ITU-T - Q.310
Definition and Function of Signals - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
inactive
| Organization: | ITU-T |
| Publication Date: | 1 November 1988 |
| Status: | inactive |
| Page Count: | 2 |
Document History
November 1, 1988
Specifications of Signalling System R1
General
The development of new exchanges, especially those utilizing stored programme control, has introduced new concepts in the division of functions between various components of signalling and...
Q.310
November 1, 1988
Definition and Function of Signals - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
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