ECMA 194
Private Telecommunication Networks (PTN) - Inter-Exchange Signalling Protocol - Do Not Disturb and Do Not Disturb Override Supplementary Services (QSIG-DND(O))
inactive, Most Current
| Organization: | ECMA |
| Publication Date: | 1 January 1993 |
| Status: | inactive |
| Page Count: | 59 |
Document History
ECMA 194
January 1, 1993
Private Telecommunication Networks (PTN) - Inter-Exchange Signalling Protocol - Do Not Disturb and Do Not Disturb Override Supplementary Services (QSIG-DND(O))
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