Name:
ITU-T I.231.4 PDF
Published Date:
11/01/1988
Status:
[ Active ]
Publisher:
International Telecommunication Union-T
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.
| Edition : | 88 |
| File Size : | 1 file |
| Number of Pages : | 6 |
| Published : | 11/01/1988 |