Sony IPELA PCS-G50 Operating Instructions Manual page 184

For details on the setups, see step 3 in "To call a remote party not
registered in the Phone Book" on page 83.
3
Select "Dial", and press the PUSH ENTER button on the Remote
Commander. You can also press the CONNECT/DISCONNECT (
button on the Remote Commander.
The system begins dialing the numbers selected in step 2. "Dialing" appears
on the monitor screen, and the ON LINE indicator (blue) on the
Communication Terminal blinks.
When the system connects to all the remote parties, the message "Meeting
starts!" appears on the screen, and the ON LINE indicator stops blinking and
lights.
To call additional remote parties
After starting communication with the remote party selected first, press the
CONNECT/DISCONNECT (
open the menu.
Perform one of the procedures described in "Calling a Remote Party" on page
82.
184
Starting a Multipoint Videoconference
/
Disconnect
Cancel
) button on the Remote Commander to
Phone Book
Dial
History
/
)