CallboxSoftphone 1.0

CallboxSoftphone by L5 Networks is a modern, SIP-based softphone that brings clear, reliable VoIP calling to your desktop and mobile devices. Designed for teams of any size, it combines an intuitive interface with professional call controls to make placing, receiving, and managing calls fast and effortless—whether you’re at your desk or working remotely.

Key capabilities:

• Standards-based SIP compatibility for seamless integration with most VoIP platforms and PBXs
• HD audio quality with built-in noise suppression and echo cancellation
• One-click call controls, including hold, mute, transfer (attended or blind), forward, and park
• Multi-party audio conferencing for quick team collaboration
• Visual voicemail with message playback and notifications
• Comprehensive call history with search and filtering
• Contact management with favorites and quick dial
• Secure signaling and media using TLS/SRTP
• Auto-provisioning and centralized management options for IT administrators
• Headset and Bluetooth support with customizable hotkeys
• Network resilience features such as adaptive jitter buffers and NAT traversal

Whether you’re a small business or a distributed enterprise, CallboxSoftphone helps your team communicate clearly, stay responsive, and work productively from anywhere.

CallboxSoftphone is developed by L5 Networks. The most popular version of this product among our users is 1.0. The name of the program executable file is CallboxSoftphone.exe.