plain old telephone service

GPTKB entity

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