That'd be forgeted up
The chat should only work if you were in the same room as them, and only in ones that weren't too noisy.
Example:
Is anyone there?
(Nobody can hear you)
Hello?
(Player 2 can hear you)
Somebody help!
(Player 2 cannot hear you over the din of machinery in SCP-914's containment chamber) - except not as long winded. Maybe say:
(Player 2 cannot hear you over the noise)