This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
Introduction
The use of PBX systems in business is hardly a new revelation. Businesses have been using various stages of the technology for years now, and it is far from a well kept secret that there are major advantages to using a PBX system. However, a lot of businesses that do not use something like Panasonic PBX are clueless as to what they are missing out on. While these businesses manually direct calls, those using NEC PBX use that manpower to increase productivity.