Kamailio (formerly named OpenSER) is a high-performance SIP (RFC3261) server, with a flexible architecture and many extensions. The server implements proxy, registrar, redirect, and location SIP/VoIP services. It has support for UDP/TCP/TLS transport layers, ENUM, AAA via database, RADIUS, DIAMETER, gateways to SMS and XMPP, least cost routing, load balancing, NAT traversal, and call processing language.
SIREMIS is a Web management interface for Kamailio (OpenSER). It features subscriber, database aliases, and speed dial management; location table view; dispatcher, prefix-domain translation, and least cost routing management; access control lists (user groups) and permissions management; accounting records, missed calls, and call data records view; hash table, dial plan table, and user preferences table management; and offline message storage view. It is developed on top of a framework (PHP/Web2.0/AJAX), and has XML metadata-driven extensions and an MVC architecture.
A set of libraries and tools for reading, mastering, and writing optical discs.