From: DLStewart (dlstewart@xxxxxxxxxxx)
Date: Sun Sep 17 2000 - 08:21:40 GMT-3
What doc?
E&M refers to the channelized signaling provide on a T1 using
the A and B bits, i.e. it is a digital parameter.
FXO is an analog telephone port that must connect to a PBX
or CO switch, i.e foreign exchange office.
FXS is an analog port that must be connected to a telephone
or other instrument capable of taking calls, i.e. foreign
exchange station.
Normally an FXO port would never connect to another FXO port.
Dave
- - - - -
At 02:34 AM 9/17/2000, you wrote:
>the doc says build pbx trunk with:
>e&m and e&m same type
>fxo and fxs
>fxs and fxs
>
>I do not understand how to make fxs-fxs trunk with pbx.
>
>do you konw?
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