Contents
1 Introduction
This document concerns alarm handling.
1.1 Alarm Description
This alarm is raised when the number of originating calls received without subscription crosses the arm threshold value of MtasMmtNoSubscriptionCallReceived. A single alarm is raised per MTAS instance.
The alarm is automatically cleared when the number of calls without subscription (MtasMmtNoSubscriptionCallReceived) decreases below the disarm Low value configured in Threshold Monitor Job after a maximum of 60 minutes (Granularity Period of the Threshold Monitor).
The default arm and disarm threshold values are respectively 300 and 150.
The possible alarm causes and fault locations are described in Table 1.
|
Alarm Cause |
Description |
Fault Reason |
Fault Location |
Impact |
|---|---|---|---|---|
|
Number of MtasMmt calls without subscription crosses arm threshold value. |
Number of originating calls received without subscription exceeded the limitation. |
Number of calls without subscription are higher than expected in a time period. |
MtasMmt |
No Impact. The alarm indicates that there are more number of calls without subscription received in the network in a time period. |
- Note:
- The alarm can appear as a result of the maintenance activity.
The alarm attributes are described in Table 2.
|
Attribute Name |
Attribute Value |
|---|---|
|
Major Type |
193 |
|
Minor Type |
6619244 |
|
Managed Object Class |
|
|
Managed Object Instance |
MtasFunction.applicationName=MtasFunction,MtasServices.mtasService=0,MtasMmt.mtasMmt=0,MtasMmtNoSubscription.mtasMmtNoSubscription=0 |
|
Specific Problem |
MtasMmtNoSubscription, Number of originating calls received without subscription exceed the limitation |
|
Event Type |
qualityOfServiceAlarm (3) |
|
Probable Cause |
x733ThresholdCrossed (351) |
|
Additional Text |
Received NoServiceMode calls exceed the limitation in given period |
|
Perceived Severity |
minor (5) |
1.2 Prerequisites
This section describes the possible documents, tools, and conditions needed before performing steps to clear the alarm.
1.2.1 Documents
No documents are needed.
1.2.2 Tools
No tools are required.
1.2.3 Conditions
No conditions.
2 Procedure
Not applicable.