Linphone

Input—per 1M tokens

Output—per 1M tokens

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About

Linphone is ranked #1 of 32 in softphone software on Inferse. It runs on Android, API, iOS, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

Compared on softphone software

Free plan: Yeslinphone.org
Browser calling: Nolinphone.org
Mobile app: Yeslinphone.org
Desktop app: Yeslinphone.org
Call recording: Yeslinphone.org
Business SMS: Nolinphone.org
SIP support: Yeslinphone.org

Facts

Purpose: Linphone combines VoIP voice and video calling, instant messaging, and videoconferencing in one application.linphone.org · 29 Sept 2026
Open source: Linphone is open source and can be integrated into projects under the GNU GPLv3 license; proprietary licensing is available for closed-source modifications.linphone.org · 29 Sept 2026
SIP interoperability: It uses SIP and SIP SIMPLE and is designed to interoperate with IP-PBXs, proxies, SBCs, and other SIP systems.linphone.org · 29 Sept 2026
Calling: Features include HD audio and video calling, call forwarding, concurrent call management, recording, DTMF, and Bluetooth headset support.linphone.org · 29 Sept 2026
Group meetings: Its Flexisip or SaaS conferencing option supports video conferences with up to 50 participants and screen sharing.linphone.org · 29 Sept 2026
Messaging: Flexisip enables one-to-one and group chats, file sharing, read receipts, reactions, voice messages, and ephemeral messages; SIP SIMPLE supports basic one-to-one messaging with third-party accounts.linphone.org · 29 Sept 2026
Integrations: Linphone supports LDAP and CardDAV contact synchronization, OpenID Connect and OAuth 2.0 authentication, and Apple APNs and Google Firebase push notifications.linphone.org · 29 Sept 2026
Security: Security features include SIP/TLS, SRTP, SRTP-DTLS, ZRTP, end-to-end encryption for exchanged media, and post-quantum encryption using CRYSTALS-Kyber.linphone.org · 29 Sept 2026
Platforms: The app is available for iOS, Android, macOS, Windows, and GNU/Linux; the maker says a web version is under development.linphone.org · 29 Sept 2026
Self-hosting: Flexisip can be deployed on premises and connected to an existing SIP server for group messaging and videoconferencing.linphone.org · 29 Sept 2026
Support: The free SIP service is reserved for individual users and comes with no guarantee of support; paid support and maintenance services are available by contacting the company.linphone.org · 29 Sept 2026
Business model: Linphone offers white-label branding, support contracts, development assistance, and custom feature development, with pricing available by contacting the company.linphone.org · 29 Sept 2026
Maker: Belledonne Communications is a French company founded in 2010 and based at 3 Avenue Marie Reynoard, 38100 Grenoble, France.linphone.org · 29 Sept 2026