Using a Headset
Forum Phone 515/525/535 System Telephones
37
You are telephoning
over the handset, open-
listening 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 the headset
key.
Listening-in over the
headset is now acti-
vated (LED of the
key
K
flashes).
End listening-in:
K
Press the headset
key (LED of the
key
K
is off).
End open-listening:
L
Press the hands-
free/open-listening key
(LED of the key
L
is
off).
You are telephoning
over the headset,
hands-free/open-
listening is switched on
(LED of the key
L
flashes). You want to
switch of the headset.
K
Press the headset
key (
long
key press).
The headset is switched
off (LED of the key
L
flashes; LED of the
key
K
is off).
or
L
Press the hands-
free/open-listening key
(
long
key press).
The headset is switched
off (LED of the key
K
is off). Hands-free/
open-listening is
switched on (LED of the
key
L
is illuminated).
You are telephoning
over the headset and
want to end the call.
K
Press the headset
key.
The connection is ended
(LED of the key
K
is
off).
Situation:
Operation:
Result: