Polycom RMX 1500 Administrator's Manual page 923

Table C-19 Event Fields for Event 18 - NEW UNDEFINED PARTICIPANT
Field
H.243 Password
Chair
Video Protocol
Broadcasting
Volume
Undefined
Participant
Node Type
Bonding Phone
Number
Video Bit Rate
Polycom RMX 1500/2000/4000 Administrator's Guide
Description
Not supported.
This field remains empty.
Not supported.
Always contains the value 0.
The video protocol, as follows:
1 - H.261
2 - H.263
4 - H.264

255 - Auto
The broadcasting volume assigned to the participant.
The value is between 1 (lowest) and 10 (loudest).
Each unit movement increases or decreases the volume
by 3 dB.
Indicates whether are not the participant is an undefined
participant, as follows:
0 - The participant is not an undefined participant.
2 - The participant is an undefined participant.
The node type, as follows:
0 - MCU
1 - Terminal
Note: This field is only relevant to ISDN/PSTN
participants.
The phone number for Bonding dial-out calls.
Bonding is a communication protocol that aggregates
from two up to thirty 64 Kbps B channels together, to
look like one large bandwidth channel.
The video bit rate in units of kilobits per second.
A value of 4294967295 denotes auto, and in this case,
the rate is computed by the MCU.
C-41