The State Of Mobile Voice App Experience From Opensignal

The State Of Mobile Voice App Experience From Opensignal
Opensignal is the independent global standard for analyzing consumer mobile experience. Our industry reports are the definitive guide to understanding the true experience consumers receive on wireless networks.
Link :
https://www.opensignal.com/sites/opensignal-com/files/data/reports/pdf-only/data-2019-10/voice_app_experience_october_2019_opensignal.pdf