Philips Cell Phone - Manual (Page 14)

Calling 13
3. Select Remove party to disconnect a member of
the conference, or select Private call to have a
private call with this member only (other
members are put on hold).
4. Press ) to disconnect all calls at once.
If there is an incoming call during the conference call
and there are less than five members, you can accept
this new call and add this member to the
Conference
call (if five members are already connected, you can
answer the call, but not add it to the conference).