SessionTalk SIP VoIP Softphone (iOS) app for $0.99

Use your favorite SIP VoIP provider as the softphone is not tied to any particular one. Not used VoIP? Sign up for free with a number of SIP compliant providers worldwide and make VoIP to VoIP calls free anywhere in the world. Save money on international calls. On the move? With SessionTalk iPhone you can make SIP VoIP calls from your iPhone wherever you have a 3G connection.++