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Opale Technical Blog
Deep insights, practical solutions, and expert analysis for tech enthusiasts.

Opale Technical Blog

Welcome to our technical blog, where innovation meets practical application. We explore the latest technologies, provide in-depth analyses, and share hands-on solutions for real-world challenges. Whether you're a seasoned expert or an enthusiastic learner, you'll find valuable insights here and don’t hesitate to contact us with your questions or feedback.

PESQ MCPTT POLQA PTToC Push To Talk Monitoring PEAQ SaaS Voice Quality AMR EVS LTE MultiDSLA SIP VPP VoIP VoNR API Bluetooth MOS Metric Server DSLA Latency IVR ANALOG VOIP NR
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An Overview of MCX Measurement Needs
Author icon Clément Lauriat   Calendar icon Monday, 25th August 2025
An Overview of MCX Measurement Needs
MCX measurement needs focus on ensuring reliable, fast, and intelligible communications for mission-critical users. 3GPP defines four key latency KPIs: PTT access, end-to-end access, mouth-to-ear delay, and late call entry. Voice quality is assessed wit
Testing analog lines
Author icon Opale Systems   Calendar icon Monday, 1st July 2024
Testing analog lines
Why this white paper MATTERS? In today’s world dominated by Voice over IP (VoIP) technologies, it’s easy to assume that analog communication has become obsolete. However, this is far from the case. Analog lines remain widely used
ANALOG VOIP NR
Speech To Text and IVR testing
Author icon Opale Systems   Calendar icon Friday, 16th February 2024
Speech To Text and IVR testing
An IVR (Interactive Voice Response) system is a voice-based call management solution that interacts with users through specific audio prompts or keypad inputs (sending DTMF tones).
DSLA IVR MultiDSLA VPP Voice Quality
POLQA – Notes on Odd Behaviours (Part 2)
Author icon Opale Systems   Calendar icon Wednesday, 7th June 2023
POLQA – Notes on Odd Behaviours (Part 2)
We added POLQA ( ITU-T P.863 ) to our MultiDSLA product some seven months ago. Since then, we have been busy discovering what works and what doesn’t workquite so wellin the new algorithm. Most of th...
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