Carrier-Grade VoIP Billing
For Everyone

Download the most stable VOS3000 distribution. High concurrency, real-time billing, and pre-activated features for your international termination business.

Get VOS3000

High Performance

Optimized Linux kernel support for 10,000+ simultaneous calls and rapid media switching.

Safe & Secure

Includes pre-configured iptables and anti-brute force scripts to protect your SIP ports.

Real-time Billing

Precise millisecond billing with support for multi-level agents and custom rate tables.

Ready to Scale Your Business?

Version 2.1.8.5 available for CentOS 7.x

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