User manual

Release 1.01 Digium, Inc. Page 15
Chapter 1
Overview
The TDM800P card is a versatile device used for connecting your phone
network to the PSTN (Public Switched Telephone Network) world. This
is accomplished through phone lines connected to the FXO (Foreign
Exchange Office) ports and phones connected via the FXS (Foreign
Exchange Station) ports. The card allows Asterisk PBX software to
connect to your phone network, creating an office type telephony
environment. There are a variety of applications where the TDM800P
proves useful. An example is provided in the following figure.
Figure 1: Sample Card Application
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