V Phone Adds VoIP, SIP to iPhone

Matrix Knowledge announced the immediate availability of V Phone on Wednesday. V Phone is a Voice Over IP and SMS over IP client application for the iPhone.

The application supports all SIP-based VoIP service providers, supports incoming calls with sip to sip or DID, integrates with the Address Book app, includes call and SMS history logs, and more.

V Phone is priced at US$0.99 and is available for download at Apple's iTunes-based App Store.