I've had a couple of issues recently with the android app and cutting off existing GSM calls when a 3CX call comes through to the app.
It appears to put the GSM call on hold, but when the 3cx call is dismissed the GSM call is not retrievable and is cut off.
One device was a Samsung Galaxy A20e...
Hello there
1- When we are on a GSM call, and someone call our extension we can talk to the person on 3cx app on the latest version, on the latest android version Samsung, once we finish the call and we want to go back to the GSM call it is blank that mean they can't hear us and we can't hear...