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Adrian Georgescu, 07/13/2013 10:41 pm


SIP2SIP is a real time communications service for Audio, Video, Presence, Chat, File Transfer and multiparty conferencing based on SIP signaling and related media protocols (RTP, MSRP and XCAP). The service is free to use based on a fair-use policy and federates with external SIP and XMPP domains.

Fair use policy

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

Data Privacy and Storage Policy


  • Global address
  • Presence (SIMPLE)
  • Contacts Management (XCAP)
  • Directory Services (LDAP)
  • Multi-party Conferencing
  • Multimedia XMPP Gateway

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: