Model 480i SIP User Guide 10
Making Calls
Using Handsfree Speakerphone
The handsfree feature allows you
to speak to someone without using
the handset or headset. Your
phone must be in either the speaker
or speaker/headset audio mode.
For more information on how to set
this audio option in your phone,
see the section “Customizing Your
Phone” in the Aastra 480i Installation
Guide.
• To dial using handsfree, Þrst
press d and enter a number
at the dial tone.
• To answer a call on the
480i phone using handsfree,
press d or the line/call
appearance button.
• If in speaker audio mode, press
d to switch between handsfree
and handset.
• If in speaker/headset audio
mode, press d to switch
between handsfree and headset.
• When the handset is on
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 recommenda-
tions 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 7.Set Audio and
press the Show softkey, or you
can press 7 to jump directly
to this option.
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 Installa-
tion 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 the k key to end
the call.