Linphone

Linphone

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Logo of Linphone

Linphone: The Professional Open Source SIP Client for Secure VoIP

Take full control of your communications with HD audio, video, and text messaging. Built for privacy-conscious users and developers who demand transparency, flexibility, and high-definition quality.

Publisher

Belledonne communications

Category

Social Networking

Downloads

541K+

User Rating

2.8/5

Total Ratings

1K+

Locales

8

Total Control, Visualized

Discover the interface used by 541K+ users.

Linphone app interface showing an encrypted video call on a smartphone

Linphone app interface showing an encrypted video call on a smartphone

Linphone app interface showing an end-to-end encrypted VoIP call in progress

Linphone app interface showing an end-to-end encrypted VoIP call in progress

Linphone app chat interface showing text messages and a voice message playback

Linphone app chat interface showing text messages and a voice message playback

Linphone mobile app interface showing a secure chat conversation with a shared photo of a bag

Linphone mobile app interface showing a secure chat conversation with a shared photo of a bag

A smartphone displaying a group video call on the Linphone app with six participants and an end-to-end encryption notification.

A smartphone displaying a group video call on the Linphone app with six participants and an end-to-end encryption notification.

Linphone mobile app interface showing meeting details with a list of participants and a join meeting button

Linphone mobile app interface showing meeting details with a list of participants and a join meeting button

Linphone mobile app safety check screen showing a security code exchange for encrypted communication.

Linphone mobile app safety check screen showing a security code exchange for encrypted communication.

Master Your Communications with SIP Freedom

The tools that make this app stand out, trusted by 541K+ users.

🛡️

Enterprise-Grade Privacy

Secure every conversation with SRTP and ZRTP end-to-end encryption. Protect your metadata and audio streams from prying eyes with audited, open-source transparency.

⚙️

Total Protocol Flexibility

Connect to any SIP-compatible provider or private PBX. Fine-tune your experience with granular controls for codecs, transport standards, and network optimization.

🎧

HD Audio & Video Anywhere

Experience crystal-clear communication even on low-bandwidth networks. Stay reachable 24/7 with efficient push notifications that preserve your device battery.

About the app

Everything you need to know about Linphone.

Description

Linphone is an open source internet SIP phone or Voice Over IP phone (VoIP). Linphone is an open source app offering free audio/video calls and text messaging. With Linphone, you can be reachable at any time, even if the app is closed, with a WiFi or 3G/4G internet connection. Linphone key features: * high definition audio and video calls * audio conference calls with various participants * pictures and file sharing * Linphone accounts reachable at any time, even if the app is closed (thanks to push notifications) * secure communication (encryption options) * compliant with a large number of SIP-compatible VoIP service providers allowing to reach everyone that has a "classic" phone line. Linphone is available on the main mobile and desktop operating systems and offers various specific features for advanced users (codecs, transport standard, encryption options, DTMF...). For more information, see Linphone project website: www.linphone.org Note for developers and professionals: Linphone can be rebranded and customized to meet specific needs. Contact Belledonne Communications www.belledonne-communications.com for any specific development query.

Latest Version

6.0.2

Size

63.8 MB

First Released

May 11, 2010

Secure Your Communications with Open Standards

Join thousands of privacy-conscious professionals and developers. Download the most flexible, open-source SIP client for high-definition, encrypted audio and video calls.

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FAQ

Frequently Asked Questions

Everything you need to know about Linphone

What is Linphone?

Linphone is an open-source Voice Over IP (VoIP) phone application. It provides free audio and video calls, along with text messaging, using internet connectivity.

Does Linphone support free calls and messaging?

Yes, Linphone provides free audio/video calls and text messaging. Users can communicate without cost over a WiFi or 3G/4G internet connection.

Does Linphone offer secure communication?

Yes, Linphone offers secure communication through various encryption options. Calls and messages can be end-to-end encrypted to protect user privacy.

Can users receive calls on Linphone even when the app is closed?

Yes, Linphone accounts are reachable at any time, even if the app is closed. This functionality is enabled through the use of push notifications.

What types of calls does Linphone support?

Linphone supports high-definition audio and video calls. It also facilitates audio conference calls with multiple participants and group video calls.

Can Linphone users share files and photos?

Yes, Linphone allows users to share pictures and files. This includes photos, videos, and documents directly within the messaging interface.

Is Linphone compatible with other VoIP services?

Yes, Linphone is compliant with a large number of SIP-compatible VoIP service providers. This allows users to connect with contacts on "classic" phone lines.

App information, icons, screenshots, and descriptions displayed on this page are sourced from the Apple App Store and are the property of their respective developers. Download estimates and rankings are based on MWM's proprietary models and may not reflect actual figures. This page is provided for informational and analytical purposes only.

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