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

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