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8
Call transfer and Intercom between two handsets
These functions only work when more then one handset (like a Twin/Triple/
Quattro version) is registered to the base!
8.1
Call transfer and conference call during an external call
During an external call, press the INT key followed by the number (1-4) of the other handset.
The other handset will start to ring:
– When the other handset takes the line you can talk internally.
If you hang up, the external line will be connected with the other handset.
If you press and hold the INT key for 3 seconds you can talk with the 2nd handset
and external line at the same time (conference call)
– Or press the INT key again to return to the external call.
Press the Line button
8.2
Internal call (intercom)
In standby press the INT key followed by the number (1-4) of the other handset.
other handset will start to ring. You can stop the ringing by pressing the line button
If the other handset answers the call by pressing the Line button
Press the Line button
9
Troubleshooting
Problem
No Display
No dialling tone
Volume of conversation partner
too low
Handset ringer volume too low
Not possible to dial a number
10 Technical Data
Range:
Dialling options:
Batteries:
Max. standby time:
Max. talk time:
Ambient temperature:
Permitted relative air humidity:
Power supply base adapter:
Memories
Topcom Butler 3400/Twin/Triple/Quattro
to end the call.
to end the call.
Possible cause
Batteries not charged
Telephone cable not
properly connected
Wrong dial mode
up to 300 m in open space
up to 50 m in buildings
DTMF (tone) and Pulse
2 x 1.2V, 600 mAh AAA Type NiMH rechargeable
approx. 100 hours
11 hours
+5 °C to +45 °C
25 to 85 %
220/230V , 50 Hz
10 indirect with max. 25 digits
Topcom Butler 3400/Twin/Triple/Quattro
you can talk internally.
Solution
Check the position of the
batteries
Recharge the batteries
Check the connection
of the telephone cable
Adjust the volume during the
conversation by pressing the
volume key
Adjust the ringer volume
See §5.13 to set the correct dial
mode
The
.
7
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