WhatsUp Gold VoIP Monitor for Cisco IP SLA Enabled DevicesWhatsUp Gold VoIP Monitor accesses information generated by Cisco IP SLA (service level agreement) enabled devices to monitor jitter, packet loss, latency and other calculated VoIP performance values. WhatsUp Gold VoIP (Voice over IP) Monitor provides you with the ability to monitor, collect and report on your network's capacity to support and maintain acceptable performance for VoIP call quality.