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Asterisk VQM -- Voice Quality Monnitor

Download AQuA Powered Asterisk Voice Quality Monitoring Solution as PDF

Overview

  • Asterisk-powered dialer software
  • Web Interface
  • UNIX/Linux Cron-based Schedule Logic
  • Open-Source Code
  • Graphing Monitoring Stats
  • MySQL Database for Call Records

Solution Architecture

Solution Architecture

Current Features

  • Dial by SIP or PSTN – Asterisk base capable of dialing via any medium
  • Blast-Dialing – send multiple calls to 1 trunk for specified duration
  • No QoS/MOS scoring performed, designed for load testing
  • QoS/MOS Test-Dialing
  • Ad-Hoc – perform on-demand test dials
  • Scheduled – unlimited schedules – hardware/software limited
  • Multiple “Test Applications” Possible: Current system designed to access conference bridge
  • Simple Customized sequencing could allow testing through IVR menus, or other applications as required.
  • Dial MIRROR/Echo: Each dialer configured to respond to calls from another dialer by CallerID
  • Pre-Deployment Option: Perform simple inter-dialer testing
  • Reporting
  • Reports performance of scheduled tests over time
  • Detailed graphs over time
  • MOS, PESQ, R-Value, Volume/Amplitude Difference
  • Sortable tables of results for all calls
  • Detailed View of each test call
  • Embedded web player; compare source, reference WAVs
  • Initiate Dials via Web Service
  • All calls are initiated by HTTP POST (even internally)

Upcoming Features

  • Roll-up Reporting Dashboard
  • Scheduled email reports
  • Email notifications
  • Threshold definitions per schedule, email notifications

Scheduler

Asterisk Scheduler

Call Details

Call Details

  • ID
  • Test Class
  • Trunk
  • Destination
  • Destination Name
  • Disposition
  • Graphical wave form
  • Call duration
  • Ringtime
  • MOS
  • Date/TIme of call placement

Compare Waveforms

Compare Waveforms

  • Visualize major waveforms differences
    • Reference
    • Trimmed Test
    • Raw Test
  • Compare files by listening

Visualized reporting

Visualized reporting

  • Visualize call quality scores
    • MOS-like scores
    • PESQ-like scores
    • Percentage
    • Volume
    • Combined report
  • For each call listed in the table one can download comparison recordings, and view details of the errors causing the quality loss in the log for each comparison

    Scheduler Setup

    Scheduler Setup

  • Edit Test Scheduler
    • Setup Test Data
    • Configure Test Schedule
    • Setup Timing

Benefits

  • Flexible Custom Development / Extension Options
  • Offered as software or appliance
  • Cost-effective
  • Fast deployment
  • Open source based

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