Baresip
Overview
• Baresip is a lightweight, modular, and open-source SIP user agent designed to provide secure VoIP communications.
• It is specifically engineered to function without reliance on proprietary third-party push notification services, ensuring greater privacy and operational independence.
Core Functionality
• SIP Communications: Full support for SIP-based voice calling and text messaging.
• Advanced SIP Features: Includes voice conferencing, voicemail Message Waiting Indication (MWI), and both blind and attended call transfers.
• Mobile Integration: Provides integrated mobile-based voice calls and messaging, consolidating communication tools to reduce app clutter.
• Limitations: MMS messaging is currently not supported. Video calling is excluded from this version but is available through the sister application, baresip+.
Audio and Security
• Codec Support: Features a wide range of audio codecs, including Opus, AMR, Codec2, G.729, G.722, G.722.1, PCMU, and PCMA.
• Security Protocols: Communication privacy is prioritized through the use of TLS or WSS for encrypted SIP signaling. Media stream security is handled via ZRTP or DTLS-SRTP media encapsulation.
Device Requirements
• Minimum Support: Compatible with Android 9 or later for standard functionality.
• Advanced Features: Mobile calling and integrated messaging features require Android 10 or later.
Development and Resources
• The project is strictly focused on providing a secure, independent user agent.
• Baresip is maintained as an open-source initiative, and the community is encouraged to participate in its development.
• Source Code: The complete source code is hosted on GitHub.
• Support: Users can view the repository to track project updates, contribute to the codebase, or report technical issues and bugs.
FAQ
Q: Does Baresip support video calling?
A: The standard version of Baresip focuses exclusively on voice calling and text messaging. If you require video calling capabilities, you should look into the sister application, baresip+, which is designed to handle video streams.
Q: Is it possible to perform call transfers using Baresip?
A: Yes, Baresip supports advanced call handling features, including both blind and attended call transfers, allowing you to manage your professional or personal communications effectively.
Q: How does Baresip maintain privacy during calls?
A: Baresip ensures communication privacy by utilizing TLS or WSS for encrypted SIP signaling. Furthermore, for the security of your media streams, it employs industry-standard protocols such as ZRTP or DTLS-SRTP to keep your conversations protected.
Version History
v86.2.1——15 Jul 2026
VoIP and mobile calling and messaging app based on baresip SIP library Download the latest version of baresip to enjoy new features and updates immediately!
*86.2.1
• Fixed handling of missed mobile call notifications
• New translations (Spanish)
*86.2.0
- Added Call/Show Dial option to contacts screen menu
- Open automatically chat or call history screen when baresip icon with notification dot is touched
- Tried to avoid color changes in top system bar and bottom navigation bar
- New translations (Chinese)
*86.1.1
- Allow empty backup/restore password
- Improved edge-to-edge compatibility
- Optimized decoding of avatar bitmaps
