3.4.6. gc_GetAlarmParm( )

The gc_GetAlarmParm( ) function can be used to get QoS threshold values. The function parameter values in this context are:

• linedev: The media device handle, retrieved using the gc_GetResourceH( ) function. See Section 4.10.2, Retrieving the Media Device Handle for more information.
• aso_id: The alarm source object ID. Set to ALARM_SOURCE_ID_NETWORK_ID
• ParmSetID: Must be set to ParmSetID_qosthreshold_alarm.
• alarm_parm_list: A pointer to an ALARM_PARM_FIELD structure. The alarm_parm_number field is not used. The alarm_parm_data field is of type GC_PARM, which is a union. In this context, the type used is void *pstruct, and is cast as a pointer to an IPM_QOS_THRESHOLD_INFO structure, which includes an IPM_QOS_THRESHOLD_DATA structure that contains the parameters representing threshold values. See the IPM_QOS_THRESHOLD_INFO structure in the IP Media Library API Library Reference and the IP Media Library API Programming Guide for more information. The thresholds supported by Global Call are QOSTYPE_LOSTPACKETS and QOSTYPE_JITTER.
• mode: Must be set to EV_SYNC.

Note: Applications must include the gcipmlib.h header file before Global Call can be used to set or retrieve QoS threshold values.

See Section 4.10.3, Setting QoS Threshold Values for code examples.

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