9
9
C
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S
S
e
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v
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HUAWEI
24
y
Caller ID display
y
Conference Call
To use the supplementary services, you need the operator to enable them. For details of
the operation, consult the network operator.
Volume Adjustment and Mute
Click
or select
Tools
>
Call
. Then the
Call
interface is displayed. You can adjust the
volume at any time. You can also mute your voice so that the person you are talking to
cannot hear you even though the line is still active.
y
To increase the volume, press
.
y
To decrease the volume, press
.
y
To mute your voice, press
.
y
To resume normal talk, press
.
Shortcut Keys for Call Service
The following table lists the shortcut keys and their functions.
Shortcut
keys
Description
Enter
y
After entering a call number, press
Enter
to make the call.
y
Press
Enter
to answer an incoming call.
Ctrl
+
B
The shortcut key for
.
Ctrl
+
D
The shortcut key for
.
Ctrl
+
H
The shortcut key for
.
Ctrl
+
+
/
-
The shortcut key for volume adjustment.
