Digium, Inc. Page 14
Chapter 1
Overview
The Analog 410 Series cards are versatile devices 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 cards allow Asterisk to connect to
your phone network, creating an office type telephony environment.
There are a variety of applications where the Analog 410 Series cards
(TDM410 or the AEX410) can prove useful. An example is provided in
the following figure.
Figure 1: Sample Card Application
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