ITU-T - Q.450
Interregister Signalling - General - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
inactive, Most Current
| Organization: | ITU-T |
| Publication Date: | 1 January 1989 |
| Status: | inactive |
| Page Count: | 2 |
Document History
Q.450
January 1, 1989
Interregister Signalling - General - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
A description is not available for this item.