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SJphone (SJphone.exe). This application is a fully featured softphone that allows you to connect to a variety of VoIP service providers...
This free SIP client is a lightweight SIP softphone that connects to a wide range of VoIP service providers or your own SIP-compatible PBX. Ideal as a VoIP calling app for PC or Mac, it lets you create multiple profiles and switch between them easily—perfect if you connect to different international providers or an Asterisk PBX.
As full-featured PBX calling software, it includes all essential functions you expect from a modern softphone: call transfer, do not disturb, hold, conference, mute, and automatic accept or ignore options. The installation is fast and simple, and a built-in setup wizard helps configure your audio devices in seconds.
Available as a SIP softphone for Windows Mac Linux, SJPhone is completely free to download. The clean, intuitive interface ensures even non-technical users can make and receive calls confidently, while optional skins let you personalize the appearance. Although it does not support multiple lines or video streaming, it remains a reliable, efficient solution for everyday VoIP communication.
• Free SIP client for Windows, Mac, and Linux • Works with VoIP providers and SIP-compatible PBX systems • Includes transfer, conference, hold, mute, and DND features • Fast installation with automatic audio configuration wizard • Simple interface with customizable skins