AcPerfH323SIPGateway

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Organization: AudioCodes Ltd

Last Updated: 2005-11-03

Category: Telephony and VoIP, Vendor: AudioCodes

Description: Monitors H.323 and SIP gateway call performance counters on AudioCodes devices including call attempts, completions, and quality metrics.

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What Is AcPerfH323SIPGateway?

AcPerfH323SIPGateway is an AudioCodes enterprise module that provides performance management data for H.323 and SIP voice gateway functions, organized into sub-trees for IVR, Blind Call Transfer (BCT), conferencing, and Test Trunk services. Its data consists of call-performance counters covering call attempts, completions, and related quality/usage metrics for each of these voice services. This is a performance-monitoring MIB focused on the gateway's software/service-level status rather than raw hardware health -- an admin uses it to confirm the IVR, transfer, conferencing, and test-trunk features are processing calls successfully, with abnormal drops in completion counts or spikes in failures per sub-tree indicating a specific voice-service malfunction rather than a general device outage. It is a vendor-specific AudioCodes module, typically deployed alongside standard VoIP/telephony MIBs and the device's general system-health MIBs for a full picture. It is used on AudioCodes media/voice gateways in enterprise unified-communications and SIP trunking deployments. Engineers can download the AcPerfH323SIPGateway file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in AcPerfH323SIPGateway. 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

AudioCodes voice/media gateways

Monitoring Examples

No sample object names were provided, but based on the module description an admin would poll counters under the acPerfIvr, acPerfBct, acPerfConf, and acPerfTt sub-trees to track call attempts versus completions for each voice service. A sustained drop in the acPerfConf completion ratio, for example, would point to a conferencing-bridge software problem on the gateway even while basic calls continue to work fine. These counters would typically be graphed over time to catch service-specific degradation before it generates support tickets.

What Can Be Monitored

IVR service call attempts/completions
blind call transfer (BCT) performance
conferencing service performance
test trunk service performance

Imported Objects

From SNMPv2-SMI

Counter32
MODULE-IDENTITY
OBJECT-TYPE
enterprises

How to Use in IPNetwork Monitor

Example using acPerfTel2IPAttemptedCalls OID:

Select an AudioCodes media/VoIP gateway 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 acPerfTel2IPAttemptedCalls into the Find box to locate it in the OID tree, then select it and click OK. It reports the number of Attempted SIP/H323 calls. 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 sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
audioCodes	1.3.6.1.4.1.5003
acRegistrations	1.3.6.1.4.1.5003.7
acGeneric	1.3.6.1.4.1.5003.8
acProducts	1.3.6.1.4.1.5003.9
acPerformance	1.3.6.1.4.1.5003.10
acPerfH323SIPGateway	1.3.6.1.4.1.5003.10.3			This MIB defines the enterprise-specific objects needed to support performance management of the AudioCodes product. Performance measurements are grouped into the following MIB trees: acPerfIvr - performance measurements related to the IVR service acPerfBct - performance measurements related to the BCT service acPerfConf - performance measurements related to the Conferencing service acPerfTt - performance measurements related to the Test Trunk service
acPerfH323SIPGWCommon	1.3.6.1.4.1.5003.10.3.1
acPerfH323SIPGWCalls	1.3.6.1.4.1.5003.10.3.1.1
acPerfTel2IP	1.3.6.1.4.1.5003.10.3.1.1.1
C32 acPerfTel2IPAttemptedCallsEx	1.3.6.1.4.1.5003.10.3.1.1.1.1	Counter32	read-only	Number of Attempted SIP/H323 calls.
C32 acPerfTel2IPEstablishedCalls	1.3.6.1.4.1.5003.10.3.1.1.1.2	Counter32	read-only	Number of established (connected and voice activated) SIP/H323 calls.
C32 acPerfTel2IPBusyCalls	1.3.6.1.4.1.5003.10.3.1.1.1.3	Counter32	read-only	Number of Destination Busy SIP/H323 calls.
C32 acPerfTel2IPNoAnswerCalls	1.3.6.1.4.1.5003.10.3.1.1.1.4	Counter32	read-only	Number of No Answer SIP/H323 calls.
C32 acPerfTel2IPNoRouteCalls	1.3.6.1.4.1.5003.10.3.1.1.1.5	Counter32	read-only	Number of No Route SIP/H323 calls. Most likely to be due to wrong number.
C32 acPerfTel2IPNoMatchCalls	1.3.6.1.4.1.5003.10.3.1.1.1.6	Counter32	read-only	Number of No capability match between peers on SIP/H323 calls.
C32 acPerfTel2IPFailCalls	1.3.6.1.4.1.5003.10.3.1.1.1.7	Counter32	read-only	Number of fax attempted SIP/H323 calls.
C32 acPerfTel2IPFaxAttemptedCalls	1.3.6.1.4.1.5003.10.3.1.1.1.8	Counter32	read-only	Number of Attempted SIP/H323 calls.
C32 acPerfTel2IPFaxSuccessCalls	1.3.6.1.4.1.5003.10.3.1.1.1.9	Counter32	read-only	Number of Attempted SIP/H323 fax success calls.
C32 acPerfTel2IPTotalDuration	1.3.6.1.4.1.5003.10.3.1.1.1.10	Counter32	read-only	total duration of SIP/H323 calls.
acPerfIP2Tel	1.3.6.1.4.1.5003.10.3.1.1.2
C32 acPerfIP2TelAttemptedCalls	1.3.6.1.4.1.5003.10.3.1.1.2.1	Counter32	read-only	Number of Attempted SIP/H323 calls.
C32 acPerfIP2TelEstablishedCalls	1.3.6.1.4.1.5003.10.3.1.1.2.2	Counter32	read-only	Number of established (connected and voice activated) SIP/H323 calls.
C32 acPerfIP2TelBusyCalls	1.3.6.1.4.1.5003.10.3.1.1.2.3	Counter32	read-only	Number of Destination Busy SIP/H323 calls.
C32 acPerfIP2TelNoAnswerCalls	1.3.6.1.4.1.5003.10.3.1.1.2.4	Counter32	read-only	Number of No Answer SIP/H323 calls.
C32 acPerfIP2TelNoRouteCalls	1.3.6.1.4.1.5003.10.3.1.1.2.5	Counter32	read-only	Number of No Route SIP/H323 calls. Most likely to be due to wrong number.
C32 acPerfIP2TelNoMatchCalls	1.3.6.1.4.1.5003.10.3.1.1.2.6	Counter32	read-only	Number of No capability match between peers on SIP/H323 calls.
C32 acPerfIP2TelFailCalls	1.3.6.1.4.1.5003.10.3.1.1.2.7	Counter32	read-only	Number of fax attempted SIP/H323 calls.
C32 acPerfIP2TelFaxAttemptedCalls	1.3.6.1.4.1.5003.10.3.1.1.2.8	Counter32	read-only	Number of Attempted SIP/H323 calls.
C32 acPerfIP2TelFaxSuccessCalls	1.3.6.1.4.1.5003.10.3.1.1.2.9	Counter32	read-only	Number of Attempted SIP/H323 fax success calls.
C32 acPerfIP2TelTotalDuration	1.3.6.1.4.1.5003.10.3.1.1.2.10	Counter32	read-only	total duration of SIP/H323 calls.

RFC description

Acceris vendor-private MIB for performance monitoring of H.323 and SIP gateway devices in VoIP telecommunications networks.

Start monitoring AudioCodes media/VoIP gateways 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.

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