CISCO-H324-DIAL-CONTROL-MIB

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Organization: Cisco Systems, Inc.

Last Updated: 2007-02-06

Category: Cisco Devices, Telephony and VoIP

Description: Provides management objects for managing H.324 analog multimedia dial control on Cisco voice gateways for modem-based videoconferencing.

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What Is CISCO-H324-DIAL-CONTROL-MIB?

CISCO-H324-DIAL-CONTROL-MIB extends the IETF Dial Control MIB (RFC 2128) with call-detail objects specific to ITU-T H.324, the standard for analog multimedia (audio/video) calls carried over narrowband telephony connections such as ISDN, used for videoconferencing over modems. It belongs to Cisco's voice/video gateway product line and exposes a call-history table recording per-call setup details, negotiated bandwidth, and codec information for both transmitted and received video streams. Its primary monitoring value is tracking call and session-level software status rather than device hardware: administrators use it to verify call completion, codec negotiation success, and media throughput (packets/bytes) for troubleshooting failed or degraded video calls. It explicitly depends on and extends the IETF Dial Control MIB (RFC 2128), reusing its call-history indexing conventions. It is deployed on Cisco voice/video gateways handling legacy H.324 videoconferencing traffic over the PSTN or ISDN, and a CISCO-H324-DIAL-CONTROL-MIB download supplies the call-history object definitions needed to load this module into a MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in CISCO-H324-DIAL-CONTROL-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

Cisco voice/video gateway (H.324 analog multimedia dial-up equipment)

Monitoring Examples

An administrator would query cH324CallHistoryTable/cH324CallHistoryEntry, indexed by cH324CallHistoryConnectionId, to review completed calls' cH324CallHistoryH324CallType and cH324CallHistoryUsedBandwidth. Comparing cH324CallHistoryTxVideoCodec/cH324CallHistoryRxVideoCodec entries across calls helps confirm both endpoints negotiated a compatible video codec. A call showing low cH324CallHistoryTxVideoBytes or cH324CallHistoryRxVideoBytes relative to call duration would indicate a stalled or degraded video stream needing investigation.

What Can Be Monitored

H.324 call history
negotiated call bandwidth
transmitted/received video codec
transmitted/received video packet and byte counts
call connection identifiers

Imported Objects

From CISCO-DIAL-CONTROL-MIB

cCallHistoryIndex

OBJECT-TYPE

From CISCO-SMI

ciscoMgmt

OBJECT-IDENTITY

From CISCO-VOICE-COMMON-DIAL-CONTROL-MIB

CvcGUid
CvcVideoCoderRate

From DIAL-CONTROL-MIB

AbsoluteCounter32
callActiveIndex	OBJECT-TYPE
callActiveSetupTime	OBJECT-TYPE

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

TEXTUAL-CONVENTION

OIDs

OID symbolic	OID numeric	Type	Access	Description
ciscoH324DialControlMIB	1.3.6.1.4.1.9.9.621			This MIB module enhances the IETF Dial Control MIB (RFC2128) by providing H.324 call information over a telephony network. ITU-T Recommendation H.324 is the ITU standard covers audio and video to be shared among narrow-band visual telephone systems and terminal equipments over ISDN. REFERENCE [1] RFC 2128 Dial Control Management Information Base using SMIv2.
ciscoH324DialControlMIBObjects	1.3.6.1.4.1.9.9.621.1
cH324DialControlCallHistory	1.3.6.1.4.1.9.9.621.1.1
cH324CallHistoryTable	1.3.6.1.4.1.9.9.621.1.1.1		not-accessible	This table provides the H.324 extension to the call history table of IETF Dial Control MIB. It contains H.324 call leg information about specific voice encapsulation call with H.324 setup. An entry is added to the table when its associated call history entry in the IETF Dial Control MIB is created and the call history entry contains information for the call establishment to a voice encapsulation peer with video call information type. The entry is deleted when its associated call history entry in the IETF Dial Control MIB is deleted.
cH324CallHistoryEntry	1.3.6.1.4.1.9.9.621.1.1.1.1		not-accessible	The information regarding a single voice encapsulation call with H.324 setup.
CVC cH324CallHistoryConnectionId	1.3.6.1.4.1.9.9.621.1.1.1.1.1	CvcGUid	read-only	The global call identifier for the H.324 call.
CVC cH324CallHistoryIncomingConnectionId	1.3.6.1.4.1.9.9.621.1.1.1.1.2	CvcGUid	read-only	The global call identifier for the gateway call which will be shared with the associated call legs.
CH3 cH324CallHistoryH324CallType	1.3.6.1.4.1.9.9.621.1.1.1.1.3	CH324CallType	read-only	The type of H.324 call.
U32 cH324CallHistoryUsedBandwidth	1.3.6.1.4.1.9.9.621.1.1.1.1.4	Unsigned32	read-only	The bandwidth for the H.324 call session.
CVC cH324CallHistoryTxVideoCodec	1.3.6.1.4.1.9.9.621.1.1.1.1.5	CvcVideoCoderRate	read-only	The negotiated encoding type used to compress the video data in transmit direction for a H.324 call session.
NUM cH324CallHistoryTxVideoPackets	1.3.6.1.4.1.9.9.621.1.1.1.1.6	AbsoluteCounter32	read-only	The total number of video data packets transmitted for the H.324 call session.
NUM cH324CallHistoryTxVideoBytes	1.3.6.1.4.1.9.9.621.1.1.1.1.7	AbsoluteCounter32	read-only	The total number of video data bytes transmitted for the H.324 call session.
CVC cH324CallHistoryRxVideoCodec	1.3.6.1.4.1.9.9.621.1.1.1.1.8	CvcVideoCoderRate	read-only	The negotiated encoding type used to compress the video data in receive direction for a H.324 call session.
NUM cH324CallHistoryRxVideoPackets	1.3.6.1.4.1.9.9.621.1.1.1.1.9	AbsoluteCounter32	read-only	The total number of video data packets received for the H.324 call session.
NUM cH324CallHistoryRxVideoBytes	1.3.6.1.4.1.9.9.621.1.1.1.1.10	AbsoluteCounter32	read-only	The total number of video data bytes received for the H.324 call session.
cH324DialControlCallActive	1.3.6.1.4.1.9.9.621.1.2
cH324CallActiveTable	1.3.6.1.4.1.9.9.621.1.2.1		not-accessible	This table provides the H.324 extension to the active call table of IETF Dial Control MIB. It contains H.324 call leg information about specific voice encapsulation call with H.324 setup. An entry is added to the table when its associated call active entry in the IETF Dial Control MIB is created. The call active entry contains information for the call establishment to a voice encapsulation peer with video call information type. The entry is deleted when its associated call active entry in the IETF Dial Control MIB is deleted.
cH324CallActiveEntry	1.3.6.1.4.1.9.9.621.1.2.1.1		not-accessible	The information regarding a single voice encapsulation call with H.324 setup.
CVC cH324CallActiveConnectionId	1.3.6.1.4.1.9.9.621.1.2.1.1.1	CvcGUid	read-only	The global call identifier for the H.324 call.
CVC cH324CallActiveIncomingConnectionId	1.3.6.1.4.1.9.9.621.1.2.1.1.2	CvcGUid	read-only	The global call identifier for the gateway call which will be shared with the associated call legs.
CH3 cH324CallActiveH324CallType	1.3.6.1.4.1.9.9.621.1.2.1.1.3	CH324CallType	read-only	The type of H.324 call.
U32 cH324CallActiveUsedBandwidth	1.3.6.1.4.1.9.9.621.1.2.1.1.4	Unsigned32	read-only	The bandwidth for the H.324 call session.
CVC cH324CallActiveTxVideoCodec	1.3.6.1.4.1.9.9.621.1.2.1.1.5	CvcVideoCoderRate	read-only	The negotiated encoding type used to compress the video data in transmit direction for the H.324 call session.
NUM cH324CallActiveTxVideoPackets	1.3.6.1.4.1.9.9.621.1.2.1.1.6	AbsoluteCounter32	read-only	The total number of video data packets transmitted for the H.324 call session.
NUM cH324CallActiveTxVideoBytes	1.3.6.1.4.1.9.9.621.1.2.1.1.7	AbsoluteCounter32	read-only	The total number of video data bytes transmitted for the H.324 call session.
CVC cH324CallActiveRxVideoCodec	1.3.6.1.4.1.9.9.621.1.2.1.1.8	CvcVideoCoderRate	read-only	The negotiated encoding type used to compress the video data in receive direction for the H.324 call session.
NUM cH324CallActiveRxVideoPackets	1.3.6.1.4.1.9.9.621.1.2.1.1.9	AbsoluteCounter32	read-only	The total number of video data packets received for the H.324 call session.
NUM cH324CallActiveRxVideoBytes	1.3.6.1.4.1.9.9.621.1.2.1.1.10	AbsoluteCounter32	read-only	The total number of video data bytes received for the H.324 call session.
ciscoH324DialControlMIBConform	1.3.6.1.4.1.9.9.621.2
ciscoH324DialControlMIBConformance	1.3.6.1.4.1.9.9.621.2.1
ciscoH324DialControlMIBCompliances	1.3.6.1.4.1.9.9.621.2.1.1
ciscoH324DialControlMIBCompliance	1.3.6.1.4.1.9.9.621.2.1.1.1			The compliance statement for the SNMP entities that implement ciscoH324DialControlMIB module.
ciscoH324DialControlMIBGroups	1.3.6.1.4.1.9.9.621.2.1.2
cH324CallHistoryGroup	1.3.6.1.4.1.9.9.621.2.1.2.1			This collection of objects provide the H.324 call history.
cH324CallActiveGroup	1.3.6.1.4.1.9.9.621.2.1.2.2			This collection of objects provide the information about the H.324 active calls.

RFC description

Manages H.324 video telephony call control information over narrowband ISDN connections.

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Download CISCO-H324-DIAL-CONTROL-MIB

What Is CISCO-H324-DIAL-CONTROL-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description