Calls from Digits app disconnect when screen goes dark


    I have an AT&T Samsung Galaxy S6 unlocked to use on T-Mobile.  I figured out how to use the Digits app for WiFi calling and texts, provisioning it for "Data Only".  However if I make or receive a WiFi call on the Digits app as soon as the screen turns off, either by time out or by the proximity sensor (bringing the phone to your ear) the call is terminated by the phone.  This happens every time.  This appears to have worked in the previous version of the app as I was able to successfully make a test call with the phone to my ear.  I'm running android 7.0.  Anyone else having this issue?




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