Thank you for purchasing the Grandstream UCM630X series IP PBX appliance. The UCM6300 series allows businesses to build powerful and...

This document will provide instructions on how to set up a UCM6XXX series from an out of the box state...

INTRODUCTION The 1+N media cluster feature allows clustering multiple devices from the UCM630x and GCC602x series to expand the number...

QoS (Quality of Service) is a major issue in VoIP implementations. The issue is how to guarantee that packet traffic...

Overview Voice Prompt Multi-Language Support The UCM6xxx series IP PBX appliance supports system voice prompt in multiple languages. There are...