User manual
Appendix C-CDR Fields - Unformatted File
C-28
Secondary Cause 
(cont.)
15 - Video stream violation due to incompatible annexes 
or other discrepancy.
16 - Inadequate video resources
17 - When moved to a Transcoding or Video Switching 
conference, the participant’s video capabilities are not 
supported by the video cards
18 - Video connection could not be established
24 - The endpoint closed its video channels
25 - The participant video settings are not compatible 
with the conference protocol
26 - The endpoint could not re-open the video channel 
after the conference video mode was changed
27 - The gatekeeper approved a lower bandwidth than 
requested
28 - Video connection for the SIP participant is 
temporarily unavailable
29 - AVF problem. Insufficient bandwidth.  
30 - H2.39 bandwidth mismatch 
255 - Other
Table C-12  Event Fields for Event 7 - PARTICIPANT DISCONNECTED
Field Description
Participant Name The name of the participant. 
Participant ID The identification number assigned to the participant by 
the MCU.
Call Disconnection 
Cause
The disconnection cause. For more information about 
possible values, see Table C-35, “Disconnection Cause 
Values”, on page C-55.
Q931 Disconnect 
Cause
If the disconnection cause is “No Network Connection” 
or “Participant Hang Up”, then this field indicates the 
Q931 disconnect cause.
Table C-11  Event fields for Event 5 - ISDN/PSTN PARTICIPANT 
CONNECTED (Continued)
Field Description










