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- Signalling_System_No._7 abstract "Signalling System No. 7 (SS7) is a set of telephony signaling protocols which are being used to set up most of the world's public switched telephone network (PSTN) telephone calls. The main purpose is to set up and tear down telephone calls. Other uses include number translation, local number portability, prepaid billing mechanisms, short message service (SMS), and a variety of other mass market services.It is usually referenced as Signalling System No. 7 or Signalling System #7, or simply abbreviated to SS7. In North America it is often referred to as CCSS7, an abbreviation for Common Channel Signalling System 7. In some European countries, specifically the United Kingdom, it is sometimes called C7 (CCITT number 7) and is also known as number 7 and CCIS7 (Common Channel Interoffice Signaling 7). In Germany it is often called N7 (Signalisierungssystem Nummer 7).There is only one international SS7 protocol defined by ITU-T in its Q.700-series recommendations. There are however, many national variants of the SS7 protocols. Most national variants are based on two widely deployed national variants as standardized by ANSI and ETSI, which are in turn based on the international protocol defined by ITU-T. Each national variant has its own unique characteristics. Some national variants with rather striking characteristics are the Chinese and Japanese (TTC) national variants.The Internet Engineering Task Force (IETF) has also defined level 2, 3, and 4 protocols that are compatible with SS7: Message Transfer Part (MTP) level 2 (M2UA and M2PA) Message Transfer Part (MTP) level 3 (M3UA) Signalling Connection Control Part (SCCP) (SUA)but use a Stream Control Transmission Protocol (SCTP) transport mechanism. This suite of protocols is called SIGTRAN.".
- Signalling_System_No._7 wikiPageExternalLink services-tutorials.php.
- Signalling_System_No._7 wikiPageExternalLink en.
- Signalling_System_No._7 wikiPageExternalLink intro.html.
- Signalling_System_No._7 wikiPageExternalLink www.openss7.org.
- Signalling_System_No._7 wikiPageExternalLink ss7.pdf.
- Signalling_System_No._7 wikiPageExternalLink ss7-tutorial.
- Signalling_System_No._7 wikiPageExternalLink ss7.html.
- Signalling_System_No._7 wikiPageExternalLink www.yate.ro.
- Signalling_System_No._7 wikiPageID "100098".
- Signalling_System_No._7 wikiPageRevisionID "605584011".
- Signalling_System_No._7 hasPhotoCollection Signalling_System_No._7.
- Signalling_System_No._7 subject Category:ITU-T_recommendations.
- Signalling_System_No._7 subject Category:Signaling_System_7.
- Signalling_System_No._7 subject Category:Telephony.
- Signalling_System_No._7 comment "Signalling System No. 7 (SS7) is a set of telephony signaling protocols which are being used to set up most of the world's public switched telephone network (PSTN) telephone calls. The main purpose is to set up and tear down telephone calls. Other uses include number translation, local number portability, prepaid billing mechanisms, short message service (SMS), and a variety of other mass market services.It is usually referenced as Signalling System No.".
- Signalling_System_No._7 label "Signaling System 7".
- Signalling_System_No._7 label "Signaling System 7".
- Signalling_System_No._7 label "Signaling System 7".
- Signalling_System_No._7 label "Signalling System 7".
- Signalling_System_No._7 label "Signalling System No. 7".
- Signalling_System_No._7 label "Sinalização por canal comum número 7".
- Signalling_System_No._7 label "Sistema de señalización por canal común n.º 7".
- Signalling_System_No._7 label "ОКС-7".
- Signalling_System_No._7 label "七号信令系统".
- Signalling_System_No._7 label "共通線信号No.7".
- Signalling_System_No._7 sameAs Signalizační_systém_č._7.
- Signalling_System_No._7 sameAs Signalling_System_7.
- Signalling_System_No._7 sameAs Sistema_de_señalización_por_canal_común_n.º_7.
- Signalling_System_No._7 sameAs Signaling_System_7.
- Signalling_System_No._7 sameAs Signaling_System_7.
- Signalling_System_No._7 sameAs 共通線信号No.7.
- Signalling_System_No._7 sameAs Signaling_System_7.
- Signalling_System_No._7 sameAs Sinalização_por_canal_comum_número_7.
- Signalling_System_No._7 sameAs m.0phxn.
- Signalling_System_No._7 sameAs Q1139465.
- Signalling_System_No._7 sameAs Q1139465.
- Signalling_System_No._7 wasDerivedFrom Signalling_System_No._7?oldid=605584011.
- Signalling_System_No._7 isPrimaryTopicOf Signalling_System_No._7.