make a conference call:
||Make a phone call as you normally would, and wait until
||Once you're connected, press CONF.
Doing this will put the call on hold.
||Pick an available line out, and make another phone call. Wait until
||Once you're connected, press CONF
again to tie all parties together into a conference call.
||To add more parties to the conference call, press CONF
to come out of the conference call. Your CONF button
will blink. The other parties will continue the conference call despite
your absence. Repeat steps 3 through 4
||Hanging up the phone at any time will terminate the conference call.