The iPhone sip client is meant for service providers who can use this dialer and get it integrated with their existing SIP servers. CallBux SIP Client works just like standard SIP Softphones i.e. it gets registered on the SIP server and then let the authentic caller makes 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.
Customized with company name/logo
•Unlimited user license
•SIP protocol support
•Codecs supported: g711,GSM
•Call Status Indicator
•Calling in background.
•Save / Edit Username & Password
•Work with all standard SIP SoftSwitches
OS Supported :iPhone OS 3.X.X and iPhone OS 4.X.X ,iPhone OS 5.X.X
Internet Connectivity: Wi-Fi,3G,GPRS,EDGE
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