CEPT - T/CS 49-01 E
System L1 Signalling over International Inter-PABX Lines
active, Most Current
| Organization: | CEPT |
| Publication Date: | 1 January 1986 |
| Status: | active |
| Page Count: | 8 |
Document History
T/CS 49-01 E
January 1, 1986
System L1 Signalling over International Inter-PABX Lines
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