Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
business telephone system
|
| gptkbp:features |
key telephone system functions
|
| https://www.w3.org/2000/01/rdf-schema#label |
AT&T ComKey system
|
| gptkbp:introducedIn |
1960s
|
| gptkbp:manufacturer |
gptkb:AT&T
|
| gptkbp:marketedAs |
gptkb:Western_Electric
|
| gptkbp:replacedBy |
electronic key systems
|
| gptkbp:supports |
intercom functionality
multiple telephone lines |
| gptkbp:usedFor |
small business telephone communication
|
| gptkbp:usedIn |
gptkb:United_States
|
| gptkbp:bfsParent |
gptkb:Merlin_telephone_system
|
| gptkbp:bfsLayer |
7
|