
DCN Next Generation Open Interface Release 2.4 Microphone Management
en | 110
Bosch Communications Systems | 2007 February | SRS_MMINF | Du020903
Note that a delegate does not really turns on its microphone, but he makes a Request to
speak. Depending on the operation mode and the current lists, he is added to the SPK list or
the RTS list. On this Request-to-Speak-event also a remark has to be made if the
unit/delegate is in the Speakerslist but with the microphone off (which is possible with the
function MM_C_SET_MICRO_ON_OFF, see section 3.3.1). In that case for all operation
modes a MM_C_SPK_REMOVE_ON_PC update notification is first given for the current unit
after which the update notifications according to the event matrix are generated.
4.2 MM General notifications
4.2.1 MM_C_SET_MIC_OPER_MODE_ON_PC
Purpose
Notifies the remote controller that the microphone operation-mode has changed on the CCU.
Notify structure with this update
The update comes with a structure as defined in section 3.2.5.
4.2.2 MM_C_SET_ACTIVE_MICS_ON_PC
Purpose
Notifies the remote controller that the number of active microphones has changed on the
CCU.
Notify structure with this update
The update comes with a structure as defined in section 3.2.6.
4.2.3 MM_C_SET_SETTINGS_ON_PC
Purpose
Notifies the remote controller that there is a change in the global settings on the CCU.
Notify structure with this update
The update comes with a structure as defined in section 3.2.7
4.3 MM Speaker list notifications
The Microphone Management speaker list notifications reports the changes in the speakers
list.
4.3.1 MM_C_MICRO_ON_OFF
Purpose
Notifies the remote controller that a microphone of a unit is turned on or off. This notification
will be sent when a delegate turns its microphone on or off.
Notify structure with this update
The update comes with the following structure:
typedef struct
{
WORD wUnitId;
WORD wMicroId;
WORD wPrioId;
} MM_T_MICRO_ONOFF_ON_PC;
where:
wUnitId Unit Identifier
wMicroId Passes the status of the microphone. This parameter can be
one of the following values:
• MM_C_PC_MIC_ON
• MM_C_PC_MIC_OFF
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