AASTRA DT292 for BusinessPhone User Guide EN - Manual (Page 31)

31 BusinessPhone – Cordless phone DT292
During Calls
Transfer to a busy extension
You can even transfer calls to busy extensions. The other party will
hear a muted signal (Camp-on), and the call will be extended, as
soon as the ongoing call is terminated (if Camp-on is allowed).
Call-back
You are called back, if you have transferred an external call and the
other extension has not answered the call within a certain time.
Your phone will ring again.
Conference
You have an ongoing conversation and you want to establish a
telephone conference. B
Press
Dial tone. Z
Enter the number of the third party.
B 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.
Press to leave the conference