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Call Toggle
A user may toggle between the external call and the internal call when either is on hold. Press [INT /
OK] key to perform call toggling.
During internal call waiting, "INT" icon will flash.
Three party conference
When an external call and an internal call are both established at the same time and one of them is on
hold, the initiating handset can start a three-party conference by pressing and holding [#] for 2
seconds.
When an external call has been established between external caller and one handset, user can press
[ ] on another handset to join the call with a notification tone.
EXT
INT
C O N F E R E N C E
If one handset has pressed [ ] during the conference, it will go on-hook with a notification tone and
the other handset will continue to establish the external call.
EXT
Mute conversation
During conversation (internal or external call), the microphone can be muted by pressing [ ].
After the function is selected, the 'mute' icon will be on.
EXT
1 0 : 0 6
When the outgoing conversation is muted, a user may press [ ] to un-mute the speech path. After
that, the 'mute' icon will be cleared.
Changing Volume
During conversation (internal and external call), the earpiece volume can be adjusted by pressing
[ /
] or [Menu/ ].
The adjusted volume level is indicated by a volume bar as shown;
EXT
[
□
□
□
The volume bar will appear for 2 seconds after the last key press.
When press [ /
wrap to level 1 or level 5.
]
] to increase volume if level is 5 or press [Menu/ ] to decrease if it is 1, it will
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