I have a uniden house phone with vonage every time im on the phone....?

Question

it beeps like someone got on the other line but i have all the phones...on my phone it has two letters [T C ] what do they mean...cuuld they be recording my phone conversations or maybe transfering the call to a other phone for example my moms cell phones so she could eves drop

Answer 1

Are you sure that isn't the "call waiting" or "voice mail" signal?

Answer 2

you got a voice mail waiting!!!

Answer 3

i don't know what that is i have at&t