Ericsson DIALOG 4220 - Manual (Page 36)

During Calls
Dialog 4220 Lite/Dialog 4222 Office 36
Conference
With this procedure you can include up to seven parties in a
conference. Only the conference leader (i.e. the person initiating the
conference) can admit participants. During the conference a tone
will be heard every 15th second.
Note: The conference tone might be disabled for your
system.
You have an ongoing conversation (Line 1) and want to establish a
phone conference. You will become the conference leader. Ô
Inquiry Press.
Note: You can also press Line 2 or Inquiry. z
Call the third party.
Wait for answer. 3
Press to establish a conference.
Note: You can also press: Conference (function key
preprogrammed by you).
Repeat the procedure to add more conference members. d
Replace the handset to leave the conference.
Note: A tone burst is heard each time a participant enters
or leaves the conference. When the conference leader
leaves the conference, the conference will continue with the
other included parties. The conversation is changed back to
a normal two party connection when there is only two
parties left.