Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:smartphone
|
| gptkbp:abbreviation |
gptkb:POTS
|
| gptkbp:category |
landline telephone service
|
| https://www.w3.org/2000/01/rdf-schema#label |
plain old telephone service
|
| gptkbp:introduced |
late 19th century
|
| gptkbp:predecessor |
digital telephone service
|
| gptkbp:provides |
analog voice transmission
|
| gptkbp:regulates |
local telephone companies
|
| gptkbp:replacedBy |
gptkb:VoIP
gptkb:digital_subscriber_line mobile telephony |
| gptkbp:supports |
fax transmission
modem data transmission |
| gptkbp:uses |
gptkb:public_switched_telephone_network
analog signal 48V DC power RJ11 connector central office switch ringing voltage tip and ring wiring twisted pair copper wire |
| gptkbp:bfsParent |
gptkb:smartphone
|
| gptkbp:bfsLayer |
5
|