3-Way Conference Calling
You can set up a
1.During an external call, press 
on the navigation key and then the destination handset number that you would like to join the
2.The destination handset should press 
to answer.
3.Press 
to start the
4.Either of the two internal handsets can press 
to leave the conference call at any time. If one of the handsets drops the call, the remaining handsets will continue the conference.
TROUBLESHOOTING
No dial tone
1.Check that all phone cord connections and AC adapter are securely plugged into the phone, wall jack and electric outlet of the main base.
2.Check that the AC adapter is securely plugged into the A300E base and electric outlet.
3.Check that the handset batteries are installed properly and are in full power (pages
4.Check that the handset has been properly registered to the main base (page 8).
5.Check that the phone is in the correct dialing mode: tone or pulse.
6.Plug another phone into the wall jack to make sure your phone service is working.
Nothing appears on the display
1.Check that the handset batteries are installed properly and are in full power.
2.Check that the handset has been turned on (page 9).