Too right!
Hahahahah!
Well, I can admit to seeing that one.
Mince, what they refer to is they are talking:
a) to Flightwatch, or flightwatch is talking to them
b) to a CTR controller somewhere
c) on the telephone
d) someone else in the room.
e) anyone else that I've not mentioned.
All of the above are at the same volume, pretty much as your voice on VHF on their headset or through the speakers. It may be easier to have you repeat what you said than whoever else you were "in" with.
That's how I understand it anyway.
520.