| Well, that's just *broken*. Either that, or it's from the way-back days
| when the callee couldn't hang up on a call if the caller stayed off
| hook. Nowadays, there's no possible reason why a callback modem wouldn't
| just hang up the line itself before picking up, listening for dial-tone,
| and dialing.
|
| The other means of breaking into a callback modem is to have the phone
| company add call forwarding to the employee's phone (who checks?), have it
| forwarded to the cracker's modem, and then call in. --Darren
A few friends of mine had a look at a dialback modem, and claimed that
the modem would have trouble to separate incoming from outgoing calls
during certain periods of the "handshake". I guess this varies with each modem
and PTT.
/Christian Wettergren
References:
|
|