CEPT - T/CS 28-01 E
Messages and Formats for Push-Button Dialling
active, Most Current
| Organization: | CEPT |
| Publication Date: | 1 January 1980 |
| Status: | active |
| Page Count: | 4 |
Document History
T/CS 28-01 E
January 1, 1980
Messages and Formats for Push-Button Dialling
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