Polycom 1500 Getting Started Manual page 181

RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Getting Started Guide
 In systems with MPMx cards, the maximum number of PCM sessions is set by a system flag
NUM_OF_PCM_IN_MPMX. The default value of this flag is set according to the SVC license:
 If SVC is enabled in the license the default value (and the only possible value is 1.
 If SVC is disabled in the license, the default value is 4 and the range is between 1 and 4.
 If all possible PCM sessions are active on a media card and a chairperson of another conference,
hosted on the same media card, attempts to start an additional PCM session, a message is
displayed indicating that the requested PCM session cannot be activated because the maximum
number of concurrent PCM sessions are already activated. FECC is then activated.
 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.
● PCM cannot be activated from the chairperson's endpoint when connected with QCIF resolution.
● 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.
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