ITU-T - Q.312
Line Signalling-2600 Hz Line Signal Sender (Transmitter) - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
inactive, Most Current
| Organization: | ITU-T |
| Publication Date: | 1 November 1988 |
| Status: | inactive |
| Page Count: | 1 |
Document History
Q.312
November 1, 1988
Line Signalling-2600 Hz Line Signal Sender (Transmitter) - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
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