Publisher review:SIP Express Router (SERi) is a high-performance, configurable, free SIP server. SIP Express Router (SERi) is a high-performance, configurable, free SIP server licensed under the open-source GNU license .
It can act as SIP (RFC 3261) registrar, proxy or redirect server. SER can be configured to serve specialized purposes such as load balancing or SIP front-end to application servers, SEMS for example. Together with the RTPproxy software it can act as media relay or Session Border Controller.
SER features complete support of RFC 3261 functionality, a variety of database backends (mysql, oracle, postgres, radius, text-db), management features (remote management via XML-RPC, load-balancing), NATi traversal, telephony features (LCR, speeddial), multidomain hosting, ENUM, presence, and even more.
Main Features:
Transport
- Full support for both IPv4 and IPv6
- Support for TLS (Transport Layer Security) on both IPv4 and IPv6
- TCP/IP with support for large number of simultaneous connections
- DNS SRV and NAPTR support for server discovery
- DNS cache with SRV and fail-over support
- Multicast support
- UDP support
Management and Administration
- XML-RPC Based Management Interface
- Web Based Provisioning Interface: SERWeb
- Plaintext Management Interface for easy integration with shell scripts
- TCP/IP management interface for remote administration
Security
- Support for TLS certificate based authentication and authorization
- Digest authentication with extra protection of selected parts of SIP messages
- DNS black lists
- Detection of abnormal conditions through pike and ratelimit modules
Database Support
- MySQL
- PostgreSQL
- Plain-text files
- XML-based schema description language
Internals
- Written in C and optimized for performance
- Excellent portability with platform-specific optimizations
- Small footprint
- Flexible module API for 3rd party extensions
SIP Express Router Application 0.9.6 is a C/C++ script for PHP Classes scripts design by iptel.org.
It runs on following operating system: Linux / Mac OS / BSD / Solaris.
Operating system:Linux / Mac OS / BSD / Solaris
SIP Express Router Application 0.9.6 script details 
