Topcom BUTLER E450 User Manual page 9

3.6 Internal call transfer
Transfer an external call to an other handset.
1 Press the internal call key.
INT
2 Enter the number of the internal handset (1 to 5), the external caller is put
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on hold.
3 When the other handset picks up, press the on-hook key to hang up and
transfer the call.
If the internal correspondent does not pick-up, press the internal call key again
INT
to reconnect to the external caller on line.
4 Press the on-hook key to hang up or put the handset back on the base.
3.7 Conference call
Only possible when more then one handset are registered to the base!
You can converse simultaneously with an internal correspondent and an external correspondent.
During an external call:
1 Press the internal call key.
INT
2 Enter the number of the internal handset (1 to 5).
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3 When the other handset picks up, press and hold the ' ' key.
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If the internal correspondent does not pick-up, press the internal call key again
INT
to reconnect to the external caller on line.
4 Press the on-hook key to hang up or put the handset back on the base.
3.8 Handsfree mode
You can speak with your correspondent without picking up the handset.
1 Press the handsfree key during a call to activate or deactivate the handsfree
3.9 Speaker volume during call
1 During a conversation, press the up or down key to change the volume
accordingly.
The handsfree volume is also adjusted together with the receiver in the handset as
above described.
3.10 Display of call duration
The call duration is displayed after 15 seconds, in minutes - seconds.
At the end of each call, the total call duration is displayed for 5 seconds.
3.11 Microphone mute
It is possible to mute the microphone during a conversation.
1 Press the mute key. You can talk freely without being heard by the calling
party.
"MUTE" is displayed.
2 Press the mute key again to return to normal mode.
mode.
Using the telephone
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