Burn Notice2007

Michael Westen:
[narrative] Housed in office utility rooms, a PBX is the phone switchboard for a whole company. Using a router with upgraded firmware, pros can hack them to make untraceable calls from the comfort of their own home. It's how spies get free long distance. Identifying the right line to bug on a PBX is as simple as matching call times from your records to those on the computer. Of course, if you have to comb through thousands of phone calls, it's easier said than done.