ETSI - ETR 201
Public Switched Telephone Network (PSTN); Register-Recall; (CEPT Recommendation T/CS 20-09 E (1980))
active, Most Current
| Organization: | ETSI |
| Publication Date: | 1 January 1995 |
| Status: | active |
| Page Count: | 6 |
Document History
ETR 201
January 1, 1995
Public Switched Telephone Network (PSTN); Register-Recall; (CEPT Recommendation T/CS 20-09 E (1980))
A description is not available for this item.