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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/DTLS)
- 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 with file attachments

What's New in Version 2.2.5

Added DTLS encryption.
Fix crash when sliding a chat notification.
Add a button to clear the proxy configuration.
Some enhancements in the Contacts view for accessibility and sorting.


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

Customer Reviews

Audio codec settings don't save

Can't get the audio codec settings to save. Each time I open the app I need to go into the settings and enable the codec I need to use for my special application. All other settings stay where I set them except the audio codec.

Using the app on iPad Air, iOS 8.1.3 and 8.2 with the same results.

Please fix this and my review will be higher.

Updated Review for v2.2.5...

Something went oddball with this update, where dialing the voicemail password is no longer recognized. There was no issue with the previous version. Dropping this from four stars to two.

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!

This is a genuinely nice fee softphone

It isn't selling a particular, company. It is pretty full featured. Has encryption.

View In iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Social Networking
  • Updated:
  • Version: 2.2.5
  • Size: 13.8 MB
  • Languages: English, Arabic, French, Russian
  • Seller:

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: