ECMA 133
Reference Configurations for Calls Through Exchanges of Private Telecommunication Networks
inactive, Most Current
| Organization: | ECMA |
| Publication Date: | 1 January 1989 |
| Status: | inactive |
| Page Count: | 14 |
Document History
ECMA 133
January 1, 1989
Reference Configurations for Calls Through Exchanges of Private Telecommunication Networks
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