AASTRA 6739i for Aastra 800 and OpenCom 100 User Guide EN - Manual (Page 21)

Operating Aastra 6739i SIP Telephone
19
Three-Party Calls
You are making a call, e.g. on the trunk key 1 , its corresponding LED indicator is
lit. You can now forward the call, execute an enquiry, switch back and forth between
two callers (“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 caller.
Note
The enquiry function cannot be used to transfer calls on SIP telephones. Alterna-
tively, use the
Transfer softkey or the transfer key .
1. Press an unassigned trunk key, e.g. trunk key 2 . Alternatively press
the Hold softkey and then press an available trunk key.
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 caller desired and make the enquiry call.
3. Press the goodbye key to terminate the enquiry call.
4. Press the trunk key where the first caller is waiting or press the Hold softkey.
You are now connected with the caller on hold once again.
Note
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.
Toggle
While you are conducting an enquiry call, the first caller is put on hold (see page 19).
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.