Betaview SIP Client is designed specifically to leverage the iPhone's unique capabilities and easy way to make an iPhone VoIP call by using iPhone device. Featuring a comfortable and simple user interface, an iPhone sip client lets you connect your iPhone to landlines or mobile phones.
Betaview SIP Client works just like standard SIP Softphones i.e. it gets registered on the SIP server and then let the authenticated caller make calls.
This softphone also turns your iPhone into a VoIP phone, so you can make cheap or even free phone calls over the internet at anytime, and from almost anywhere.
•SIP protocol support
•Codecs supported: g711, GSM
•Call Status Indicator
•Save / Edit Username & Password
•Works with all standard SIP Soft Switches
OS Supported: iPhone OS 3.X.X and iPhone OS 4.X.X
Internet Connectivity: Wi-Fi, 3G, GPRS, EDGE