SIP - Carrier Grade SIP Server for Your Business Success: VoIP, M2M, Smart Grid, Windows, Linux Based on the Session Initiation Protocol (SIP), the Brekeke SIP Server provides reliable and scalable SIP communication platform for service providers and enterprises. As it defined in the SIP baseline specification RFC 3261, Brekeke SIP Server provides the functionality of a SIP Registrar Server, SIP Redirect Server, and SIP Proxy Server. Brekeke SIP Server is a Stateful Proxy that maintains session status therefore performs optimum processing for call control. Sip.by~Site InfoWhoisTrace RouteRBL Check