This white paper presents a data-driven evaluation of Infovista’s TEMS generic OTT telephony application compared with native OTT telephony apps in the context of evolving 5G networks. As 5G standalone deployments and compatible devices increase, reliable testing of OTT voice services becomes critical. The paper outlines requirements and expectations for generic OTT telephony testing, compares performance across key metrics such as voice quality, speech delay, call setup time, and failure rates, and analyzes the impact of SIP servers. It demonstrates how a generic testing framework can deliver consistent, scalable, and realistic validation of OTT telephony performance and user experience.

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