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MicroSIP is a lightweight, open-source software application that enables users to make Voice over IP (VoIP) calls using the SIP (Session Initiation Protocol) standard. It is designed to be simple, easy to use, and resource-efficient, making it an ideal choice for low-resource devices, such as older computers, and for users who need a minimalistic VoIP client. MicroSIP allows users to initiate audio and video calls, as well as exchange messages, via SIP-based VoIP networks.
| Original author(s) | MDev Group |
|---|---|
| Initial release | June 10, 2011 |
| Stable release | 3.21.3[1] 
/ 14 September 2022 |
| Written in | C, C++ |
| Operating system | Windows |
| Size | 10 MB (audio only), 17 MB (with video) |
| Available in | Bulgarian, Croatian, Czech, Danish, Dutch, German, English, Farsi, Finnish, French, Hungarian, Italian, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Turkish, Ukrainian |
| Type | VoIP |
| License | GPL-2.0-or-later |
| Website | microsip |
History
editMicroSIP was developed by the team at MicroSIP Technologies, a software development company. The project was launched in 2013 with the aim of creating a SIP client that offered essential features while keeping resource usage to a minimum. The software was initially targeted at users in business environments, but its simplicity and performance led to wider adoption by individual users and smaller organizations.
Since its release, MicroSIP has been maintained as an open-source project, contributing to its popularity within the open-source community. Regular updates and improvements have made it a reliable and stable option for SIP-based communications.
Features
editCore Features:
edit- Voice and Video Calls: MicroSIP supports both voice and video calling, enabling users to make high-quality, real-time communications over the internet.
- Instant Messaging: Users can send and receive text messages to and from other SIP-compatible devices.
- SIP Protocol Support: Fully supports the SIP protocol, making it compatible with a wide range of VoIP services and PBX systems.
- Minimal Resource Usage: Designed to run on low-resource devices, it has a small footprint in terms of both system resources and installation size.
- Cross-Platform: MicroSIP is available for multiple platforms, including Windows, macOS, and Linux, allowing for seamless use across different operating systems.
- No Need for External Softphones: MicroSIP operates independently, without the need for additional software, making setup and configuration relatively easy.
Advanced Features
edit- TLS and SRTP Encryption: For secure communications, MicroSIP supports Transport Layer Security (TLS) and Secure Real-time Transport Protocol (SRTP) encryption, ensuring that voice and video calls are protected from eavesdropping.
- Call Forwarding and Call Transfer: These features allow users to redirect or transfer calls during a session, offering more flexibility in managing communications.
- Multiple Accounts: Users can configure and switch between multiple SIP accounts, which is particularly useful for users managing multiple VoIP services or accounts.
Technical Specifications
editMicroSIP uses the PJSIP (PJSUA API) library, an open-source multimedia communication library that enables the implementation of VoIP, video calling, and instant messaging functionality. This choice of library ensures that the application is lightweight, highly optimized, and compatible with modern VoIP standards.
- Supported Audio Codecs: G.711, G.729, Opus, Speex, and more.
- Supported Video Codecs: VP8, H.264.
- Encryption Support: TLS, SRTP, and ZRTP for secure communications.
- Operating Systems Supported: Windows, macOS, Linux.
- Installation Size: The installation package is small, typically under 10MB, making it easy to download and install.
Usage
editMicroSIP is designed for a wide range of users, including individuals, small businesses, and organizations that require basic VoIP services without the complexity of larger, feature-heavy VoIP applications. Its minimalistic interface makes it suitable for users who need a straightforward application without unnecessary frills.
Users typically configure MicroSIP by entering their SIP account details (such as username, password, and domain) into the software's settings. Once configured, users can make and receive VoIP calls, send messages, and conduct video calls, all from within a simple interface.
Typical Use Cases
edit- Business VoIP Communications: Small businesses and startups use MicroSIP as an affordable alternative to more complex VoIP systems, taking advantage of its minimal configuration and lightweight nature.
- Personal VoIP Calling: Individuals seeking a lightweight SIP client for personal use often choose MicroSIP for its simplicity and low resource usage.
- Testing and Development: Developers and network administrators may use MicroSIP to test SIP servers, configure VoIP setups, and troubleshoot network issues.
Installation
editInstalling MicroSIP is a simple process, with different installation procedures for each supported platform:
- Windows: Users can download an installer from the official MicroSIP website, which includes a straightforward installation wizard.
- macOS: The macOS version is provided as a disk image (DMG) file, which can be dragged into the Applications folder.
- Linux: Linux users can download the appropriate package for their distribution (Debian, Ubuntu, Fedora, etc.) or compile the software from source.
Reception
editMicroSIP has been praised for its simplicity, performance, and low system resource usage. Reviews often highlight its ability to work well on older or lower-end hardware while still providing the essential features needed for VoIP communication. It is particularly appreciated by those looking for an open-source, lightweight alternative to more complex VoIP clients.
However, some users have pointed out that while MicroSIP offers a streamlined feature set, it may lack some of the advanced functionality found in larger VoIP applications, such as integrated conferencing or advanced call management tools.
Conclusion
editMicroSIP is a highly effective, lightweight VoIP solution designed for users who require essential SIP-based communication features without the overhead of more complex systems. Its open-source nature, small footprint, and cross-platform support make it a versatile option for both individual and business use, particularly for those on low-resource devices or in need of a basic VoIP client. Its continued development within the open-source community ensures that it remains a stable and reliable tool for SIP communication.
See also
edit
References
edit- ^ "microsip". 14 September 2022. Retrieved 19 June 2023.