Why is the Sinch call quality from mobile app to browser very poor? -


we using sinch sdk enable mobile app (android) browser (web app) calling. calls establishing ok having issues call quality being variable. using 3 , 4g mobile connectivity.

we have external sound card on our android device since in noisy environment , need external amplification , microphone closer driver.

calls web browser (office based) to mobile app (in vehicle) of excellent quality calls mobile app web browser severely distorted point unintelligible.

on basis incoming audio (to mobile app) excellent network connectivity must ok - think?

what cause of this?

thanks


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