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Adrian Georgescu, 07/26/2013 04:10 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 open and federates with external SIP and XMPP domains.

Fair use policy

The service is provided with no guarantee based on a fair use policy. Fair use policy is provided by an automatic system that cuts any account that exceeds ten times the usage of an average subscriber.

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: