ETSI - ETR 203
Public Switched Telephone Network (PSTN); Messages and Formats for Push- Button Dialling; (CEPT Recommendation T/CS 28-01 E (1980))
active, Most Current
| Organization: | ETSI |
| Publication Date: | 1 January 1995 |
| Status: | active |
| Page Count: | 7 |
Document History
ETR 203
January 1, 1995
Public Switched Telephone Network (PSTN); Messages and Formats for Push- Button Dialling; (CEPT Recommendation T/CS 28-01 E (1980))
A description is not available for this item.