C4Switch is a top supplier of trustworthy, successful, and user-friendly international telecommunications solutions for Internet telephony in all countries. The VoIP (Voice Over Internet Protocol) sector is what we are working on. Our cutting-edge VoIP products and services
Versions of the VOS3000 include 2.1.2.0, 2.1.4.0, 2.1.6.0, and 2.1.8.0, and the most recent version is 2.1.8.0
