Does the TeleZapper II block incoming calling card calls?
Telezapper has learned that some long distance calling card manufacturers use a system similar to predictive dialing systems. Whether the TeleZapper II will affect computer dialed calling card calls depends on the type of computer equipment and how that equipment is being used. Since the TeleZapper II is designed to disconnect calls before a computerized predictive dialer can connect you to a live telemarketer/caller, there is also a chance that predictive-dialed calling card calls may not be completed. Back to top…