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Serveur SIP Proxy

ImageOpenSER est un mature et flexible locigiel libre serveur SIP (RFC3261). Il peut être utilisé sur un système à resources limités aussi bien qu’au niveau carrier, il est dimensionable jusqu’au milliers d’appels par seconde. Il a été développé en pur C pour  Unix/Linux systèmes avec architectural optimisation pour haut performance. Il peut être personnalisé, et utilisable comme load balancer. Serveur SIP applications sont : registreur, serveur de location, serveur de redirection, SMS/XMPP passerelle ou serveur d’application VoIP avancé.

 

OpenSER SIP Proxy
OpenSER SIP Proxy

 

Fonctionnalités OpenSER:

  • robust and performant SIP (RFC3261) Registrar server, Location server, Proxy server and Redirect server
  • small footprint - the binary file is small size, functionality can be stripped/added via modules
  • plug&play module interface - ability to add new extensions, without touching the core, therefore assuring a great stability of core components
  • stateless and transactional statefull SIP Proxy processing
  • support for UDP/TCP/TLS transport layers
  • IPv4 and IPv6
  • support for SRV and NAPTR DNS
  • SRV DNS failover
  • IP Blacklists
  • multi-homed (mhomed) and multi-domain support
  • scripting language for configurations file. With a syntax similar to sripting languages, the configuration offers a powerful and flexible way to deploy custom SIP services.
  • management interface via FIFO file and unix sockets
  • pseudo-variables to access and manage parts of the SIP messages and attributes specific to users and server
  • authentication, authorization and accounting (AAA) via database (MySQL, Postgress, text files), RADIUS and DIAMETER
  • digest and IP authentication
  • CPL - Call Processing Language (RFC3880)
  • SNMP - interface to Simple Network Management Protocol
  • XMLRPC -management interface via XMLRPC
  • NAT traversal support for SIP and RTP traffic
  • ENUM support
  • PERL Programming Interface - embed your extensions written in Perl
  • Java SIP Servlet Application Interface - write Java SIP Servlets to extent your VoIP services and integrate with web services
  • load balancing with failover
  • least cost routing
  • support for replication - REGISTER offer new functions for replicating client information (real source and received socket).
  • logging capabilities - can log custom messages including any header or pseudo-variable and parts of SIP message structure.
  • modular architecture - plug-and-play module interface to extend the server's functionality
  • gateway to sms or xmpp
  • multiple database backends - MySQL, PostgreSQL, flat files and other database types which have unixodbc drivers
  • straightforward interconnection with PSTN gateways
  • impressive extension repository - over 70 modules are included in OpenSER repository