VOIP Service Provider, iPhone application, SIP, IAX

iSip

Finally, the first native SIP/VOIP application on iPhone has come to the iTunes App 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.

Check out iSip (formerly SipPhone on iPhone) here:

iSip Dialer Screen

Using WiFi 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:

  • Mr. Jason Goldberg at I-Tech made this YouTube video demonstrating using SipPhone on iPhone with Cisco CallManager.

  • Business VOIP provider DrVoip made this YouTube video demonstrating using SipPhone on iPhone with ShoreTel IPBX.

    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...



    About SipPhone-on-iPhone

    SipPhone on iPhone is powered by pjsip, iaxcomm; VNet-Corp open our source code of SipPhone under GPL license, Please check out IPhone Application development in our forum for detail!