Polycom RealPresence 1500 Administrator's Manual page 341

5 Define the following Advanced parameters:
New Participant - Advanced
Field
Video Bit Rate / Auto
(IP Only)
Video Protocol
Resolution
Broadcasting Volume +
Listening Volume
Polycom®, Inc.
Description
The Auto check box is automatically selected to use the Line Rate defined for
the conference.
Note: This check box cannot be cleared when defining a new participant during
an ongoing conference.
To specify the video rate for the endpoint, clear this check box, and then select
the required video rate.
Select the video compression standard that will be forced by the MCU on the
endpoint when connecting to the conference: H.261, H.263, H.264 or RTV.
Select Auto to let the MCU select the video protocol according to the endpoint's
capabilities.
The Auto check box is automatically selected to use the Resolution defined for
the conference.
To specify the Resolution for the participant, select the required resolution from
the drop-down menu.
To adjust the volume the participant broadcasts to the conference or the volume
the participant hears the conference, move the slider; each unit represents an
increase or decrease of 3 dB (decibel). The volume scale is from 1 to 10, where
1 is the weakest and 10 is the strongest. The default connection value is 5.
Address Book
311