Signalling System No. 7
id:
signalling-system-no-7-178-17909960
title:
Signalling System No. 7
text:
Signalling System No. 7 (SS7) is a set of telephony signaling protocols developed in the 1970s, which is used to set up and tear down telephone calls in most parts of the world-wide public switched telephone network (PSTN). The protocol also performs number translation, local number portability, prepaid billing, Short Message Service (SMS), and other services. The protocol was introduced in the Bell System in the United States by the name Common Channel Interoffice Signaling in the 1970s for sig
brand slug:
wiki
category slug:
encyclopedia
description:
Set of telephony signaling protocols
original url:
https://en.wikipedia.org/wiki/Signalling_System_No._7
date created:
2002-10-06T17:56:43Z
date modified:
2024-09-04T19:35:13Z
main entity:
{"identifier":"Q1139465","url":"https://www.wikidata.org/entity/Q1139465"}
image:
fields total:
13
integrity:
15