SIP Trunking with your MPLS network

A google search (June 2009)  on a ‘SIP Trunking’ returns ~500k references. From Wikipedia (replace ‘connection’ with Trunk) A SIP (Session Initiation Protocol) connection is a service offered by many ITSP (Internet Telephony Service Providers) that connects a company’s PBX to the existing telephone system infrastructure (PSTN) via Internet using the SIP VoIP standard. This […]