Besides, you need to get them to spout obscenities. The caller, like other prostitutes, is usually a pawn, hired by the telemarketing organisation. It's the organisation that targeted you. Keep the telemarketer on the line longer, at the expense of their organisation. Confidentiality Don't give any credit or other confidential information to someone who calls on the phone.
Some criminals use telemarketing techniques to get information for theft purposes.
These are illegal in many areas, but the law doesn't seem to stop them. Get them to listen Try to consume as much time as possible. At one time the television or radio speaker worked well for that purpose. More modern machines require more sophistication, however. Answer, but be nonresponsive.