital Subscriber Signalling System No. 1 - Stage 3 Description for Supp. Services Using DSS 1 (Study Group XI) 23 pp
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