Orbtalk have a range of SIP trunk products that work with the Brekeke OnDo SIP Server
Based on the Session Initiation Protocol (SIP), the Brekeke SIP Server provides a reliable and scalable SIP communication platform for Enterprises and Service Providers.
As it defined in the SIP baseline specification RFC 3261, Brekeke SIP Server provides functionality of SIP Registrar Server, SIP Redirect Server, and SIP Proxy Server. Brekeke SIP Server is a Stateful Proxy that maintain session status therefore performs optimum processing for call control.