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AVQA advanced voice quality assurance – a passive monitoring solution for voice communications networks

CERTIUM Assurance, ATC voice quality assurance

A Rohde & Schwarz oferece sistemas de comunicações de voz flexíveis e baseados em IP para operações de espaço aéreo seguras, protegidas e eficientes. Saiba mais sobre os sistemas de comunicação de voz da Rohde & Schwarz.

The RSSI monitor in AVQA provides a great opportunity for long-term signal and noise monitoring of the radio infrastructure.

AVQA ground-ground monitor provides detailed information on the G/G connection between controller working positions,centers & airports.

Voice quality assurance is indispensable for airspace operations. AVQA A/G monitor provides a detailed information on the A/G connection between radio and VCS system.

AVQA loopback monitor provides a non-intrusive end to end test of the entire ATC voice communications system.

VQA detects a high noise floor across ATC frequencies, isolates the source to a faulty electric fence, and alerts operators to resolve the hazard.

AVQA Advanced voice quality assurance system. The market-leading monitoring technology for air traffic service providers and airport operators

AVQA pinpoints constant squelch on 121.500 MHz to a single receiver by detecting a rising noise floor, isolates the interference, and alerts operators to fix the faulty power supply.

AVQA frequency monitor provides a great tool for analyses and alarming of irregularities.

Don't miss the latest version of the passive monitoring tool R&S®AVQA from Rohde & Schwarz. Thanks to new features, monitoring voice quality in your network is becoming much more easy.

Rohde & Schwarz’s AVQA uncovered failures in 11 ROMATSA radios (including emergency frequencies) and resolved the risk within hours.

AVQA detects recurring interference on ATC frequencies from a public radio transmitter, pinpoints the source, and alerts operators for rapid mitigation.

AVQA detects non-standard keep alive packets that break RTP sequencing and cause MOS 1.0, isolates the offending traffic, and alerts operators to resolve the compliance breach.

AVQA detects phantom calls as short, silent recordings, locates the EMI source—a faulty radar cable near RX antennas—and isolates it to prevent DVR crashes.

AVQA detects a codec mismatch—audio packets arrive but remain silent; it pinpoints the A law/µ law incompatibility and alerts operators to resolve it.

AVQA detects ED-136 violations—MOS falling below 4.0 from packet loss and jitter—isolates the cause and alerts operators before call quality degrades.

Rohde & Schwarz concludes successful deployment of R&S AVQA advanced voice quality assurance system for enhanced VoIP quality monitoring in Czech air traffic management.

24 de abr. de 2025 | Comunicados de imprensa | Crititcal Infrastructures

Discover how ROMATSA transformed their monitoring and fortified critical airspace communications with AVQA.

Learn how Rohde & Schwarz's ED‑137 CERTIUM VCS and AVQA provide quad‑redundant IP voice and continuous VoIP monitoring to ensure ATC safety and compliance.

Air Navigation Services of the Czech Republic (ANS CR) has chosen the R&S AVQA advanced voice quality assurance system from Rohde & Schwarz to ensure the highest level of service quality across their IP-network. This cutting-edge solution will enable ANS CR to monitor and control their voice communication network, ensuring uninterrupted and crystal-clear communication for air traffic control.

7 de mar. de 2024 | Comunicados de imprensa | Aerospace

AVQA detects severe jitter across emergency frequency radios, isolates the affected sites and radios within hours, and alerts operators to avert a potential crisis.

ISAVIA chooses R&S AVQA advanced voice quality assurance system from Rohde & Schwarz to monitor and control their IP-network, maintaining high service quality for Iceland.

21 de mar. de 2023 | Comunicados de imprensa | Aerospace

R&S solutions for ATC radios and voice communications systems for supervisory authorities, airports, air navigation service providers (ANSP) and airlines.

Find out more about virtual center capabilities and remote ATC operations from multiple area control centers.

ATC ground radio stations for handling communications pertaining to operation and control of aircraft in a given area.

Mobile ATC radio solutions for emergency or redundancy. Mobile ATC shelters enabling ANSPs to get safe air traffic operational in minimal time.

Country-wide RSSI monitoring for ATC: Detect radio interference, improve efficiency & reduce response times. Learn how our AVQA solution helps ANSPs.

Rohde & Schwarz has been awarded an additional order from the Swedish Civil Aviation Authority (LFV) for radios and communications equipment to be deployed nationwide. The scope includes the introduction of the most innovative air traffic control (ATC) radio available, the R&S Series5200; the R&S AVQA advanced voice quality assurance system; the upgrade of already installed radios with the latest software; and the selection and expanded use of the R&S RCMS II remote control and monitoring system. These solutions are all part of CERTIUM, an advanced ATC communications suite.

8 de mar. de 2023 | Comunicados de imprensa | Aerospace