Compare software

MicroSIP vs Baresip: catalog facts
MicroSIP	Baresip
Free Free and open source under the GPL v2.	Free Free and open source under the BSD 3-Clause licence.
Windows	Command line
Small and light on system resources Works with standard SIP providers and PBX systems	Encrypted calls with SRTP and ZRTP Unlimited SIP accounts and calls
Windows only; other desktops need Wine No mobile apps	No graphical interface in the core program Configuration takes some SIP knowledge
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: BSD-3-Clause
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 September 24, 2026

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