For those looking to get a SIP address, here is a list of providers that are know to use Kamailio or SER and allow public registration:

  • openrcs.com – maintained by few Kamailio developers (server located in Germany)
  • voipuser.org – maintained by few Kamailio community members (discontinued)
  • iptel.org – maintained by SEMS developers

If you run a SIP service that uses Kamailio or SER and want to be listed here, write an email to our mailing list:

  • <sr-users [at] lists.sip-router.org>