ECMA 192
Private Telecommunication Networks (PTN) - Inter-Exchange Signalling Protocol - Call Offer Supplementary Service (QSIG-CO)
inactive, Most Current
| Organization: | ECMA |
| Publication Date: | 1 January 1993 |
| Status: | inactive |
| Page Count: | 38 |
Document History
ECMA 192
January 1, 1993
Private Telecommunication Networks (PTN) - Inter-Exchange Signalling Protocol - Call Offer Supplementary Service (QSIG-CO)
A description is not available for this item.