MEGACO-TONES-MIB

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Last Updated: 2001-02-14

Description: MEGACO-TONES-MIB module

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What Is MEGACO-TONES-MIB?

MEGACO-TONES-MIB is a vendor-neutral IETF MIB associated with the MEGACO/H.248 media gateway control protocol, an area of VoIP/telephony signaling used to control media gateways from a call agent. Based on its name, it is expected to define objects for configuring and reporting on the tone-generation packages used by MEGACO gateways, such as dial tone, ringback, busy tone, and other call-progress tones sent to endpoints. Its monitoring relevance would center on software/service-level status rather than hardware health - specifically whether tone-generation packages are correctly loaded, active, and being applied to terminations - rather than exposing CPU, memory, or environmental sensors. It depends on the broader MEGACO/H.248 MIB framework and terminology (packages, terminations, contexts) defined by the IETF Megaco working group. It would be deployed on media gateway devices in VoIP/PSTN interworking networks, monitored by call-agent or NMS software validating tone behavior across gateways. Engineers can download the MEGACO-TONES-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in MEGACO-TONES-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

VoIP media gateway
vendor-neutral, standards-based MIB, not tied to a specific manufacturer

Monitoring Examples

No sample_objects or module description detail beyond a placeholder title were provided for this module, so specific object or table names cannot be cited without inventing them. In a typical deployment, an operator would expect objects representing supported tone packages and per-endpoint tone-play status, used to confirm a gateway is correctly signaling busy or ringback tones during call setup. Because the source data here is minimal, this explanation is necessarily high-level rather than object-specific.

What Can Be Monitored

tone package availability
active tone playback status
supported call-progress tones

Imported Objects

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-IDENTITY
OBJECT-TYPE
mib-2

From SNMPv2-TC

DisplayString
RowStatus
TestAndIncr

OIDs

OID symbolic	OID numeric	Type	Access	Description
megacoTonesMIB	1.3.6.1.2.1.0			The MEGACO TONES MIB module.
megacoTonesMIBObjects	1.3.6.1.2.1.0.1
megTonesCapabilities	1.3.6.1.2.1.0.1.1
megTonesToneTable	1.3.6.1.2.1.0.1.1.1		not-accessible	This table contains a list of the various Tone Ids available on a Media Gateway. Each row of the table contains a field to indicate the Tone Id value (column 1), a field to indicate the Tone Group Id (column 2 ) associated with the Tone Id, a field to hold a name for the tone (column 3), a field to hold a Timeout value for the Tone Id (column 4), and a field to indicate the status of the table row (column 5).
megTonesToneEntry	1.3.6.1.2.1.0.1.1.1.1		not-accessible	This entry contains objects that indicate the Tone Id value, the Tone Group Id value, the Tone Name, and the status of the row. The indices for an entry are the megTonesToneSetId and the megTonesToneId, and a manager creates a row in this table to define a Tone. Thus, a toneSet consists of a list of Tones (toneIds)
INT megTonesToneSetId	1.3.6.1.2.1.0.1.1.1.1.1	INTEGER	not-accessible	This Row's unique toneSet identity.
INT megTonesToneId	1.3.6.1.2.1.0.1.1.1.1.2	INTEGER	not-accessible	A value to indicate a unique tone identity.
INT megTonesToneGroupId	1.3.6.1.2.1.0.1.1.1.1.3	INTEGER	read-create	A value to indicate the entry in the MegTonesGroupTable that defines this tone, it is an Index into that table
STR megTonesToneName	1.3.6.1.2.1.0.1.1.1.1.4	DisplayString	read-create	A string to indicate a unique tone identity.
I32 megTonesToneTimeout	1.3.6.1.2.1.0.1.1.1.1.5	Integer32	read-create	A value to indicate when the tone times out, expressed in milliseconds. This value is used as the primary means to determine when the tone is stopped; if the tone group duration(s) is greater than the tone timeout value, the tone is stopped when the tone timeout occurs. A value of 0 indicates no timeout (the tone will play until explicitly stopped).
ROW megTonesToneRowStatus	1.3.6.1.2.1.0.1.1.1.1.6	RowStatus	read-create	used to create new rows in this table, modify existing rows, and to delete rows.
TES megTonesNextGroupId	1.3.6.1.2.1.0.1.1.3	TestAndIncr	read-write	The Next Group Id value available for a Media Gateway. Assists the manager in selecting a value for megTonesToneGroupId. A manager will 'lock' this variable to ensure single access.
megTonesGroupTable	1.3.6.1.2.1.0.1.1.4		not-accessible	This table contains a list of the various tone groups. This table is recursively accessed in order to completely define a tone.
megTonesGroupEntry	1.3.6.1.2.1.0.1.1.4.1		not-accessible	This entry contains objects that describe the tone characteristics. The indices for an entry are the megTonesToneGroupId and megTonesGroupIndex. megTonesToneGroupId is a field from the megTonesToneTable
INT megTonesGroupIndex	1.3.6.1.2.1.0.1.1.4.1.1	INTEGER	not-accessible	A value used to access all the entries in the table that correspond to a particular Group Id. This value also serves to order the entries for the Group Index.
I32 megTonesGroupRef	1.3.6.1.2.1.0.1.1.4.1.2	Integer32	read-create	A value used to recursively enter the megTonesGroupTable. It indicates that this portion of the group is a reference to a different GroupId in the table.
INT megTonesGroupGroupLink	1.3.6.1.2.1.0.1.1.4.1.3	INTEGER	read-create	A value used to indicate how the entries for a Group Id are related.
I32 megTonesGroupFrequency	1.3.6.1.2.1.0.1.1.4.1.4	Integer32	read-create	A value to indicate the frequency in hertz of a tone. The range is decimal 0 to 4000.
I32 megTonesGroupLevel	1.3.6.1.2.1.0.1.1.4.1.5	Integer32	read-create	A value to indicate the amplitude expressed in dBm0 of a tone. The range is decimal -32 to 0.
I32 megTonesGroupDuration	1.3.6.1.2.1.0.1.1.4.1.6	Integer32	read-create	A value to indicate the duration expressed in milliseconds of a tone. The range is decimal 0 to 32767. A value of 0 indicates no duration is defined.
I32 megTonesGroupRepeatCount	1.3.6.1.2.1.0.1.1.4.1.7	Integer32	read-create	A value to indicate the repeat count of a tone. The range is decimal 0 to 32767, with value 0 Indicating infinite repeating
ROW megTonesGroupRowStatus	1.3.6.1.2.1.0.1.1.4.1.8	RowStatus	read-create	This is used to create new rows in this table, modify existing rows, and to delete rows.
megTonesProperties	1.3.6.1.2.1.0.1.2
megTonesProperty	1.3.6.1.2.1.0.1.2.1			Tones Property Package
megacoTonesMIBNotifications	1.3.6.1.2.1.0.2
megTonesNotifPrefix	1.3.6.1.2.1.0.2.0
megTonesNotifObjects	1.3.6.1.2.1.0.2.1
megacoTonesConformance	1.3.6.1.2.1.0.3
megTonesCompliances	1.3.6.1.2.1.0.3.1
megTonesCompliance	1.3.6.1.2.1.0.3.1.1			Compliance statement for entities which implement the Megaco Tones Package MIB.
megTonesConfGroups	1.3.6.1.2.1.0.3.2
megTonesToneSetGrp	1.3.6.1.2.1.0.3.2.1			Objects which implement ToneSet Definition
megTonesGroupGrp	1.3.6.1.2.1.0.3.2.2			objects which implement Tone-ToneGroup Characteristics Definition

RFC description

Manages Megaco/H.248 gateway tones including tone properties, capabilities, and tone set definitions for media gateways.

Start monitoring Vendor-neutral IETF standard (VoIP media gateway, Megaco tone-generation packages) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download MEGACO-TONES-MIB

What Is MEGACO-TONES-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description