4.7.5. Call Scenario Using QoS Threshold Values

The following scenario shows the sequence of calls required when setting or retrieving QoS threshold values:

1. Use the gc_OpenEx( ) function to open the media device.
2. Use the gc_GetResourceH( ) function to retrieve the media handle.
3. Use the gc_SetAlarmNotifyAll( ) function with a value of ALARM_NOTIFY to enable the notification of alarms, that is, all GCEV_ALARM events.
4. Use the gc_GetAlarmParm( ) function to get QoS thresholds.
5. Use the gc_SetAlarmParm( ) function to set QoS thresholds.
6. When a GCEV_ALARM event occurs, use the Global Call Alarm Management System (GCAMS) functions such as, gc_AlarmNumber( ), to retrieve information about the alarm that occurred.

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