Solved Outbound call rules

[TheodorosG_3CX]

Try to unplug the phones and use only web clients, the issue is the same?

 

[phil_]

I have tried unplugging the phones but it still happens

 

[phil_]

I have managed to work out what caused the issue on 3CX I changed
SRTP Mode for the SIP trunk from enforced to enabled and now everything is working.

 

[TheodorosG_3CX]

Glad to know this is resolved