OpenPhone 71/73/75 System Telephones
Using a Headset
36
For the System Administrator
You will find more information on connecting a headset and suitable devices in
the “Mounting and Commissioning” guide in the chapter “Extensions and Acces-
sories for System Telephones”.
Note:
Connected headsets must conform with the standard
DIN EN 60 950-1, Point 6.2 (“Safety of information technology
equipment including electrical business equipment”). For
more information on this and a list of headsets which meet
these requirements please refer to our website at www.Aas-
tra-DeTeWe.de. You can also contact a headset manufacturer
of your own choice, of course.
You are telephoning over
the handset, open-lis-
tening is switched on
(LED of the key
L
flashes); You want to let
another person listen in
on the call over the
headset.
K
Press headset key
Listening-in over the
headset is now activated
(LED of the key
K
flashes).
End listening-in:
K
Press headset key
(LED of the key
K
is
off )
End open-listening:
L
Press hands-free/
open-listening key (LED
of the key
L
is off )
You are telephoning over
the headset and want to
end the call.
K
Press headset key
The connection is ended
(LED of the key
K
is
off ).
Situation:
Operation:
Result:
Summary of Contents for OpenPhone 73
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