%0 Journal Article %T Design & Implementation of IP-PBX for Small Business Organization %A Mr. Sandeep R. Sonaskar %A Dr. M. M. Khanapurkar %J International Journal of Engineering Innovations and Research %D 2012 %I IJEIR %X Most of the small business organization uses old Electronics Private Branch Exchange (EPBX) System for the telephony communication. This EPBX is now could be replaced by Internet protocol telephony PBX called IP-PBX which uses Intranet as a backbone as each organization has pre installed local area network. The network architecture for the IPPBX system is easy to design %K IPPBX %K VoIP %K SIP %U http://journals.indexcopernicus.com/fulltxt.php?ICID=1049974