Real-Device Roaming QoE Testing
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Roaming QoE — how a subscriber’s phone actually performs on a foreign network — is something simulators can’t measure reliably. SEGRON tests it on real, unrooted smartphones physically roaming on live foreign networks, capturing the same call setup, data, and voice quality issues real customers hit.
Why Testing with Real Smartphones Matters
At SEGRON, we believe that roaming testing with real smartphones is essential for obtaining accurate QoE results. Since customer interactions with telecom services occur exclusively through end devices, realistic simulations of user experience require testing on real devices. Traditional methods relying on simulated networks or probes often fail to replicate true conditions, leading to unreliable results.
Key scenarios such as roaming steering and multi-IMSI configurations demonstrate significant behavioral differences when real end devices are not used. Additionally, loading eSIM profiles onto real devices reveals performance and service behavior variations that simulated environments cannot capture. These findings highlight the critical role of real device testing in accurately reflecting complex user experiences.
The Challenges of Traditional Testing Methods
One major challenge in QoE testing is selecting methods that accurately mirror user behavior. Network-based testing or pure monitoring can provide throughput rates and response times but often misses end-user nuances and lacks a proactive approach. Simulated environments frequently fail to account for real-world network conditions or daily smartphone usage patterns.
With the introduction of VoLTE and 5G networks, service delivery complexity has increased. Device firmware and customizations—particularly for VoLTE and 5G services—significantly impact functionality, making it impossible to measure user experience accurately without real devices. For instance, simulated environments may overlook differences in service quality caused by a smartphone’s operating system version.
Real-World Testing with Real Smartphones
Testing with real smartphones goes beyond simply ensuring that the network is operational—it enables a deeper understanding of the user’s experience, taking into account factors such as app performance, device capabilities, and network fluctuations. For instance, the use of over-the-top (OTT) applications, video streaming, or web browsing introduces additional challenges, as operators cannot directly monitor the servers hosting these services. Testing QoE on real devices becomes essential for capturing accurate data in these scenarios.
The Need for Comprehensive QoE Testing
To ensure optimal user experiences, testing must combine QoE and QoS metrics for a holistic performance view. Real smartphone testing, coupled with Layer 3 tracing, provides deep insights into call flows, app usage, and network interactions. This approach ensures that services like VoLTE (Voice over LTE), VoNR (Voice over New Radio), and OTT applications perform seamlessly in evolving telecom environments.
Layer 3 Tracing is a powerful feature that captures signaling data directly from the end-user device, enabling detailed analysis of communication between the device and the network. This supports effective troubleshooting and root cause analysis.
SEGRON’s Role in QoE Testing
SEGRON’s state-of-the-art roaming testing and monitoring tools leverage real smartphones to deliver accurate, actionable QoE data. Our platform supports both traditional QoS metrics and QoE-specific KPIs, empowering telecom operators to optimize services and meet consumer expectations.
By expanding our global footprint with additional locations and diverse device models, we offer the most comprehensive active testing capabilities, ensuring high-quality user experiences across networks and regions.
Conclusion
For telecom operators focused on delivering exceptional service quality, real smartphone testing is an indispensable strategy. As networks and devices grow more complex, relying on outdated methods risks overlooking critical insights that directly impact customer satisfaction. By adopting real smartphone testing, industry leaders can achieve a deeper understanding of user experiences, identify and resolve issues proactively, and set new benchmarks for service excellence.
At SEGRON, we are here to support you every step of the way. Partner with us to unlock the full potential of your network testing capabilities and ensure your customers enjoy unparalleled service quality. Contact us today to learn more about how our cutting-edge solutions can transform your QoE measurement strategies.
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Michael Sedlacek
Michael has a long history in the telecoms industry and served many international projects as Senior Network Engineering Expert and Integration Consultant, which gave him profound insights and experience in mobile technology and its requirements before starting up SEGRON Test Automation Solutions.
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