SIP Express Router (SER) is a high-performance, configurable, free SIP server . It can act as SIP registrar, proxy or redirect server.
SER features an application-server interface, presence support, SMS gateway, SIMPLE2Jabber gateway, RADIUSi/syslog accounting and authorization, server status monitoring, FCP security, etc. Web-based user provisioning, serweb, available.
Its performance allows it to deal with operational burdens, such as broken network components, attacks, power-up reboots and rapidly growing user population. SER's configuration ability meets needs of a whole range of scenarios including small-office use, enterprise PBXi replacements and carrier services.
Applicability Statement: SER has been extensively and successfuly tested with many SIP products from other vendors (Microsoft, Cisco, Mitel, snom, Pingtel, Siemens, and many others). It has been powering our SIP services continuously for more than two years.
Technical Information: C-Written. Ported to Linux (PC, IPAQ), BSD (PC) and Solaris (Sun). Throughput thousands of calls per second (CPSi) on a dual-CPU PC (capacity needed to cover Bay Area) and hundreds of CPS on Compaq IPAQ. Support for both IPv4 and IPv6. Small footprint size: 300k core, all common modules (optional) up to 630k.
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