MicroSIP

MicroSIP is ranked #12 of 32 in softphone and calling apps on Freedom251. It runs on Linux, macOS, Windows. There is a free plan.

MicroSIP plans and pricing

All plans

MicroSIP Free Windows desktop SIP softphone · GPL v2 microsip.org · 4 Oct 2026

Custom-branded softphone build €150 once Single one-time payment; starting from €150 Unlimited installations · Future updates, modifications, or additional features billed separately microsip.org · 4 Oct 2026

Compared on softphone and calling apps

Free plan: Yes
Mobile app: No
Desktop app: Yes
Call recording: Yes
SIP support: Yes

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MicroSIP

Product: MicroSIP is a lightweight Windows desktop softphone for business communication and professional VoIP use.
Calling: It supports voice and video calls through SIP providers or PBX systems, as well as direct calls by IP address or domain name.
Call handling: Call Manager supports multiple simultaneous calls, conference calls, blind and attended transfers, and instant messaging.
Media: The product page lists video codec support for H.264, H.263+, VP8, and VP9, plus DTMF support for in-band, RFC2833, and SIP INFO.
Security: The product page lists TLS encryption for SIP signaling and SRTP and DTLS-SRTP for media protection.
Privacy: MicroSIP says it does not provide user accounts, phone numbers, or telephony services and has no access to end-user information.
Integrations: The site names Asterisk, FreePBX, 3CX, and any SIP-compliant provider or server as supported or commonly used infrastructure.
Add-ons: The add-ons page lists Chrome and Edge telephone-number detection extensions and CardDAV2MicroSIP, and says third parties develop and maintain them.
Platform: The site lists Windows as supported, Linux, macOS, and BSD via Wine, and says Android, iPhone, and iPad are not supported.
Downloads: The downloads page lists standard and Lite editions, each with a portable ZIP version; it lists video support for the standard edition and none for Lite.
License: The site identifies the project license as GNU GPL v2.
Support: The contact page says the team answers user questions when possible but may not have time to reply to all inquiries, so replies may be delayed.
Custom builds: Custom builds are offered as Windows EXE and MSI installers or a portable version, with digitally signed builds listed as available.
Data protection: The website privacy policy states that it processes personal data under GDPR and that full payment card details are not stored by microsip.org.
Price from: Free

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Where it ranks on Freedom251

Best Softphone and Calling Apps in 2026#12 of 32

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Sources

microsip.org· checked 4 Oct 2026
microsip.org/help· checked 4 Oct 2026
microsip.org/legal-notice· checked 4 Oct 2026
microsip.org/addons· checked 4 Oct 2026
microsip.org/downloads· checked 4 Oct 2026
microsip.org/contact· checked 4 Oct 2026
microsip.org/custom· checked 4 Oct 2026
microsip.org/privacy-policy· checked 4 Oct 2026