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iSip Dialer Screen!
iSip(formerly SipPhone on iPhone) is first native SIP/VOIP application in Apple Store. All calls are made directly to the SIP provider, no middle-man like customized proxy involved, so no voice delay and call quality is excellent. iSip 3.0 now supports Apple's push notification service, you can receive the notificaton message about new incoming call anywhere. You do not need to run the iSip to wait for the incoming call.


Using WiFi/3G connection on your iPhone or iPod Touch 2nd Gen, iSip (formerly SipPhone on iPhone) turns your iPhone or iTouch into a pocket VOIP phone, so you can make cheap or even free phone calls (local or long distance) over the internet at anytime, and from almost anywhere.



Key Features:

Support SIP protocol

Support speaker phone

Voice mail notification

Multiple ringtone selection

Support DTMF tone (RFC2833/Inband) during the call

Support G711 and GSM codec

Support using alternative RTP port

Support Stun for NAT Traversing

Support Sip Proxy

Capability of mute/hold call

Support multiple SIP accounts

Dial directly from iPhone's address book

Support prefix dialing when make call from address book

Redial from recent call list

Shortcut to make regular celluar call

And much more ...

Support and Questions:

For support and questions regarding iSip (formerly SipPhone on iPhone), please read our FAQ.

You can also send email to support@vnet-corp.com. Our support staff are more than happy to help you out with any issue you may experience.


SipPhone on iPhone used in enterprise

Many of our customers used iSip (formerly SipPhone on iPhone) to turn their iPhone into their office phone extension so they can use iPhone to make/receive phone calls over their company's phone system.

Here are a couple YouTube videos made by our customers demonstrateing this usage:


Customer Feedback

Here are a few of our first App Store customers have to say about SipPhone on iPhone:

This is the best voip app ever! -- by SonnyKovacs

Better than fring for SIP voip -- by cubalibr...

Awsome -- by MikesT...

Just what I always needed! ... a must get application -- by malta25

Excellent App -- by Andrew She...


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