WhatsUp Gold provides specialized VoIP SLA monitoring necessary for tracking Quality of Service (QoS) and Service Level Agreement (SLA) metrics for Voice over IP (VoIP). After you discover and configure devices for VoIP monitoring, you can view metrics using the WhatsUp Gold Custom Performance Monitors dashboard.
VoIP sessions must transport telephony data as a continuous or near-continuous stream to ensure each side of the voice conversation sounds natural, not jittery, and free from discernible drop offs or echo. Where the Quality of Service (QoS) for IP traffic is inherently 'best-effort' (first-come, first-serve), IP routers and IP call centers collect end-point and round-trip statistics critical for tracking and estimating VoIP call quality. WhatsUp Gold VoIP applies specialized monitors to gather and aggregate these VoIP SLA metrics. The VoIP measurements include call jitter (one-way latency), predictive level of call impairment ICPIF (Impairment / Calculated Planning Impairment Factor), round trip times, and an active monitor that gathers a periodic call quality metric as a 'virtual' VoIP session and generates a Mean Opinion Score (MOS).
WhatsUp Gold VoIP monitoring provides:
Before you run the VoIP Configuration Utility and begin VoIP monitoring, you will need:
Important: Prior to launching the VoIP Configuration Utility, select ANALYZE > Dashboards > Home Dashboard to ensure dashboard views are successfully created and properly configured before the VoIP-specific view is created.
After network discovery of routers and Cisco call centers that support VoIP statistics, you can configure VoIP monitors on devices supporting VoIP metrics.
Step 1: Launch the VoIP Configuration Utility (from the WhatsUp Gold Admin Console)
Step 2: Find and Configure Devices that Support VoIP SLA Monitoring
The utility returns a list of devices in WhatsUp Gold with monitoring enabled.
Performance Monitors Setup Screen displays with a summary of current statistics.
WhatsUp Gold VoIP Monitor Configuration Summary screen displays.
Step 3: Check the monitor setup on the Source Device and View Report Data
To ensure you are monitoring VoIP IP SLA data, you can:
Example: VoIP Monitor
Tip: Mean Opinion Score (MOS) is measured on a scale from 1 to 5 —where 5 is perfect call quality and 1 denotes bad call quality.