ITU-T Q.724
Signalling Procedures
active, Most Current
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| Organization: | ITU-T |
| Publication Date: | 1 November 1988 |
| Status: | active |
| Page Count: | 46 |
Document History
November 5, 2001
Telephone user part signalling procedures
A description is not available for this item.
ITU-T Q.724
November 1, 1988
Signalling Procedures
A description is not available for this item.