8.1.2 POTS monitor
Essentially, the POTS (analog) monitor provides a high
impedance tap that does not influence the interface. You
can listen to the line with the integrated handset without
having the ARGUS send on or otherwise influence the
interface.
M
onitoring
stop
for each character once it is full.
An incoming call will be signalled acoustically.
Press the <
> -Key to display additional information, if
↓
available on the access (e.g. advice of charges).
Press < DEL > to clear the display.
ARGUS 3u plus/3u NT
8 Select the Access Mode
The
ARGUS
displays
voltage level on the line when
it is "on hook" (not busy).
Start monitoring
The
ARGUS
displays
voltage (when "off hook"), the
number of the caller (when
CLIP is supported) and the
DTMF characters dialed by
both telephone subscribers
and
the
SMSs
(optional).
Any
received
characters will be appended
to the line, which will shift left
the
the
received
DTMF-
45