VQManager by ManageEngine - ManageEngine® VQManager is a web-based, 24x7 real-time QoS monitoring tool for VoIP networks. It monitors any VoIP equipment that supports SIP, H.323, Cisco SCCP (Skinny) and RTP/RTCP. VQManager aids in troubleshooting VoIP calls for failures and quality deterioration. For thresholds crossed, alarms are generated by the system to notify administrators who ca...