ITU-T I.231.4
CIRCUIT-MODE BEARER SERVICE CATEGORIES – CIRCUIT-MODE, ALTERNATE SPEECH / 64 kbit/s UNRESTRICTED, 8 kHz STRUCTURED BEARER SERVICE
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| Organization: | ITU-T |
| Publication Date: | 1 November 1988 |
| Status: | active |
| Page Count: | 6 |
scope:
General description
Once the connection is established, the user may repeatedly request via appropriate signalling messages, to alternate from speech mode to 64 kbit/s unrestricted digital mode, or vice versa. The in-call modification shall be provided on a per call basis.
Document History
ITU-T I.231.4
November 1, 1988
CIRCUIT-MODE BEARER SERVICE CATEGORIES – CIRCUIT-MODE, ALTERNATE SPEECH / 64 kbit/s UNRESTRICTED, 8 kHz STRUCTURED BEARER SERVICE
General description
Once the connection is established, the user may repeatedly request via appropriate signalling messages, to alternate from speech mode to 64 kbit/s unrestricted digital mode, or...