AASTRA 6700i for Aastra 800 and OpenCom 100 User Guide EN - Manual (Page 15)

Using the Aastra 673xi / 675xi
13
Three-Party Conference Calls
You are making a call, e.g. on the trunk key 1 , its LED indicator is lit. You can now
forward the call, execute an enquiry, switch back and forth between two subscribers
(“toggle”) or set up a conference. You can use any available trunk key
/ /
for three-party conference calls.
Enquiry
While telephoning, you can make an enquiry to another subscriber.
Note
The enquiry function cannot be used to transfer calls on SIP telephones. Alterna-
tively, use the Xfer softkey resp. the Transfer key
on the Aastra 6730i / 6731i.
Press the up arrow key on the Aastra 6753i.
1. Press an unassigned trunk key, e.g. trunk key 2 .
You hear the internal dialling tone. The person calling is put on hold and now
hears music on hold.
2. Now dial the call number of the subscriber desired and make the enquiry call.
3. Press the Goodbye key to terminate the enquiry call.
4. on the Aastra 6730i / 6731i / 6753i / 6755i / 6757i: Press the trunk key where the
first caller is waiting. You are now connected with the caller on hold once again.
If after ending the enquiry call you put down the handset, after a few seconds you
will automatically be called back with the connection on hold.
Toggling
On the Aastra 6730i / 6731i / 6753i / 6755i / 6757i
While you are conducting an enquiry call, the first caller is put on hold (see page 13).
Now you can toggle between callers (switch back and forth).
1. Press the trunk key (e.g. ) of the caller waiting currently. The other caller is put
on hold. The LED indicator of the trunk key of the respectively held caller blinks
during this process. The held caller hears music on hold.
2. Press the trunk key of the caller waiting to switch to that caller. The other caller is
now put on hold.