eSIM & IoT Roaming Testing for Connected Cars
The Challenge:
A European mobile operator delivering M2M services to a global car manufacturer needed reliable eSIM connectivity and performance across all roaming partners to ensure uninterrupted domestic and international service for connected vehicles.
The Solution:
To address complex testing needs, covering voice and SMS quality, multi-RAB verification, and call barring, Mobileum tested codec usage, data transfer, and accessibility across 220+ roaming partners using the fully managed GlobalRoamer® platform, providing consistent performance insights through dashboards, reports, and daily analysis.
Key Insights:
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Rapid Response:
24-hour analysis turnaround by Mobileum experts
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Issue Resolution:
96% of issues resolved within two weeks
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Service Confidence:
Proven global eSIM reliability and quality for the car manufacturer
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