AUDIOLINE BigTel 280 Bedienungsanleitung Seite 78

Telephoning
3-Party Conference
Conf.
☞
the other handset still in connection with the external call.
External call during an internal connection
18
Service-Hotline Germany: Tel. 0180 5 001388 (Costs for call from german
landline at time of print: 14 ct/min, max. 42 ct/min from mobile phone providers.)
During an external call . . .
Press the INT key.
Enter the internal number of the desired hand-
set.
When the called handset answers press the
softkey under
The 3-party conference is established.
If any handset hangs up during a conference call will leave
When you are on an internal call the base rin-
ger will announce an incoming external call. In
addition you will hear an attention tone in the
earpiece.
Press the On-Hook key. The internal call will
be ended.
The external call will be signalled.
Press the Off Hook key to take the external
call.
Conf.
.