Free

Details

  • Released
  • Updated
  • May 11, 2010
  • August 6, 2026

Features

Linphone screenshot #1 for iPhone
Linphone screenshot #2 for iPhone
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Linphone screenshot #7 for iPhone
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About

This open-source application provides free audio and video calls, as well as text messaging, over the internet. It allows users to stay reachable at all times via WiFi or mobile data, even when the app is closed. Enjoy secure communication and the ability to connect with traditional phone lines.

High definition audio and video calls
Audio conference calls
Picture and file sharing
Push notifications for reachability
Secure communication with encryption
SIP-compliant VoIP service integration
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What users say

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What's New in Linphone

6.2.2

August 6, 2026

Lots of changes! Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-iphone/-/blob/master/CHANGELOG.md

User reviews

Only logo-splash screen

After the most recent update as of now, only see the splash screen with the orange logo, lacking any obvious progress.

(I am using it under “Lockdown” mode. Some previous versions (not noted) had worked fine in that mode.)

Very good app

Excellent app. Need to know the configuration settings and how to enter into app. Literacy and numeracy skills required, learnt in primary school.

The login doesn't work

Login via the SIP server isn't working. After entering the information and tapping the login button, nothing happens.

Non-functional

It used to work a few years ago and then they layout changed and then the settings and everything changed and it stopped working properly

Terrible

It only really works if you allow them to push you to their own services, else is is TORTURE

Developer apps

User experience

🐞

Reported Bugs

4 issues

Crashes on startup

Bug

Incoming calls not working properly

Bug

Settings not saving correctly

Bug

Compatibility issues with newer iOS versions

Bug

Requested Features

4 requests

Add support for multiple SIP accounts

Feature

Improve user interface and navigation

Feature

Provide more customization options

Feature

Enhance audio quality and noise cancellation

Feature

FAQ

What does Linphone do?

Linphone is an open-source internet phone application that allows you to make free audio and video calls, send text messages, and share files over the internet. It uses the SIP protocol, enabling you to connect with other users and even traditional phone lines through compatible VoIP service providers.

What are the key features of Linphone?

Key features include high-definition audio and video calls, audio conference calls with multiple participants, picture and file sharing, and the ability to remain reachable even when the app is closed via push notifications. It also offers secure communication options with encryption.

Is Linphone free to use?

Yes, Linphone is an open-source application and is free to use. There are no in-app purchases or advertisements mentioned in its description. You may need a compatible VoIP service provider to make calls to traditional phone numbers.

On which devices can I use Linphone?

Linphone is available on the main mobile and desktop operating systems. This means you can typically find it for use on smartphones, tablets, and computers.

Can I use Linphone to call regular phone numbers?

Yes, Linphone is compliant with a large number of SIP-compatible VoIP service providers. This compatibility allows you to reach individuals who have a 'classic' phone line, effectively using Linphone as a dialer for standard telephone numbers.