35
Making calls
SX810 ISDN / IM-Nord EN / A31008-N432-R201-1-SM19 / telefony.fm / 02.03.2011
V
e
rsion 4.1, 21
.11.2007
Muting
You can deactivate the microphone in your
handset during an external call.
h
Press key to mute the handset.
The display shows
Microphone
is off
.
Press the key again to reactivate
the microphone.
Ringback when busy (CCBS) /
when the call is not answered
(CCNR)
If the person you are calling does not answer
or their line is busy, you can initiate ringback.
Prerequisite:
The exchange supports this
feature.
Activating ringback
§Ringback§
Press the display key and wait
for confirmation from the
exchange.
Time of the ringback:
u
Ringback when busy – CCBS:
CCBS = Completion of calls to busy sub-
scriber. The ringback will take place as
soon as the subscriber in question termi-
nates the current call.
Ringback when there is no reply – CCNR:
CCNR = Completion of calls no reply. The
ringback will take place as soon as the
subscriber in question has made a call.
Please note:
u
The ringback request is automatically
cancelled after about 2 hours (depending
on the exchange).
u
If you are making a call at the time of the
ringback, the ringback will be postponed
until you have ended your call.
u
Ringbacks are not diverted if an internal
call diversion is active.
Activating ringback for external
consultation calls
You want to establish an external consulta-
tion call (
¢
page 37). The consultation call
participant's line is busy. You can activate a
ringback:
§Options§
Open menu.
Ringback
Select and press
§OK§
.
Accepting a ringback
The handset is ringing and the screen dis-
plays the ringback number.
Establishing a connection
c
Press the talk key.
You will hear the ringing tone. The other par-
ticipant is being called. The connection is
established.
Cancelling ringback
v
¤
Ç
¤
Ringback Off
Select and press
§OK§
.
The display shows that the ringback func-
tion has been cancelled or has not been acti-
vated.
Please note
If you have a headset connected, you can
switch between the headset and hands-
free mode.
Please note
u
If the telephone is muted, all keys
except the mute key
h
and the
end-call key
a
will not work.
u
A connected headset will also be
muted.