Noun
PSTN (plural PSTNs)
(telecommunications) Initialism of Public switched telephone network.
At the time, 'CAS' inter node signaling was slow and inter-register signaling MF5, developed from PSTN signalling protocols, was complex and would not support sufficient features. Source: Internet
CDLP customer premises equipment (CPE) was capable of both PSTN (telephone network) and radio frequency (cable network) return paths. Source: Internet
A motivating goal for SIP was to provide a signaling and call setup protocol for IP-based communications that can support a superset of the call processing functions and features present in the public switched telephone network (PSTN). Source: Internet
Commonly used are DTMF broadcasts over phone lines (direct connection or standard PSTN ) or over radio broadcast. Source: Internet
If a subscriber dials digit "8" (prefix of the long-distance connection in the national PSTN) all further processing of the call is a function of a toll exchange. Source: Internet
E.163 E.163 was the former ITU-T recommendation for describing telephone numbers for the public switched telephone network (PSTN). Source: Internet