Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:telecommunications_company
|
| gptkbp:category |
gptkb:private_branch_exchange
|
| gptkbp:developedBy |
gptkb:AT&T
|
| gptkbp:introducedIn |
1980s
|
| gptkbp:marketedAs |
gptkb:AT&T_System_85
|
| gptkbp:replacedBy |
gptkb:Definity_PBX
|
| gptkbp:supports |
gptkb:ISDN
data communication digital voice communication |
| gptkbp:usedFor |
business telephone systems
|
| gptkbp:bfsParent |
gptkb:AT&T_Technologies
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
System 85
|