ETSI - ETR 207
Public Switched Telephone Network (PSTN); Alternative Sender for Multifrequency Signalling System to Be Used for Push-Button Telephones; (CEPT Recommendation T/STI 46-04 E (1986))
active, Most Current
| Organization: | ETSI |
| Publication Date: | 1 January 1995 |
| Status: | active |
| Page Count: | 17 |
Document History
ETR 207
January 1, 1995
Public Switched Telephone Network (PSTN); Alternative Sender for Multifrequency Signalling System to Be Used for Push-Button Telephones; (CEPT Recommendation T/STI 46-04 E (1986))
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