ATC voice quality assurance ATC voice communications system (VCS) ATC radios

AVQA - Product overview

AVQA (Advanced Voice Quality Assurance) monitors every call between radios and centers, ground-ground and air-ground, across your ANSP network. The dashboard gives you voice quality by frequency, with features like VoIP analysis, RSSI, loopback, and frequency monitoring. Need to investigate a specific complaint? Search and drill into flagged calls fast.

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Air Navigation Service Provider (ANSP) ATC Area control center ATC voice quality assurance

AVQA – Exposing hidden network activity

See how AVQA discovered a test system silently calling radios every 5 seconds, with every call declined. It caused no harm, but ran undetected for weeks, adding unnecessary load on the system. Once spotted, the ANSP proactively shut it down. Sometimes monitoring means staying ahead, not just fixing what's broken.

Air Navigation Service Provider (ANSP) ATC Area control center ATC voice quality assurance

AVQA - VoIP quality monitor

When voice quality drops below a MOS of 4.0, the ANSP needs to know fast. AVQA's dashboard flags the impact in real time. In this example, a dip at 118.000 shows two of three radios affected. Drill into the slice to see which radios, how severe, and whether it happened before.

Air Navigation Service Provider (ANSP) ATC Area control center ATC voice quality assurance

AVQA - RSSI monitor

When a controller or pilot reports issues on a specific frequency, AVQA's RSSI monitor helps you find out why. Pull up the frequency in question to see signal and noise levels over time. In this example, noise rises every night, affecting the entire 118 MHz band, pinpointing exactly when and where degradation happens.

Air Navigation Service Provider (ANSP) ATC Area control center ATC voice quality assurance

AVQA - frequency monitor

Long press PTT or simultaneous transmissions are serious problems in a ATC voice communication. AVQA frequency monitor provides a great tool for analyses and alarming of such irregularities. Based on the non-intrusive voice monitoring, AVQA has a complete information about communication.

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