Polycom RMX 1500 Getting Started Manual page 170

Chapter 3-Basic Operation
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— When PCM is active, FECC can only be performed by the
chairperson using PCM's Camera Control menu.
• FECC is available to all IP participants in the conference with the
exception of the chairperson that has an active PCM session.
• If enabled, Message Overlay is not displayed while PCM is active.
• Normal conference video is resumed after 4 seconds of inactivity
within the PCM menu.
• If a chairperson with active PCM session is moved to another
conference, the PCM session is automatically terminated.
• The PCM_LANGUAGE System Flag determines the language of the
PCM interface.
Possible Values: ENGLISH, CHINESE_SIMPLIFIED,
CHINESE_TRADITIONAL, JAPANESE, GERMAN, FRENCH,
SPANISH, KOREAN, PORTUGUESE, ITALIAN, RUSSIAN,
NORWEGIAN
Default: Current RMX Web Client language.
• The Start PCM DTMF code for initiating PCM is configured in the
DTMF Codes tab of the New Conference IVR Service or Conference IVR
Service Properties dialog box. The default DTMF Code is ## and can be
modified or if required.
The default value of the Permission field is Everyone. It can be
modified to Chairperson.
Default DTMF Code '##"
Everyone /Chairperson