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Adrian Georgescu, 06/04/2013 01:46 pm


SIP2SIP is free SIP service that provides a SIP account that can be used for any applications using RTP and MSRP media. The service is distributed in multiple data centers for high availability and scalability purposes.

You may use this service to communicate at least using audio, video and instant messaging and file transfers. The SIP account is Presence/IM enabled with support for relevant SIP SIMPLE standards for MSRP media, Presence Agent, XCAP and RLS services.

Fair use policy

The service is provided with no guarantee based on a fair use policy.

Data Privacy and Storage Policy


  • Public SIP address under @sip2sip.info
  • Audio and Video (RTP, sRTP, zRTP)
  • IM and File Transfers (MSRP relay support)
  • Contacts Management (XCAP protocol)
  • NAT traversal including ICE support
  • Conferencing for IM and Wideband audio
  • Gateway to and from XMPP

SIP account enrollment

To create a free SIP account go to http://sip2sip.info

SIP domain enrollment


SIP2SIP is a free service with no support.

For how to use your SIP account in the other sections of this wiki: