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MicroSIP (Lite): all versions and old releases

Open source portable SIP softphone based on PJSIP stack for Windows OS.

www.microsip.org Video calls & VoIP #13 Video calls & VoIP

22 versions of MicroSIP (Lite) are listed here, from September 15, 2021 to the current 3.22.23. Each one links to the publisher’s own installer files.

2021: 1 1 21 2022: 2 2 22 2023: 0 23 2024: 2 2 24 2025: 4 4 25 2026: 13 13 26

22 versions over 5 years · about 4.3 a year

VersionDateSizeFiles
3.22.23Latest November 1, 2026 6.3 MB 32-bit EXE (NSIS) 6.3 MB
Release notes
- added an option to skip confirmation when disabling an account
- camera permissions are now requested on demand
- fixed number parsing errors in advanced call scenarios
- fixed crashes caused by running commands on call events
- fixed a rare crash caused by unavailable Windows system theme styles
3.22.22 November 1, 2026 6.3 MB 32-bit EXE (NSIS) 6.3 MB
Release notes
- added an option to skip confirmation when disabling an account
- camera permissions are now requested on demand
- fixed number parsing errors in advanced call scenarios
- fixed crashes caused by running commands on call events
- fixed a rare crash caused by unavailable Windows system theme styles
3.22.20 October 17, 2026 6.3 MB 32-bit EXE (NSIS) 6.3 MB
Release notes
- improved DTMF tone playback handling
- do not play DTMF tones locally during calls
- improved handling of call history database errors
- fixed an issue that caused microphone audio to be muted
- fixed outgoing calls where P-Asserted-Identity (PAI) replaced the originally dialed extension
- added P-Asserted-Identity (PAI) to the technical information displayed in Call Manager for outgoing calls
- improved call setup and call state display
- improved timer resolution handling to reduce unnecessary use of 1 ms timers
- fixed keyboard shortcuts not working while the application menu was open
- added detection of memory corruption caused by faulty audio devices or drivers; some problematic audio devices may no longer work with MicroSIP
- improved stability in certain use cases
3.22.19 October 3, 2026 6.2 MB 32-bit EXE (NSIS) 6.2 MB
Release notes
- improved DTMF tone playback handling
- do not play DTMF tones locally during calls
- fixed an issue that caused microphone audio to be muted
- fixed outgoing calls where P-Asserted-Identity (PAI) replaced the originally dialed extension
- added P-Asserted-Identity (PAI) to the technical information displayed in Call Manager for outgoing calls
- improved call setup and call state display
- improved timer resolution handling to reduce unnecessary use of 1 ms timers
- fixed keyboard shortcuts not working while the application menu was open
- added detection of memory corruption caused by faulty audio devices or drivers; some problematic audio devices may no longer work with MicroSIP
- improved stability in certain use cases
3.22.18 October 3, 2026 6.2 MB 32-bit EXE (NSIS) 6.2 MB
Release notes
- do not play DTMF tones locally during calls
- fixed outgoing calls where P-Asserted-Identity (PAI) replaced the originally dialed extension
- added P-Asserted-Identity (PAI) to the technical information displayed in Call Manager for outgoing calls
- improved call setup and call state display
- improved timer resolution handling to reduce unnecessary use of 1 ms timers
- fixed keyboard shortcuts not working while the application menu was open
- improved stability in certain use cases
3.22.16 September 14, 2026 6.2 MB 32-bit EXE (NSIS) 6.2 MB
Release notes
- display of name and number for active calls
- improved contact search by phone number
- call transfer list now displays additional numbers from contact details
- added "Reason" header when rejecting a call
- reduced DTMF tone volume
- fixed issues with dialing numbers in full SIP-URI format with parameters
- improved handling of network address changes
- reworked port knocking code to support IPv6 addresses
- improved compatibility with accessibility tools like Narrator
- added new messages; corrected text and translations
- system statistics module to diagnose application crashes
- fixed potential crash caused by invalid "Users directory" response format
- extensive internal code optimization for greater stability and reliability
- codebase update and bottleneck elimination
- updated SIP URI parsing and builder code
- improved multi-byte string handling
- modern method for code page selection
- updated Jump List module code
3.22.12 July 1, 2026 6.2 MB 32-bit EXE (NSIS) 6.2 MB
Release notes
Maintenance release with stability improvements
3.22.11 June 29, 2026 6.2 MB 32-bit EXE (NSIS) 6.2 MB
Release notes
Maintenance release with stability improvements
3.22.10 June 16, 2026 6.2 MB 32-bit EXE (NSIS) 6.2 MB
Release notes
- contacts: improved caller ID search algorithm
- port knocking update
- improved handling of network address changes (uses modern API)
- improved real-time audio device update function
- fixing issues with unwanted window activation in recent updates
- crash report module has been improved
- updating legacy code
- speed ​​and resource optimization
- stability fixes
- minor fixes
3.22.9 June 2, 2026 6.2 MB 32-bit EXE (NSIS) 6.2 MB
Release notes
- contacts: improved caller ID search algorithm
- port knocking update
- improved handling of network address changes (uses modern API)
- improved real-time audio device update function
- fixing issues with unwanted window activation in recent updates
- crash report module has been improved
- updating legacy code
- speed ​​and resource optimization
- stability fixes
- minor fixes
3.22.7 May 8, 2026 6.2 MB 32-bit EXE (NSIS) 6.2 MB
Release notes
- app icons updated
- dark mode extended
- shortcuts optimized
- added checking camera permission
- improved dialing tones
- added playback of dial tones to call recordings
- fixed recording stopping after call ends
3.22.6 May 8, 2026 6.1 MB 32-bit EXE (NSIS) 6.1 MB
Release notes
- app icons updated
- dark mode extended
- shortcuts optimized
- added checking camera permission
- improved dialing tones
- added playback of dial tones to call recordings
- fixed recording stopping after call ends
3.22.5 March 21, 2026 6.2 MB 32-bit EXE (NSIS) 6.2 MB
Release notes
- shortcuts: separate names for the toggle
- shortcuts: 3 new combined types
- dialer: display caller name instead of number
- added P-Asserted-Identity support for ourgouing calls
- export/import accounts, settings, shortcuts, call log
- Hide Caller ID : soft and hard modes
- color mode (partial support), auto light/dark
- migrate call log from ini file to database file
- internal changes and minor fixes
3.22.3 September 5, 2025 5.9 MB 32-bit EXE (NSIS) 5.9 MB
Release notes
- DPI awareness (proper scaling of the graphical interface)
- calls: added DTLS-SRPT encryption
- settings: added "Multi Monitor Support" setting
- settings: added "Handle IP changes" setting
- improved handling of IP changes
- improved handling of P-Asserted-Identity and Remote-Party-Id
- improved crash dump functionality
- fixed MP3 recording issue
- fixed "Allow IP rewrite" setting
- minor fixes, improved stability
- pjsip update 2.15.1
3.22.2 September 5, 2025 5.8 MB 32-bit EXE (NSIS) 5.8 MB
Release notes
- DPI awareness (proper scaling of the graphical interface)
- calls: added DTLS-SRPT encryption
- settings: added "Multi Monitor Support" setting
- settings: added "Handle IP changes" setting
- improved handling of IP changes
- improved handling of P-Asserted-Identity and Remote-Party-Id
- improved crash dump functionality
- fixed MP3 recording issue
- fixed "Allow IP rewrite" setting
- minor fixes
- pjsip update 2.15.1
3.22.0 August 25, 2025 — 32-bit EXE (NSIS)
Release notes
- DPI awareness (proper scaling of the graphical interface)
- calls: added DTLS-SRPT encryption
- settings: added "Multi Monitor Support" setting
- settings: added "Handle IP changes" setting
- improved handling of IP changes
- improved crash dump functionality
- fixed "Allow IP rewrite" setting
- minor fixes
- pjsip update 2.15.1
3.21.6 January 20, 2025 5.5 MB 32-bit EXE (NSIS) 5.5 MB
Release notes
- adding missed calls to the call list in Do Not Disturb mode
- recording: do not record microphone while on hold
- support commands with spaces and parameters cmdCallStart=""C:\\11 11\1.bat" 123"
- publicAddrress: monitors the selected IP address and updates automatically, especially useful for VPN connection
- shorctuts: call pickup for ringing
- attended tranafer: remade in a different way
- bottom buttons: fixed drawing and improved handling
- FWD button: save the selected state
- Run at startup: fixed wrong handling at first startup
- command line: added /resetnoask - reset configuration and delete all data without confortamtion
- added "Diversion" header for forwarded calls
- added P-Asserted-Identity/Remote-Party-Id handling for UPDATE method
- fixed memory leaks
- minor fixes
3.21.5 October 13, 2024 5.4 MB 32-bit EXE (NSIS) 5.4 MB
Release notes
- call transfer: option feature codes (blind and attended transfers)
- presence: added the ability to transfer presence information via the user directory
- minor fixes
3.21.4 June 24, 2024 5.4 MB 32-bit EXE (NSIS) 5.4 MB
3.21.3 October 3, 2022 5.4 MB 32-bit EXE (NSIS) 5.4 MB
3.21.2 July 11, 2022 5.4 MB 32-bit EXE (NSIS) 5.4 MB
3.20.7 September 15, 2021 4.9 MB 32-bit EXE (NSIS) 4.9 MB

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