Part of the reason he's not able to charge more is the approval process for a higher rate number is much more complex. If he want's to be more than a minor ann

Part of the reason he's not able to charge more is the approval process for a higher rate number is much more complex. If he want's to be more than a minor annoyance he can always leave them on hold for 20 minutes, or route them through a tele-marketer torture script with Asterisk or FreeSWITCH.