Compare software

Smart-SIP-Phone vs GOnnect: catalog facts
Smart-SIP-Phone	GOnnect
Freemium Free standard version, with a paid Pro version and branding options for businesses.	Free Free and open source under the GPL-2.0.
Windows, macOS, Linux, Android, iOS	Linux
Works with any SIP PBX Native packages for many Linux distributions plus Windows and macOS	Phone calls and video conferences in one client Built to integrate with the Linux desktop
Proprietary software Needs a SIP account or PBX to be useful	Needs a VoIP telephone service to call through Linux only according to the research
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: GPL-2.0-or-later
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 October 1, 2026

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