SIP2SIP

SIP2SIP is a real time communications service for audio, video, presence, chat, file transfer and multiparty conferencing based on WebRTC, SIP, XMPP and related protocols. The service is free to use based on a fair-use policy and federates with publicly reachable SIP and XMPP domains.

Features

  • Publicly reachable SIP address
  • Audio and Video calls (RTP)
  • IM and File Transfers (MSRP relay support)
  • Presence (PUBLISH, SUBSCRIBE, NOTIFY)
  • Contacts Management (XCAP protocol)
  • NAT traversal including ICE support
  • XMPP gateway for all standardised media
  • WebRTC Conferencing (Audio, Video)
  • SIP/MSRP/XMPP conferencing

Several preconfigured clients are available for using the service.

To register your SIP account go to http://sip2sip.info