Polycom RMX 1500 Administrator's Manual page 151

The New Participant or Participant Properties - General dialog box is
displayed.
2
If defining a new participant, enter the required information in the
New Participant – General dialog box for the participant.
For more information, see "Adding a new participant to the Address
Book" on page 4-4.
3 Click the Advanced tab.
4
Select the Telepresence Mode for the participant:
Table 2-20 New Participant – Telepresence Mode
Mode
RPX
Polycom RMX 1500/2000/4000 Administrator's Guide
Description
Select this option for room endpoints that transmit
4:3 video format.
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