Contents

1   Introduction

This document concerns alarm handling.

1.1   Alarm Description

The alarm is raised when a valid Business Line (BL) legacy Intelligent Network (IN) reuse license is not available in the Network License Server (NeLS) and the following conditions apply:

• The MMTel-AS is configured to serve business users (attribute mtasMmtServedSubscriberType is set to BUSINESS or BUSINESS_AND_CONSUMER).
• The CAPv2 service is enabled through the mtasSsfCapv2AdministrativeState attribute.

The alarm is cleared when at least one of the following conditions apply:

• A valid vMtasBLLegacyINReuse license is installed.
• Attribute mtasSsfCapv2AdministrativeState is locked.

For more information, refer to MTAS Licenses.

The possible alarm causes and fault locations are described in Table 1.

Table 1    Alarm Causes

Alarm Cause	Description	Fault Reason	Fault Location	Impact
The BL Legacy IN Reuse license is not present.	MTAS is unable to get the license details from NeLS.	The NeLS server is unreachable, or the relevant license is unavailable, has expired, or is corrupted.	NeLS server	MTAS cannot handle the CAPv2 service for business subscribers.
			TLS(1) configuration in the ME(2)
			Possible IP network issue
			DNS(3) server
			Network interface

(1)  Transport Layer Security (TLS)

(2)  Managed Element (ME)

(3)  Domain Name System (DNS)

The alarm attributes are described in Table 2.

Table 2    Alarm Attributes

Attribute Name	Attribute Value
Major Type	193
Minor Type	6619233
Managed Object Class	MtasLicenses
Managed Object Instance	MtasFunction.applicationName=MtasFunction,MtasLicenses.mtasLicenses=0
Specific Problem	MtasLicenses, MMTel BL Legacy IN Reuse License Absent
Event Type	communicationsAlarm (2)
Probable Cause	Unavailable(14)
Additional Text	No License found or License Server Not reachable or License expired or License Server in LOCKED mode
Perceived Severity	major (4)
Additional Info	-

1.2   Prerequisites

This section describes the possible documents, tools, and conditions needed before performing steps to clear the alarm.

1.2.1   Documents

This instruction references the following documents:

• Data Collection Guideline for MTAS
• License Management
• License Management, Autonomous Mode Activated
• License Management, Key File Fault
• MTAS Licenses
• View License Information

1.2.2   Tools

Not applicable.

1.2.3   Conditions

Before starting this procedure, ensure that the following conditions are met:

• An MtasLicenses, MMTel BL Legacy IN reuse License Absent alarm is raised.
• No ongoing maintenance activities are affecting the network or network elements.
• The user has proper authority to handle configuration management of the network elements.
• An Ericsson Command-Line Interface (ECLI) session in Exec mode is in progress.

2   Procedure

To clear the alarm:

1. If there is any network-related alarm on the Managed Element (ME), act on it first.
2. If there is a License Management, Autonomous Mode Activated alarm on the ME, act on it.
3. If there is a License Management, Key File Fault alarm on the ME, act on it.
4. Check if a valid vMtasBLLegacyINReuse license (CXC4012171) is installed. For more information, refer to View License Information.
5. If no license is present, or if the license granted status is false, and expiration shows an already elapsed date, proceed with Step 8.
6. Check the alarm status. Is the alarm still active?

   Yes: Continue with the next step.

   No: Proceed with Step 9.

7. Perform data collection. For more information, refer to Data Collection Guideline for MTAS.
8. Consult the next level of maintenance support. Further actions are outside the scope of this instruction.
9. Job is completed.