Originally Posted by dultavares
Yep, I'm using a Brazilian provider SIM card on a prepaid account. I've used other phones on the same type of account and never had this beep going during the calls. In fact, I used the same SIM card in a different phone and it worked fine.
I hear the beep during inbound or outbound calls.
It really sounds like a call timer/reminder. As far as I know there is not functionality to do this on the BB. I would call the carrier and describe what is happening and ask them if this is a function they offer.
I'm stuck, sorry!