Common Channel Signaling System No. 7 (aka SS7 or C7) is a global standard for telecommunications defined by the International Telecommunication Union (ITU) Telecommunication Standardization Sector (ITU-T). The standard defines the procedures and protocol by which network elements in the public switched telephone network PSTN exchange information over a digital signaling network to effect wireless (cellular) and wireline call setup, routing and control. The ITU definition of SS7 allows for national variants such as the American National Standards Institute (ANSI) and Bell Communications (Telcordia Technologies) standards used in North America and the European Telecommunications Standards Institute (ETSI) standard used in Europe.
Reference pages
- VoIP and SS7 Development Services FREE Consultancy Session until Oct 31st 2010
- SS7 over IP
- ATM SS7 Interworking International Engineering Consortium
- Matthew Fredrickson new Digium SS7 implementation Summer 2006
- SS7 insights - Typical SS7 Case Studies
- Low cost entry to SS7 interconnect + more: by Squire Technologies
- What is SS7 or C7? by Squire Technologies
- SS7 Tutorials and Resources by Telecom Space
- SS7 Tutorial by Performance Technologies
- Converged Communications Intel Technology Journal
- SS7 Tutorial White Paper by the International Engineering Consortium
- SS7 Training Courses by Lee Dryburgh
- SS7 HTML Book SS7 book written by Cisco, available for free, courtesy of Lee Dryburgh
- http://wiki.sangoma.com/smg-ss7-demo Sangoma testing back to back with A10x cards
SS7 Forums
- SS7 and SIGTRAN Signalling Forum hosted by Dialogic