As to the original question, I guess it's down to the technical setup.
Originally Posted by
Mooncrest
Having a system designed so the controller on the other end of the telephone can hear when the other bod is TXing to an aircraft is desirable.
I don't agree with this one though. Would like to hear other controllers opinions.
The risk would be the transmission on freq be mistaken for what it's being discussed at the phone. Also, where's the problem with a clear and quick "standby" to the guy on the phone?