Philips SE171 - Manual (Page 19)

19
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During the conference call
1
Press INT to put the external call on hold
and go back to the internal call.
The external call is put on hold. »
2
Press INT to toggle between the external
and internal call.
3
Press and hold INT to establish the
conference call again.
Note
If a handset hangs up during the conference •
call, the other handset remains connected to
the external call.