AC-BOARD-MIB :: acChDefaultDTMFTransportType

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsAC-BOARD-MIBacChDefaultDTMFTransportType

acChDefaultDTMFTransportType

Module: AC-BOARD-MIB

OID (symbolic): AC-BOARD-MIB::acChDefaultDTMFTransportType

OID (numeric): 1.3.6.1.4.1.5003.9.10.1.1.6.21

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-write

Description: 0 = Mute = erases digit from voice stream does not relay to remote. 2 = Transparent = digits remains in voice stream. 3 = RFC 2833 relay = erase digit from voice stream relay to remote using RFC 2833 syntax. The other values as seen in the Value List (1 and 7) are not supported as of version 4.4.

What is acChDefaultDTMFTransportType?

This OID selects how DTMF digits are handled: muted (0), transparent (2), or RFC 2833 relayed (3). Value 3 is standard for VoIP, encoding digits as special RTP packets instead of audio tones. This prevents misdetection by voice processing.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.5003.9.10.1.1.6.21
snmpwalk -v2c -c public <target> AC-BOARD-MIB::acChDefaultDTMFTransportType

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.5003.9.10.1.1.6.21.1
snmpget -v2c -c public <target> AC-BOARD-MIB::acChDefaultDTMFTransportType.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.5003.9.10.1.1.6.21.1 i <value>

Start monitoring AudioCodes Mediant-series gateway boards with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the AC-BOARD-MIB::acChDefaultDTMFTransportType OID value, configure state conditions and alerts, and monitor any AudioCodes Mediant-series gateway boards from a single console.

OID Breakdown

Upper-level ancestors (9 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.5003audioCodesAC-ATM-MIB
1.3.6.1.4.1.5003.9acProductsAC-ATM-MIB
1.3.6.1.4.1.5003.9.10acBoardMibsAC-ATM-MIB
Numeric OIDNameModule
1.3.6.1.4.1.5003.9.10.1acBoardAC-BOARD-MIB
1.3.6.1.4.1.5003.9.10.1.1boardConfigurationAC-BOARD-MIB
1.3.6.1.4.1.5003.9.10.1.1.6acDefaultChannelSettingsAC-BOARD-MIB
1.3.6.1.4.1.5003.9.10.1.1.6.21acChDefaultDTMFTransportTypeAC-BOARD-MIB