Signaling System No. 5
id:
signaling-system-no-5-287-85615
title:
Signaling System No. 5
text:
The Signaling System No. 5 (SS5) is a multi-frequency (MF) telephone signaling system that was in use from the 1970s for International Direct Distance Dialing (IDDD). Internationally it became known as CCITT5 or CC5. It was also nicknamed Atlantic Code because it was used for the first IDDD connections between Europe and North America. Signaling systems in use at the time were designed for in-band signaling, meaning they used the same channel as the media that they controlled. SS5 was designed f
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Signaling_System_No._5
date created:
date modified:
2023-07-22T18:15:46Z
main entity:
{"identifier":"Q7512768","url":"https://www.wikidata.org/entity/Q7512768"}
image:
fields total:
13
integrity:
13