I am highly qualified to review this case and glad to assist. I have 20+ years experience in the telecommunications industry and can explain how a private line works and can speak to the development of private line technology over the past two decades.
This expert is an internationally-renown authority on SIP, VoIP technologies, PSTN transition issues, and Next Generation Network Signaling. Formerly, this expert was a member of various communications security councils. Presently, this expert is chairman of the board of directors of an IP communications industry association that engages in numerous activities that promote and advance SIP-based technology. Among its activities are the development of industry recommendations such as SIPconnect for enterprise IP-PBX to service provider interconnection, the SIPit interoperability and testing events, various educational seminars, and the general promotion of SIP in the industry. Presently, he is the Principal of a private consultancy advising telecommunications companies, technology suppliers, the investment community and national regulatory agencies issues related to Voice over IP, Public Switched Telephone Network (PSTN) Transition, Network Design and Architecture, Peering, Numbering, and Signaling.