User’s Guide for Polycom HDX Room Systems
Icon | Presence State | Description |
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| Available | Indicates that the HDX system or |
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| Office Communicator or Microsoft Lync |
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| user is available. |
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| Offline | Indicates the HDX system or Office |
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| Communicator or Microsoft Lync user |
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| is offline. |
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| Presence Unknown | Indicates that the presence state of the |
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| HDX system or Office Communicator |
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| or Microsoft Lync user is unknown. |
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Multipoint Calls Using Centralized Conferencing Control
Protocol (CCCP)
If a Polycom HDX system is deployed in a Microsoft Lync Server 2010 environment and Centralized Conferencing Control Protocol (CCCP) is enabled, you can place and participate in multipoint calls that are hosted by Microsoft audio and video servers.
Contact your system administrator and the Polycom Unified Communications Deployment Guide for Microsoft Environments for more information about CCCP multipoint calling, which is referred to as Lync Conferencing in that book.
When you add a group to a CCCP conference, only the first three contacts in the group are added to the call.
Muting in a CCCP Call
A Microsoft Lync client acting as the call organizer can mute all of the participants in the call. You cannot unmute until the organizer unmutes the participants unless you are designated as a presenter. If the meeting organizer has muted your Polycom HDX system selectively, you can unmute your system even if the organizer does not. It is important to understand that no one else can unmute your microphone. They can only request that you unmute.
When your mute status changes due to a Microsoft Lync client organizer muting or unmuting all of the participants, notification is displayed on the Polycom HDX system monitor.
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