MyPBX U100&U200 Administrator's Guide
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FXS Extensions
Figure 6-2
There are two analog extensions in MyPBX U100&U200 if S2 module is installed,
to modify the extension number, please delete it first, then recreate it again.
1) General
Figure 6-3
·Extension
The numbered extension, i.e. 1234, that will be associated with this particular
User / Phone.
·Port
The extension correspond port.
·Name