Why the world’s leading brands are prioritizing in-country number testing?
Spearline
JUNE 18, 2019
Here at Spearline, we have conducted millions of test calls worldwide, resulting in billions of data points. The test calls are recorded, and the audio quality is measured using the industry-standard Perceptual Evaluation of Speech Quality (ITU P.862 Case study: Mastercard - Mastering the fundamentals of brand protection.
40 
Let's personalize your content