MicroSIP - open source portable SIP softphone based on PJSIP stack for Windows OS.
It allowing to do high quality VoIP calls (person-to-person or on regular telephones) via open SIP protocol. From cloud of SIP providers you can choose best for you, register account and use it with MicroSIP. You'll get free person-to-person calls and cheap international calls.
Publisher’s description
What is MicroSIP?
MicroSIP by www.microsip.org is open-source Windows software in the video calls & voip category. It ranks 49th by popularity among video calls & voip in this catalogue.
Installation and requirements
The publisher provides EXE (NSIS) installers for 32-bit Windows. The main installer is 9.5 MB. It can be installed for the current user only, without administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 3.22.20, released on October 17, 2026. The version history goes back to September 8, 2021: 20 releases, all linked to the official files. That is about 3.9 releases a year. The last update is less than a month old.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Updated in the last two months
- Small download (9.5 MB)
Cons
- No native ARM64 build
- 32-bit only
In short: MicroSIP is an open-source video calls & voip tool for 32-bit PCs. Administrators can deploy it unattended.
Is MicroSIP safe to download?
- The file is served by microsip.org, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
19A8A7AA6647E6AAA3C386A037B603C158EF82E19F084EB7569BC36BAEF1F26D· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 20 versions ›20 versions over 5 years · about 3.9 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 3.22.20Latest | October 17, 2026 | 9.5 MB | 32-bit EXE (NSIS) |
| 3.22.19 | October 3, 2026 | — | 32-bit EXE (NSIS) |
| 3.22.18 | October 3, 2026 | — | 32-bit EXE (NSIS) |
| 3.22.16 | September 14, 2026 | — | 32-bit EXE (NSIS) |
| 3.22.12 | July 1, 2026 | — | 32-bit EXE (NSIS) |
| 3.22.11 | June 29, 2026 | — | 32-bit EXE (NSIS) |
| 3.22.10 | June 16, 2026 | — | 32-bit EXE (NSIS) |
| 3.22.9 | June 2, 2026 | — | 32-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id MicroSIP.MicroSIP -eMicroSIP-3.22.20.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- www.microsip.org
- Category
- Video calls & VoIP
- Licence
- GPL-2.0
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- EXE (NSIS)
- Version
- 3.22.20
- Released
- October 17, 2026
- Added to the catalogue
- September 8, 2021
- Versions listed
- 20
- Updates / year
- 3.9
- Website
- microsip.org
- winget ID
- MicroSIP.MicroSIP
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is MicroSIP free?
Yes. MicroSIP is open-source software under the GPL-2.0 licence.
Is MicroSIP safe to download?
The download comes from microsip.org, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install MicroSIP with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can MicroSIP be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does MicroSIP run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
Where can I download an older version of MicroSIP?
The versions page lists all 20 versions with links to their official installer files, back to September 8, 2021.
Can I use MicroSIP without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to MicroSIP?
Zoom Workplace, Microsoft Teams classic, Linphone, Jitsi Meet and qTox. The alternatives page compares them.
