custom local area signaling services (CLASS)
GPTKB entity
Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:smartphone
|
| gptkbp:abbreviation |
CLASS
|
| gptkbp:enables |
advanced calling features
|
| https://www.w3.org/2000/01/rdf-schema#label |
custom local area signaling services (CLASS)
|
| gptkbp:introduced |
1980s
|
| gptkbp:marketedAs |
local exchange carriers
|
| gptkbp:provides |
caller ID
call waiting call return call trace automatic callback call block repeat dialing |
| gptkbp:region |
gptkb:North_America
|
| gptkbp:used_in |
gptkb:public_switched_telephone_network
|
| gptkbp:uses |
gptkb:SS7_signaling
|
| gptkbp:bfsParent |
gptkb:Advanced_Intelligent_Network_(AIN)
|
| gptkbp:bfsLayer |
8
|