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Jami vs Linphone: catalog facts
Jami	Linphone
Free Free software under the GPLv3 or later. A GNU project with no paid tier.	Free The app and the basic SIP service are free.
Windows, macOS, Linux, Android	Windows, macOS, Linux, Android, iOS
Completely peer to peer, with no server relaying data between users No phone number or email needed to create an account	Works with any standard SIP account Desktop and mobile builds from one project
Peer-to-peer delivery means messages to an offline device wait until it reconnects Connection reliability varies more than with a server-relayed service	Needs a SIP account or PBX to be useful Website is primarily in French
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.