This is the time for telemarketing so the contact centers are using the dialer to reduce the agents work pressure. So the companies are using the hardware based dialer. in these case the dialer and the hardware used for the dialer are too expensive. In this case the asterisk is there for he open source dialer that have no cost on external hardware. So it have many problems if that problems are rectified in the tele communication companies will be using the single computer to perform operations.
