ECMA 191
Private Telecommunication Networks (PTN) - Specification, Functional Model and Information Flows - Call Offer Supplementary Service (COSD)
inactive, Most Current
| Organization: | ECMA |
| Publication Date: | 1 January 1993 |
| Status: | inactive |
| Page Count: | 42 |
Document History
ECMA 191
January 1, 1993
Private Telecommunication Networks (PTN) - Specification, Functional Model and Information Flows - Call Offer Supplementary Service (COSD)
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