Small size IP-PBX PEX3600i

摘要

In recent years, with the popularization of IP-support- ed networks, voice communications have been recog- nized as a part of data communications, and "VoIP" (Voice over IP) technologies have spread out in order to converge voice and data. Even PBX (Private Branch Exhanger) being a core of Corporate telephony system is required to go with the Tide of IP technologies, so that IP-PBX which provides Infrastructure to accelerate voice and data convergence And support multimedia in the seamless networks is Highly expected.