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Smart-SIP-Phone vs Linphone: catalog facts
Smart-SIP-Phone	Linphone
Freemium Free standard version, with a paid Pro version and branding options for businesses.	Free The app and the basic SIP service are free.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux, Android, iOS
Works with any SIP PBX Native packages for many Linux distributions plus Windows and macOS	Works with any standard SIP account Desktop and mobile builds from one project
Proprietary software Needs a SIP account or PBX to be useful	Needs a SIP account or PBX to be useful Website is primarily in French
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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