Home›Computer-related introductions in 1984›Signalling System No. 7🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусский中文日本語EntityQ1139465· pop 22· linked from 399 articlesSignalling System No. 7Also known as SS7, Signaling System No. 7set of telephony signaling protocolsAvailable in 22 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoBanglaCatalanConnectionsmulti-factor authenticationEntitysignalingEntityCategoriesComputer-related introductions in 1984ITU-T recommendationsNetwork protocolsSignaling System 7TelephonyTelephony signals