Polycom realpresence 1800 Administrator's Manual page 492

To view the participant properties during a conference:
1 In the Participants list, right click the desired participant and select Participant Properties.
The Participant Properties - Media Sources dialog box is displayed.
ISDN/PSTN Participant Properties - Media Sources
Field
Mute/Suspend
Block (Audio)
Polycom®, Inc.
Description
Indicates if the endpoint's audio and/or video channels from the endpoint have been
muted/suspended.
The entity that initiated audio mute or video suspend is also indicated.
• MCU – Audio or Video channel has been muted/suspended by the MCU.
• User – Channels have been muted/suspended by the Collaboration Server user.
• Participant – Channels have been muted/suspended by the participant from the
endpoint.
You can also cancel or perform mute and suspend operation using these check
boxes.
When checked, the audio transmission from the conference to the participant's
endpoint is blocked, but the participant will still be heard by other participants.
Conference and Participant Monitoring
461