SIP Softphone Application for the iPhone and iPod Touch, Media5-Fone.

Media5-Fone
Media5-fone from Media5, provides iPhone and iPod users with ability to connect with any SIP IP-PBX, be it an Enterprise telephony service or Service Provider Network, like the ones we have listed in The Free SIP Account Provider List
Media5-Fone lists following features;

Pure SIP standard softphone	Voice Mail Integration	Loudspeaker
VoIP over Wi-Fi	Native Contacts List	Hold
Easy Configuration	Call History	Mute

According to the Media5 press release, "the Media5-Fone enables offices as well as the mobile worker to use their iPhone as an IP-PBX extension, allowing them to access the same phone services and features as if they were in the office. Remote workers can be in contact with any other office or employee easily and efficiently, promoting collaboration across all locations.
VoIP service providers who offer calling plan can also benefit from the same SIP connectivity extension for their customers who own an iPhone."

"This new release of the Media5-Fone extends our mobile portfolio to iPhone users on the go, and offers them the key features needed to integrate an easy-to-use SIP IP-PBX extension within the iPhone,” explained Pascal Doré, Mobility Product Line Manager. "In addition to this Lite version, our engineers are already at work to bring the next fully featured Enterprise version of the Media5-Fone that will embed strong Voice security encryption among the key features. Worth mentioning that the Media5-Fone can be co-branded and custom-tailored for any specifics system needs."

The Media5-Fone application for the iPhone is available in the Apple iTunes.

Media5 Press Release could be found here.

Tags: Media5-Fone, Free SIP, SIP, iPhone, iPOD, VoIP over Wi-Fi, SIP connectivity, IP-PBX, Free SIP Account Provider List