ECMA 143
Private Telecommunication Network (PTN) - Inter-Exchange Signalling Protocol - Circuit Mode Basic Services (QSIG-BC)
inactive, Most Current
| Organization: | ECMA |
| Publication Date: | 1 January 1992 |
| Status: | inactive |
| Page Count: | 157 |
Document History
ECMA 143
January 1, 1992
Private Telecommunication Network (PTN) - Inter-Exchange Signalling Protocol - Circuit Mode Basic Services (QSIG-BC)
A description is not available for this item.