A message which is played to the called party before answering the call, in the most cases the message tells who is calling, the name or telephone number helping you to decide how to answer to the call and sometimes whether to answer it at all.
Digium Wildcard TDM410 is a half-length PCI 2.2 compatible card that supports FXS and FXO interfaces for connecting analog telephones and lines through a PC, it was developed as a replacement for TDM400P. By using IP-PBX Asterisk Open Source software and a standard PC, the user of Digium Wildcard TDM410 could build a small office telephone system, which will have all of the sophisticated and useful features of modern telecommunications equipment for big business.