Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telephone switch
|
| gptkbp:developedBy |
gptkb:Bell_Labs
|
| https://www.w3.org/2000/01/rdf-schema#label |
2ESS switch
|
| gptkbp:introducedIn |
1972
|
| gptkbp:locationOfDeployment |
gptkb:United_States
|
| gptkbp:manufacturer |
gptkb:Western_Electric
|
| gptkbp:predecessor |
gptkb:1ESS_switch
|
| gptkbp:successor |
gptkb:5ESS_switch
|
| gptkbp:technology |
electronic switching system
|
| gptkbp:usedFor |
telephone call routing
|
| gptkbp:usedIn |
gptkb:public_switched_telephone_network
|
| gptkbp:bfsParent |
gptkb:1ESS_switch
|
| gptkbp:bfsLayer |
7
|