
DCN Next Generation Open Interface Release 2.4 Intercom
en | 269
Bosch Communications Systems | 2007 February | SRS_ICINF | Du110902
4. UPDATE NOTIFICATIONS
4.1 Introduction
This chapter describes the various update notifications sent by the CCU. All the update
notifications of the IC application are listed in this chapter.
4.1.1 Update notification item explanation
Each update notification description consists of the following items:
• Purpose
A global description of the purpose of the notification.
• Notify structure with this update
The information passed with the update notification.
4.1.2 Unit/user event relations
This section gives information about the events coming from the units and the processing done
for the events. In the table below and overview is made about the events and the actions
performed.
Event Action performed
Pick up the hook on a
unit (NOT the
operator)
The following notifications are sent:
• IC_UPD_AVAILABLE_LINES
• IC_UPD_INCOMING_CALL
• IC_UPD_OPERATOR_STATE
Put down the hook on
a unit (NOT the
operator)
The following notifications are sent:
• IC_UPD_AVAILABLE_LINES
• IC_UPD_OPERATOR_STATE
Operator picks up the
hook
The following notifications are sent:
• IC_UPD_AVAILABLE_LINES
• IC_UPD_OPERATOR_STATE
Operator puts down
the hook
The following notifications are sent:
• IC_UPD_AVAILABLE_LINES
• IC_UPD_OPERATOR_STATE
4.2 Intercom notifications
4.2.1 IC_UPD_AVAILABLE_LINES
Purpose
Notifies the remote controller about the number of lines that are available for intercom.
Notify structure with this update
The update comes with the following structure:
BYTE byLines;
where:
byLines The number of available intercom lines.
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