3CX Phone for Windows 15

[cherepaxa]

Hello everybody.
Just intalled 3cx and two client's 3CX Phone for Windows 15.
After first call I can't do second call. The phone dials the number but immediately goes to the clients window. if you restart the client, i can make one call.
Tell me please what I missed
Other phone etc phone6 or for android worked correctly

 

[cherepaxa]

The problem in microphone. If it not connected client not working. But first time it caling whithout microphone

 

[YiannisH_3CX]

Hello @cherepaxa

Please note that you are correct, if the client dos not detect audio devices it will not be able to perform a second call unless the client is re-registered or restarted. This is the default behaviour