The project launched Nov 04, 2008 – join of Kamailio (OpenSER) and SIP Express Router (SER).

The SIP Router Project aims to build a solid open source SIP routing platform, based on collaboration of the SIP Express Router (SER) and Kamailio (OpenSER) teams.

Developers of these two projects believe that an united and non-conflicting environment will bring many benefits, to them, community members and companies.

  • bring together the developers and user communities of both projects
  • reduce maintenance overhead
  • avoid duplicated efforts in development
  • develop a core framework that is flexible, extensible and scalable
  • promote and build a solid open source SIP server project
  • ensure business credibility
  • make future forking undesirable, this harms everybody, affects credibility and business

You are welcome to join! Visit:

Mailing list:

There will be a meeting for concluding the collaboration and kick start the integration. Everybody is welcome to join. See more details:

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