From: Kevin Ventra (Kevin_Ventra@xxxxxxxxxxxxxxxxxxx)
Date: Sun Mar 19 2000 - 01:25:23 GMT-3
Typically when connecting routers to telephones systems you would follow
these rules.
Keysystem-trunk---------------FXSrouter----------------routerFXS------------
---------Keysystem--trunk
This option I believe is the best in the 2 wire world
If you wanted to use FXO modules then you would setup like this
Keysystem-trunk--------------FXSrouter------------------routerFXO-----------
----------Keysystem--Extension
This means that you would hit a trunk line on the handset and come in on an
extension at the other end.
(i.e. the extension that the router is physically connected to , you can't
call any extension you like this is one of
the limitations of the 2 wire pbx/keysys)
You usually wouldn't want to come in on the extension at the local end and
exit on the trunk
When you talk about pabx's we are usually talking about 4 wire E&M i.e. you
use the E&M modules.
FXO modules are commonly used for hop off calls
Keysystem-trunk-------------FXSrouter------------------routerFXO------------
-----------##PSTN line
The design that would give you the most functionality in the analogue world
would be
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