AASTRA 4220 Lite for BusinessPhone User Guide EN - Manual (Page 33)

33 BusinessPhone – Dialog 4220 Lite / Dialog 3210
During Calls
Conference
You have an ongoing conversation and you want to establish a
telephone Conference.
Dialog 4220 Lite
Inquiry
Ô
Press.
Or:
Line 2
Ô
Press.
z
Call the third party.
2nd
Ô
Press.
Conference
Ô
Press to establish a three party Conference.
Now you have established a three party conference. To indicate the
Conference, all Conference members will hear a periodical
Conference tone.
Repeat the procedure to include other persons into the
Conference.
In this way, you can include up to six parties in a conversation. How
many of them can be external callers depends on the programming
of the system.