H3C-VOICE-IF-MIB

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Organization: Hangzhou H3C Technologies Co., Ltd.

Last Updated: 2007-12-10

Category: Domain: VoIP/Telephony, Vendor: H3C/HH3C

Description: Covers configuration of analog and digital telephony ports on H3C gateway equipment through voice interface management.

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What Is H3C-VOICE-IF-MIB?

H3C-VOICE-IF-MIB is an H3C vendor MIB for configuring analog and digital voice interfaces on H3C's voice gateway and router equipment. It defines a per-interface configuration table covering comfort-noise generation, non-linear processing, gain levels, echo cancellation settings and delay, and dialing timers, i.e., the signal-processing and telephony parameters of each voice port. Monitoring-wise this MIB is largely configuration-state: administrators read it to confirm a voice interface's echo cancellation, gain, and dial-timer settings are correctly applied, which affects call quality and dialing behavior on that port, though it does not expose classic hardware health counters like temperature or power supply status. It relies on the underlying interface (ifIndex/IF-MIB) framework to identify which physical port each h3cVoiceIfConfigEntry corresponds to. It is typically deployed on H3C voice gateways/routers carrying analog (FXS/FXO) or digital telephony trunks in enterprise voice/PBX-interconnect deployments. Network engineers evaluating or troubleshooting this functionality can download the H3C-VOICE-IF-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in H3C-VOICE-IF-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

H3C voice gateway/router with analog or digital telephony interfaces

Monitoring Examples

An administrator would poll h3cVoiceIfConfigTable / h3cVoiceIfConfigEntry for a given voice port to check h3cVoiceIfCfgEchoCancelSwitch and h3cVoiceIfCfgEchoCancelDelay when troubleshooting echo complaints on a call, and h3cVoiceIfCfgInputGain / h3cVoiceIfCfgOutputGain when investigating volume issues. h3cVoiceIfCfgCngOn shows whether comfort noise generation is enabled, affecting perceived call quality during silence. h3cVoiceIfCfgTimerDialInterval and h3cVoiceIfCfgTimerFirstDial would be checked if users report dial-timeout problems on that port.

What Can Be Monitored

echo cancellation enable/delay
input/output gain levels
comfort noise generation status
dial timer intervals
non-linear processing switch
private line configuration

Imported Objects

From HUAWEI-3COM-OID-MIB

h3cVoice

OBJECT-IDENTITY

From IF-MIB

ifIndex

OBJECT-TYPE

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

DisplayString

OIDs

OID symbolic	OID numeric	Type	Access	Description
h3cVoiceInterface	1.3.6.1.4.1.2011.10.2.39.13			This MIB file is to provide the definition of the voice interface general configuration.
h3cVoiceIfObjects	1.3.6.1.4.1.2011.10.2.39.13.1
h3cVoiceIfConfigTable	1.3.6.1.4.1.2011.10.2.39.13.1.1		not-accessible	The table contains configurable parameters for both analog voice interface and digital voice interface.
h3cVoiceIfConfigEntry	1.3.6.1.4.1.2011.10.2.39.13.1.1.1		not-accessible	The entry of voice interface table.
INT h3cVoiceIfCfgCngOn	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.1	INTEGER	read-write	This object indicates whether the silence gaps should be filled with background noise. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 voice subscriber line.
INT h3cVoiceIfCfgNonLinearSwitch	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.2	INTEGER	read-write	This object expresses the nonlinear processing is enable or disable for the voice interface. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 voice subscriber line. Currently, only digital voice subscriber lines can be set disabled.
I32 h3cVoiceIfCfgInputGain	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.3	Integer32	read-write	This object indicates the amount of gain added to the receiver side of the voice interface. Unit is 0.1 db. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 voice subscriber line.
I32 h3cVoiceIfCfgOutputGain	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.4	Integer32	read-write	This object indicates the amount of gain added to the send side of the voice interface. Unit is 0.1 db. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 voice subscriber line.
INT h3cVoiceIfCfgEchoCancelSwitch	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.5	INTEGER	read-write	This object indicates whether the echo cancellation is enabled. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 voice subscriber line.
I32 h3cVoiceIfCfgEchoCancelDelay	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.6	Integer32	read-write	This object indicates the delay of the echo cancellation for the voice interface. This value couldn't be modified unless h3cVoiceIfCfgEchoCancelSwitch is enable. Unit is milliseconds. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 voice subscriber line. The default value of this object is 32.
I32 h3cVoiceIfCfgTimerDialInterval	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.7	Integer32	read-write	The interval, in seconds, between two dialing numbers. The default value of this object is 10 seconds. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 with loop-start or ground-start protocol voice subscriber line.
I32 h3cVoiceIfCfgTimerFirstDial	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.8	Integer32	read-write	The period of time, in seconds, before dialing the first number. The default value of this object is 10 seconds. It is applicable to FXO, FXS subscriber lines and E1/T1 with loop-start or ground-start protocol voice subscriber line.
STR h3cVoiceIfCfgPrivateline	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.9	DisplayString	read-write	This object indicates the E.164 phone number for plar mode. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 voice subscriber line.
OCT h3cVoiceIfCfgRegTone	1.3.6.1.4.1.2011.10.2.39.13.1.1.1.10	OCTET STRING	read-write	This object uses 2 or 3 letter country code specify voice parameters of different countrys. This value will take effect on all voice interfaces of all cards on the device.

RFC description

H3C MIB for voice interface configuration managing analog and digital telephony ports on H3C gateway equipment.

Start monitoring H3C voice gateway/router with analog or digital telephony interfaces 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 H3C-VOICE-IF-MIB

What Is H3C-VOICE-IF-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description