Contents

1   Introduction

This instructions concerns alarm handling.

1.1   Alarm Description

The alarm is raised when Multimedia Telephony (MMTel) service is enabled through the mtasMmtAdministrativeState attribute, but the license allowing use of the MMTel basic services is not available in Network License Server (NeLS).

The alarm is cleared when valid License is installed or mtasMmtAdministrativeState attribute is disabled.

For more information, refer to MTAS Licenses.

The possible alarm causes and the corresponding fault reasons, fault locations, and impacts are described in Table 1.

Table 1    Alarm Causes

Alarm Cause	Description	Fault Reason	Fault Location	Impact
MMTel Voice Base License is not present.	MTAS is unable to get MMTel Voice Base License details from NeLS.	The NeLS server is unreachable, or the license is unavailable, has expired, or is corrupted.	NeLS server	MTAS cannot handle MMTel services.
			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	6619231
Managed Object Class	MtasMmt
Managed Object Instance	MtasFunction.applicationName=MtasFunction,MtasLicenses.mtasLicenses=0
Specific Problem	MtasMmt, MMTel Voice Base License Absent
Event Type	communicationsAlarm (2)
Probable Cause	m3100Unavailable(14)
Additional Text	No License found or License Server Not reachable or License expired or License Server in LOCKED mode
Perceived Severity	critical (3)
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:

• 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 a network-related alarm on the Managed Element (ME), act on it first.
2. If there is License Management, Autonomous Mode Activated alarm on the ME, act on it.
3. If there is License Management, Key File Fault alarm on the ME, act on it.
4. Check whether a valid MMTel Voice Base license (CXC4012143) is installed. For more information, refer to View License Information.
5. If no license is present or if license granted status is false and expiration shows an already elapsed date, proceed with Step 8.
6. Check The alarm status. Is 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.