http://www.voip-info.org/wiki/view/SIP SIP SIP SIP La page de voip-info.org consacrée au SIP SIP deste site Session Initiation Protocol (SIP) SIP/VOIP SIP Session initiation protocol SIP SIP overview: DETAILS SIP SIP SIP SIP SIP SIP/VOIP support a variety of media formats SIP SIP