High Quality Content by WIKIPEDIA articles! Avaya Proactive Voice Quality Management (PVQM) in computer networking is a tool used to manage VoIP networks. Designed jointly by NetIQ and Nortel (now Avaya) , PVQM is a solution to provide real-time monitoring of VoIP deployments on Nortel Call Servers and PBXs. PVQM continuously and passively measures the user quality of experience (QoE) for all IP Telephony communications through the network with system health checks and provides troubleshooting and resolution of any performance degradation or fault management functions.