AASTRA 4425 IP Vision for BusinessPhone User Guide - Manual (Page 45)

45 BusinessPhone – Dialog 4425 IP Vision
During Calls
Call Waiting
If you hear the Call Waiting tone during an ongoing conversation,
another person is trying to contact you.
To terminate the ongoing call and answer the waiting
call
d
Replace the handset to finish the ongoing call.
The waiting call is signalled on your phone. u
Lift the handset to answer the new call.
Or: Â d
Press and replace the handset to answer in handsfree mode.
Conference
You have an ongoing conversation and you want to establish a
telephone conference.
Line
Ц Ф
Press.
z
Enter the number of the third party.
Line
Ц Ф 3
Press to establish a three party conference.
Now you have established a three party conference. To mark the
conference, all conference members will hear a periodical
conference tone.
Repeat the procedure to include other persons to 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. d
Replace the handset to leave the conference.