Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:private_branch_exchange
|
| gptkbp:category |
gptkb:industrial_equipment
|
| gptkbp:manufacturer |
gptkb:Siemens
|
| gptkbp:marketedIn |
gptkb:Russia
gptkb:Eastern_Europe |
| gptkbp:supports |
gptkb:ISDN
analog lines digital lines |
| gptkbp:technology |
digital
|
| gptkbp:usedFor |
telephone switching
|
| gptkbp:bfsParent |
gptkb:Princeton_Beta_Experiment_(PBX)
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
PBX-M
|