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By Belledonne Communications SARL

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Linphone is an open source internet phone or Voice Over IP phone (VoIP), compatible with the SIP protocol.

Linphone can be used with a large number of SIP-compatible VoIP service providers.
If you subscribe a VoIP to PSTN (=classic telephony) account to a telecom provider, you can reach everyone that has a "classic" phone line.
Alternatively, provides free SIP accounts to make audio & video calls over the internet at no cost.

List of supported features:
-Audio with the following codecs: speex (narrow band and wideband), G711 (ulaw,alaw),ILBC, GSM, SILK, G722, OPUS, AAC-ELD
- Secured call (SIP TLS/SRTP/ZRTP)
- Video with the VP8 codec (H264 & MPEG4 on demand )
- AVPF RFC support for network resilience
- Multiple calls
- Audio conferencing
- Address book integration
- Call history
- DTMF (telephone tones) support using SIP INFO or RFC2833
- Text messaging

What's New in Version 2.2.4

Lots of changes for this version, brace yourselves:
- iPhone 6/6+ are now supported at full resolution
- Improved translations and a new language (Arabic) with support of RTL UI
- Lots of polish for iOS8 render
- The app is now built with arm64
- New "Send logs" action for problems debugging
- There is now a search bar in the contact list
- You can configure a voicemail address to call when long press on "1"
- Lots of bugfixes


iPhone Screenshot 1
iPhone Screenshot 2
iPhone Screenshot 3
iPad Screenshot 1
iPad Screenshot 2
iPad Screenshot 3

Customer Reviews

Definitely Works Over Here!

**updating review of v2.2.4**
New version works fine; unlike the other reviews mine doesn't crash and I didn't have to re-enter the settings. However, the interface is still amazingly ugly.

After using this for almost one week, Linphone might be the best free SIP phone out there. I'm totally happy with its performance. Thanks for making this and thanks for making it free!

No disrespect, but, I'm puzzled by the complaints. Set-up was easy and the SIP phone definitely works, no problem! The interface, however, is probably the second ugliest interface of the freebie SIP phones on the App Store. Thanks for making this free.

iPhone 5s IOS 7.1.1

Updated Review for v2.2.4...

This update seems to work about as well as the previous version, which was a nice, freebie SIP phone. One thing though: the update wipes-out your existing settings on the iPad. It's not that big of a deal, just seems stoopid.

To be sure, Linphone definitely works and is much better than many of the freebies out there!

Still not answering calls in the background

Two years later it still cannot answer calls when the app in the background.
Setting Background Mode does not make any difference. It works only if the app in the foreground.
Please fix this essential feature.

View In iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Social Networking
  • Updated: Jan 26, 2015
  • Version: 2.2.4
  • Size: 12.3 MB
  • Languages: English, Arabic, French, Russian
  • Seller: Belledonne communications

Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5, iPhone 6, and iPhone 6 Plus.

Customer Ratings

Current Version:
All Versions: