H320MCU-MIB

All MIBs › H320MCU-MIB

Organization: ITU-T

Last Updated: 1998-12-22

Category: Domain: Telephony/VoIP

Description: ITU-T H.320 Multipoint Control Unit MIB for managing videoconferencing MCU ports and conference sessions.

Start monitoring vendor-neutral, standards-based MIB, any SNMPv3-capable network device (SNMP engine identity/boot/clock status) 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.

What Is H320MCU-MIB?

H320MCU-MIB is an ITU-T H.320-oriented MIB for managing a Multipoint Control Unit (MCU) used in circuit-switched (ISDN/H.320) videoconferencing, coordinating multiple endpoints into a shared conference. Based on the available data, only a conformance group object (h320McuMIBGroups) was present, suggesting this excerpt is largely a conformance/grouping definition rather than a full listing of runtime data objects; a complete implementation would typically expose per-port and per-conference status. Where implemented, such objects would let administrators monitor active conference sessions, port allocation, and call status, key operational indicators of MCU health and capacity. It builds on ITU-T H.320 videoconferencing standards and would typically coexist with related H.323/H.324 management MIBs in multimedia conferencing gateways. It is deployed on ISDN-based videoconferencing MCU hardware in enterprise or telepresence environments. Engineers implementing or auditing this functionality typically reference the H320MCU-MIB RFC/standard documentation for the authoritative specification.

IPNetwork Monitor allows you to monitor SNMP objects defined in H320MCU-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

ITU-T H.320 videoconferencing Multipoint Control Unit (MCU)

Monitoring Examples

Only the conformance object h320McuMIBGroups appears in the sampled data, so a concrete runtime monitoring scenario cannot be honestly constructed from it; this object itself is used by management stations to confirm which conformance groups the MCU agent implements, not to monitor live conference state.

Imported Objects

From MULTI-MEDIA-MIB-TC

MmGlobalIdentifier
mmH320Root	OBJECT-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Integer32
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

DisplayString
TruthValue

How to Use in IPNetwork Monitor

Example using h320McuTerminalStatsMCUCrcErrors OID:

Select a device implementing H320MCU-MIB as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type h320McuTerminalStatsMCUCrcErrors into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. The number of MCU CRC errors. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases between polls, since a rising count of errors, failures, or discards often points to a real underlying problem. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
h320Mcu	0.0.8.341.1.2.3
h320McuSystem	0.0.8.341.1.2.3.1
STR h320McuSysDescr	0.0.8.341.1.2.3.1.1	DisplayString	read-only	Multipoint Control Unit , which interconnects H.320 and T.120 -compliant conferencing systems.
INT h320McuSysSoftwareVersion	0.0.8.341.1.2.3.1.2	INTEGER	read-only	This data element is used to describe the H.320 software revision.
T/F h320McuSysG728	0.0.8.341.1.2.3.1.3	TruthValue	read-only	This value identifies whether the system is enabled for G728 audio codec.An ITU-T Recommendation for the encoding of 128-kbps companded PCM data to 16-kbps LD-CFLP code word
T/F h320McuSysChairControl	0.0.8.341.1.2.3.1.4	TruthValue	read-only	This value identifies whether the system is enabled for a video-switching method (using ITU-T Recommendation H.243) in which a participant at a conference site selects the current broadcaster from the controls provided by the conferencing system.
T/F h320McuSysConferencePassword	0.0.8.341.1.2.3.1.5	TruthValue	read-only	H320 Conference Password Supported.
T/F h320McuSysH243Cascading	0.0.8.341.1.2.3.1.6	TruthValue	read-only	Connecting two or more MCSs together to increase the number of terminals included in a multipoint conference
h320McuConference	0.0.8.341.1.2.3.2
h320McuConfStatusTable	0.0.8.341.1.2.3.2.1		not-accessible	This table contains information about entities that provide status information for a conference. It is a list of conference entries. The number of entries equals to the number of conferences.
h320McuConfStatusTableEntry	0.0.8.341.1.2.3.2.1.1		not-accessible	It contains objects that describe a conference.
OID h320McuConfId	0.0.8.341.1.2.3.2.1.1.1	MmGlobalIdentifier	not-accessible	The conference ID of the conference whose status you requested.
OCT h320McuConfName	0.0.8.341.1.2.3.2.1.1.2	OCTET STRING	read-only	The name of the conference whose status you requested.
T/F h320McuConfVideoSrc	0.0.8.341.1.2.3.2.1.1.3	TruthValue	read-only	The terminal number for the current conference video source. terminal numbers are assigned when a terminal is added to the conference.
T/F h320McuConfLsdSrc	0.0.8.341.1.2.3.2.1.1.4	TruthValue	read-only	The terminal number of the current conference low-speed data source.
T/F h320McuConfHsdSrc	0.0.8.341.1.2.3.2.1.1.5	TruthValue	read-only	The terminal number of the current conference high-speed data source.
T/F h320McuConfConferenceChair	0.0.8.341.1.2.3.2.1.1.6	TruthValue	read-only	The terminal number of the H.243 chairl controller for the current conference
T/F h320McuConfHsdChannelOpen	0.0.8.341.1.2.3.2.1.1.7	TruthValue	read-only	The current status for the high-speed data channel in this conference
T/F h320McuConfLsdChannelOpen	0.0.8.341.1.2.3.2.1.1.8	TruthValue	read-only	The current status for the low-speed data channel in this conference
T/F h320McuConfVideoMode	0.0.8.341.1.2.3.2.1.1.9	TruthValue	read-only	The current conference video switching mode: 0=Voice-Activated, No Chair 1=User-controlled (MCV) 2=Chair Controlled (VCB) 3=Director Selected 4=Voice-Activated With Chair
STR h320McuConfSelectedCaps	0.0.8.341.1.2.3.2.1.1.10	DisplayString	read-only	The capabilities that were selected for the current conference.
INT h320McuConfTransferRate	0.0.8.341.1.2.3.2.1.1.11	INTEGER	read-only	Conferemce transfer rate.
INT h320McuConfNetworkSpeed	0.0.8.341.1.2.3.2.1.1.12	INTEGER	read-only	Network type used by this conference: 1 - RESTRICTED=56 kbps channels 2 - UNRESTRICTED=64 kbps channels
h320McuTerminal	0.0.8.341.1.2.3.3
h320McuTerminalStatusTable	0.0.8.341.1.2.3.3.1		not-accessible	This table contains information about entities that provide status information for h320McuTerminals. The number of entries equals to the number of terminals.
h320McuTerminalStatusTableEntry	0.0.8.341.1.2.3.3.1.1		not-accessible	It contains objects that describe a terminal.
I32 h320McuTerminalId	0.0.8.341.1.2.3.3.1.1.1	Integer32	not-accessible	The terminal id number given at the time of registration.
OID h320McuTerminalConfId	0.0.8.341.1.2.3.3.1.1.2	MmGlobalIdentifier	read-only	The conference id for this terminal.
OCT h320McuTerminalConfName	0.0.8.341.1.2.3.3.1.1.3	OCTET STRING	read-only	The conference name for this terminal.
T/F h320McuTerminalAudioFrom	0.0.8.341.1.2.3.3.1.1.4	TruthValue	read-only	0 - no audio from the terminal 1 - audio from the terminal ok.
T/F h320McuTerminalVideoFrom	0.0.8.341.1.2.3.3.1.1.5	TruthValue	read-only	0 - no video from the terminal 1 - video from the terminal ok.
INT h320McuTerminalLsdChannelStatus	0.0.8.341.1.2.3.3.1.1.6	INTEGER	read-only	2 - low-speed data channel is closed 1 - low-speed data channel is open.
INT h320McuTerminalHsdChannelStatus	0.0.8.341.1.2.3.3.1.1.7	INTEGER	read-only	2 - high-speed data channel is closed 1 - high-speed data channel is open.
STR h320McuTerminalCapabilities	0.0.8.341.1.2.3.3.1.1.8	DisplayString	read-only	Capabilities for this terminal.
INT h320McuTerminalStatus	0.0.8.341.1.2.3.3.1.1.9	INTEGER	read-only
OCT h320McuTerminalPhoneNumber	0.0.8.341.1.2.3.3.1.1.10	OCTET STRING	read-only	The phone number for this terminal.
OCT h320McuTerminalMCUPhoneNumber	0.0.8.341.1.2.3.3.1.1.11	OCTET STRING	read-only	The MCU phone number.
h320McuTerminalStatsTable	0.0.8.341.1.2.3.3.2		not-accessible	This table contains information about entities that are connected to the MCU. It is a list of connected terminals. The number of entries equals to the number of terminals.
h320McuTerminalStatsTableEntry	0.0.8.341.1.2.3.3.2.1		not-accessible	It contains objects that describe a terminal.
I32 h320McuTerminalStatsTerminalId	0.0.8.341.1.2.3.3.2.1.1	Integer32	read-only	The terminal id number assigned during terminal registration.
OID h320McuTerminalStatsConfId	0.0.8.341.1.2.3.3.2.1.2	MmGlobalIdentifier	read-only	The conference id for this terminal.
OCT h320McuTerminalStatsConfName	0.0.8.341.1.2.3.3.2.1.3	OCTET STRING	read-only	The conference name for this terminal.
I32 h320McuTerminalStatsRxMultiframes	0.0.8.341.1.2.3.3.2.1.4	Integer32	read-only	The number of received multiframes.
I32 h320McuTerminalStatsFALossAtTerminal	0.0.8.341.1.2.3.3.2.1.5	Integer32	read-only	The number of H.221 frame alignment loss errors.
C32 h320McuTerminalStatsMCUCrcErrorsEx	0.0.8.341.1.2.3.3.2.1.6	Counter32	read-only	The number of MCU CRC errors.
C32 h320McuTerminalStatsTerminalCrcErrors	0.0.8.341.1.2.3.3.2.1.7	Counter32	read-only	The number of terminal CRC errors.
C32 h320McuTerminalStatsStatsRequests	0.0.8.341.1.2.3.3.2.1.8	Counter32	read-only	The number of stats requests.
h320McuControls	0.0.8.341.1.2.3.4
INT h320McuControlsCommands	0.0.8.341.1.2.3.4.1	INTEGER	read-write	A value that represents a command for the H.320 MCU. 1. Other (for proprietary extensions) 2. Abrupt Restart (Drastic Restart) 3. Graceful Restart (Restart after all calls have terminated. Meanwhile, accept no calls) 4. Abrupt Shutdown (Drastic Restart) 5. Graceful Shutdown (Shutdown after all calls have terminated. Meanwhile, accept no calls) 6. Enter Quiescence Mode (Disable receiving of calls) 7. Exit Quiescence Mode (Enable receiving of calls) 8. Start Error/Log Reporting 9. Stop Error/Log Reporting 10. Reset Statistics 11. Run Diagnostic
h320McuMIBConformance	0.0.8.341.1.2.3.5
h320McuMIBGroups	0.0.8.341.1.2.3.5.1
h320McuSystemGroup	0.0.8.341.1.2.3.5.1.1			.
h320McuConferenceGroup	0.0.8.341.1.2.3.5.1.2			.
h320McuTerminalGroup	0.0.8.341.1.2.3.5.1.3			.
h320McuControlsGroup	0.0.8.341.1.2.3.5.1.4			.
h320McuMIBCompliance	0.0.8.341.1.2.3.5.2			The set of objects required for compliance.

RFC description

H.320 Multipoint Control Unit management for videoconferencing devices including conferences, terminals, and call control settings.

Start monitoring Vendor-neutral ITU-T H.320 videoconferencing MCU, any manufacturer 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 H320MCU-MIB

What Is H320MCU-MIB?

Supported Devices

Monitoring Examples

This MIB depends on

Related MIBs

How to Use in IPNetwork Monitor

RFC description