Unlike various popular sipsoftphone applications which crashes or have limited sip support, The Media5-fone from the Media5 Corporation, based on the M5T SIP Client Mobility SDK enables iPhone users to connect with any SIP IP-PBX and communicate confidently in real time worldwide through their Enterprise and Service Provider Network.The Best Feature of Media5-fone is the pre-configured list of almost all SIP providers around the world, so you now dont have to worry about configuring the sip setting anymore.
The Media5-fone application for the iPhone is available in the Apple App Store at:
http://itunes.apple.com/in/app/media5-fone-free-voip-sip/id353988698?mt=8
