SCCP/API:Alarms

Toolpack currently offers three types of alarms.

Alarm

The alarm (event) notification message is received by the host application when a SCCP is reporting an error. General explanation of the alarm event notification fields:

• The SCCP handle field specifies the handle of the SCCP instance

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• The Category field indicates the category of the alarm. Possible values:

Alarm Category	Description
Protocol	Protocol related alarms
Interface	Interface related alarms

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• The Event field specifies the event that cause the alarm

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• The Cause field specifies the cause of the alarm

Event of Protocol Category	Cause	Description
Protocol	Invalid Event Decode Error	Invalid network message Message decoding error Invalid message type
Routing error	Invalid Route	Routing error
Hop violation	Out of range	Message discarded due to hop counter violation
Unequipped	Protocol unequipped	MTP-STATUS with indication remote SCCP unequipped.

LSAP Alarm

The alarm (event) notification message is received by the host application when a SCCP LSAP is reporting an error. General explanation of the LSAP alarm event notification fields:

• The SCCP handle field specifies the handle of the SCCP instance
• The SCCP LSAP handle field specifies the handle of the SCCP LSAP instance
• The Category field indicates the category of the LSAP alarm. Possible values: see SCCP alarm category table at the beginning of this page
• The Event field specifies the event that cause the LSAP alarm

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• The Cause field specifies the cause of the Lsap alarm.

SCCP event and cause LSAP alarm under CATEGORY_PROTOCOL

Event of Protocol Category	Cause	Description
Protocol bind-fail	Unknown	Bind with service provider failed.
Protocol syntax error	Invalid network message	Syntax error in message received from the network.

SCCP event and cause LSAP alarm under CATEGORY_INTERFACE

Event of Interface Category	Cause	Description
Invalid lower interface event	Out of range Interface invalid SU Interface protocol not active	Invalid lower interface event because of: Parameter value out of range Invalid suId Protocol layer not active

Userpart Alarm

The alarm (event) notification message is received by the host application when a SCCP Userpart is reporting an error. General explanation of the Userpart alarm event notification fields:

• The SCCP handle field specifies the handle of the SCCP instance
• The SCCP Userpart handle field specifies the handle of the SCCP Userpart instance
• The Category field indicates the category of the Userpart alarm. Possible values: see Table 90 - SCCP alarm category 0350033003000340039000000 .
• The Event field specifies the event that cause the Userpart alarm.

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• The Cause field specifies the cause of the Userpart alarm

SCCP event and cause LSAP alarm under CATEGORY_PROTOCOL

Event of Protocol Category	Cause	Description
Protocol in-service	Protocol user-initiated	SCCP user came in-service (user initiated request)
Protocol out-of-service	Protocol user-initiated	SCCP user going OOS (user initiated request)

SCCP event and cause LSAP alarm under CATEGORY_INTERFACE

Event of Interface Category	Cause	Description
Invalid upper interface event	Out of range Interface invalid SP Interface protocol not active	Invalid upper interface event because of: Parameter value out of range. Invalid spId. Protocol layer not active.