CTRON-ISDN-CONFIGURATION-MIB :: isdnDchChInUse

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › CTRON-ISDN-CONFIGURATION-MIB › isdnDchChInUse

isdnDchChInUse

Module: CTRON-ISDN-CONFIGURATION-MIB

OID (symbolic): CTRON-ISDN-CONFIGURATION-MIB::isdnDchChInUse

OID (numeric): 1.3.6.1.4.1.52.4.1.2.7.4.1.1.1.4

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: A bit string with bit 1 signifying time slot 1. A set bit means that a B channel has been allocated on that time slot. A reset bit means the channel is available, reserved, or otherwise out of service.

What is isdnDchChInUse?

A 32-bit mask, aligned with isdnDchAllowedCh, where each set bit marks a B-channel time slot that currently has a call allocated on it, giving an admin a live view of which channels on this ISDN line are busy right now.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.52.4.1.2.7.4.1.1.1.4
snmpwalk -v2c -c public <target> CTRON-ISDN-CONFIGURATION-MIB::isdnDchChInUse

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.52.4.1.2.7.4.1.1.1.4.1
snmpget -v2c -c public <target> CTRON-ISDN-CONFIGURATION-MIB::isdnDchChInUse.1

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OID Breakdown

Upper-level ancestors (8 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
1.3.6.1.4.1.52cabletronCabletron-MIB
1.3.6.1.4.1.52.4mibsCT-PRIORITY-QUEUING
Numeric OIDNameModule
1.3.6.1.4.1.52.4.1ctronCTRON-ISDN-CONFIGURATION-MIB
1.3.6.1.4.1.52.4.1.2ctDataLinkCTRON-ISDN-CONFIGURATION-MIB
1.3.6.1.4.1.52.4.1.2.7ctronWanCTRON-ISDN-CONFIGURATION-MIB
1.3.6.1.4.1.52.4.1.2.7.4ctISDNconfigMibCTRON-ISDN-CONFIGURATION-MIB
1.3.6.1.4.1.52.4.1.2.7.4.1ctISDNcontrolCTRON-ISDN-CONFIGURATION-MIB
1.3.6.1.4.1.52.4.1.2.7.4.1.1isdnDchTableCTRON-ISDN-CONFIGURATION-MIB
1.3.6.1.4.1.52.4.1.2.7.4.1.1.1isdnDchEntryCTRON-ISDN-CONFIGURATION-MIB
1.3.6.1.4.1.52.4.1.2.7.4.1.1.1.4isdnDchChInUseCTRON-ISDN-CONFIGURATION-MIB