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480i IP Phone User Guide 13
Making Calls
hook, press d to disconnect
a handsfree call.
When handsfree is on, the speaker
light turns on.
Using a Headset
The 480i accepts headsets through
the modular RJ22 jack on the
back of the phone. Contact your
telephone equipment retailer or
distributor to purchase a
compatible headset. Customers
should read and observe all safety
recommendations contained in
headset operating guides when
using any headset.
Advanced Volume Controls
for the Headset Mic
On the 480i, there are 3 options
for the headset microphone
volume. To change this volume:
1. Press % to enter the Options
List.
2. Use
s to scroll down the list
of options to Set Audio and press
the Show softkey.
3. Press the Advanced softkey.
4. Use
s to scroll down the list
or press the Change softkey to go
to the next selection.
5. Press the Done softkey to save
changes and exit.
6. If you do not wish to save
changes, press the Cancel
softkey.
Note: By default, the volume for
the headset microphone is set
to medium.
To Make and Receive Calls
Using a Headset
1. Ensure that you have
selected a headset audio mode
by accessing the Options list
available from the phone. See
the section “Customizing Your
Phone” in the Aastra 480i
Installation Guide for
information on these settings.
2. Plug the headset into the jack.
3. Press the d /f key to obtain
a dial tone or to answer an
incoming call. Depending on
the audio mode selected from
the Options list, a dial tone
or an incoming call will be
received on either the headset
or the handsfree speakerphone.
4. Press
b end the call.
Redial
Press the v button to
automatically dial the most
recently dialled number you were
connected to that was dialled from
the phone.
Mute
Press the a button to mute
handset, headset or handsfree.
The speaker light will flash slowly
and the text “Mute” will appear
on the screen. You will still be able
to hear the caller, but they will
not hear you. To toggle mute on or
off, press a.
Note: If you place a muted call on
hold, the phone automatically
takes the call off mute when you
reconnect to the call.