ISDN-OPT-MIB

MIB Reference — IPNetwork Monitor · Updated September 09, 2026

All MIBsISDN-OPT-MIB

Category: Domain: Telco/Transport

Description: ISDN options MIB providing SNMP objects for extended ISDN interface configuration including bearer service and signaling parameters.

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What Is ISDN-OPT-MIB?

ISDN-OPT-MIB is an ISDN options MIB providing extended SNMP configuration objects for ISDN interfaces beyond the base standard, covering bearer service selection and signaling parameters used to set up ISDN calls. With no module description or sample objects available, its scope must be inferred from its short description as a configuration-focused extension to ISDN interface management rather than a broad performance/fault MIB. Its likely monitoring role is toward the software/protocol-configuration status of ISDN B/D-channel signaling setup on a device, rather than hardware sensors, letting an operator confirm bearer-service and signaling parameters are set correctly for successful call setup. It would be used alongside the standard IETF ISDN MIB (RFC 2127) that it extends with vendor/implementation-specific options. It's deployed in legacy telecom or enterprise router environments still using ISDN for backup WAN links or voice/data circuit-switched connectivity. Network engineers evaluating or troubleshooting this functionality can download the ISDN-OPT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ISDN-OPT-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

  • routers/gateways with ISDN interfaces (legacy WAN or voice circuit-switched links)

Monitoring Examples

No sample_objects were provided for this module, so a concrete object-level example cannot be given without inventing plausible-sounding names; broadly, an operator would use this MIB to verify ISDN bearer-service type and signaling-parameter configuration on a router's ISDN interface to diagnose why calls are failing to establish or negotiating the wrong service type.

What Can Be Monitored

  • ISDN bearer service configuration
  • ISDN signaling parameters
Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

enterprises
OIDs

RFC description

Configures and monitors ISDN channel parameters on Codex CDX6500 devices including link management and call handling.

Start monitoring Codex/Motorola cdx6500 router/gateway with ISDN 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 ISDN-OPT-MIB