Nortel-MsCarrier-MscPassport-DataIsdnMIB

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Category: ISDN, Nortel MsCarrier MscPassport

Description: Defines SNMP objects for data-over-ISDN interface configuration and call statistics on Nortel MsCarrier MscPassport switches.

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What Is Nortel-MsCarrier-MscPassport-DataIsdnMIB?

Nortel-MsCarrier-MscPassport-DataIsdnMIB is a vendor-specific Nortel MIB for the MSCarrier Passport switching platform, focused on managing data-over-ISDN signaling channels and call configuration. It exposes provisioning and status data including row-status controlled signaling channel tables, per-channel component naming and storage type, and call identifier (CID) data tables tied to signaling channel indices. Its monitoring role centers on configuration and operational status of signaling channels: dsigChanRowStatus reflects whether a signaling channel entry is active, provisioned, or being modified, effectively indicating the operational readiness of that ISDN data path, while the CID data table supports tracking of call-level identification information for active or historical calls. Loading Nortel-MsCarrier-MscPassport-DataIsdnMIB in a MIB Browser exposes these signaling-channel, provisioning, and CID tables for inspection alongside the shared Passport component-naming conventions. It is a component-specific module within the broader Nortel MscPassport MIB family, implying dependency on shared Passport platform conventions for component naming and row-status conventions used elsewhere in that vendor's MIB suite. It is deployed on Nortel Passport multiservice switching platforms providing ISDN data services within carrier or enterprise WAN environments.

IPNetwork Monitor allows you to monitor SNMP objects defined in Nortel-MsCarrier-MscPassport-DataIsdnMIB. 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

Nortel MscPassport multiservice switching platform

Monitoring Examples

An administrator would inspect mscDataSigChanRowStatusTable/mscDataSigChanRowStatusEntry, using mscDataSigChanIndex and mscDataSigChanRowStatus to confirm whether a given signaling channel is in the active state, and check mscDataSigChanComponentName for the platform's internal component identifier. The mscDataSigChanProvTable/mscDataSigChanProvEntry with mscDataSigChanCommentText allows administrators to see provisioning notes attached to a channel, while mscDataSigChanCidDataTable/mscDataSigChanCidDataEntry would be queried to correlate call identifier data for troubleshooting a specific ISDN data call. A signaling channel stuck in a non-active row status would indicate a provisioning failure preventing that ISDN path from carrying data traffic.

What Can Be Monitored

signaling channel row status
channel provisioning state
component naming/storage type
call identifier (CID) data

Imported Objects

From Nortel-MsCarrier-MscPassport-StandardTextualConventionsMIB

DisplayString
Integer32
InterfaceIndex
RowStatus
StorageType
Unsigned32

From Nortel-MsCarrier-MscPassport-TextualConventionsMIB

AsciiString
DigitString
NonReplicated

From Nortel-MsCarrier-MscPassport-UsefulDefinitionsMIB

mscComponents	OBJECT-IDENTITY
mscPassportMIBs	OBJECT-IDENTITY

From RFC-1212

OBJECT-TYPE

OIDs

OID symbolic	OID numeric	Type	Access	Description
dataIsdnCapabilities	1.3.6.1.4.1.562.36.2.2.113.3
dataIsdnCapabilitiesCA	1.3.6.1.4.1.562.36.2.2.113.3.1
dataIsdnCapabilitiesCA02	1.3.6.1.4.1.562.36.2.2.113.3.1.3
dataIsdnCapabilitiesCA02A	1.3.6.1.4.1.562.36.2.2.113.3.1.3.2
dataIsdnGroup	1.3.6.1.4.1.562.36.2.2.113.1
dataIsdnGroupCA	1.3.6.1.4.1.562.36.2.2.113.1.1
dataIsdnGroupCA02	1.3.6.1.4.1.562.36.2.2.113.1.1.3
dataIsdnGroupCA02A	1.3.6.1.4.1.562.36.2.2.113.1.1.3.2
dataIsdnMIB	1.3.6.1.4.1.562.36.2.2.113
mscDataSigChan	1.3.6.1.4.1.562.36.2.1.120
INT mscDataSigChanAdminState	1.3.6.1.4.1.562.36.2.1.120.103.1.1	INTEGER	read-only	This attribute indicates the OSI Administrative State of the component. The value locked indicates that the component is administratively prohibited from providing services for its users. A Lock or Lock - force command has been previously issued for this component. When the value is locked, the value of usageState must be idle. The value shuttingDown indicates that the component is administratively permitted to provide service to its existing users only. A Lock command was issued against the component and it is in the process of shutting down. The value unlocked indicates that the component is administratively permitted to provide services for its users. To enter this state, issue an Unlock command to this component.
mscDataSigChanCc	1.3.6.1.4.1.562.36.2.1.120.2
mscDataSigChanCcBch	1.3.6.1.4.1.562.36.2.1.120.2.4
mscDataSigChanCcBchBchanOpDataEntry	1.3.6.1.4.1.562.36.2.1.120.2.4.2.1		not-accessible	An entry in the mscDataSigChanCcBchBchanOpDataTable.
mscDataSigChanCcBchBchanOpDataTable	1.3.6.1.4.1.562.36.2.1.120.2.4.2		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This group contains the operational data of a B-Channel.
STR mscDataSigChanCcBchCallingPartyNumber	1.3.6.1.4.1.562.36.2.1.120.2.4.2.1.2	DigitString	read-only	This attribute indicates the calling party number of the last valid call request for this channel.
STR mscDataSigChanCcBchComponentName	1.3.6.1.4.1.562.36.2.1.120.2.4.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
I32 mscDataSigChanCcBchIndex	1.3.6.1.4.1.562.36.2.1.120.2.4.1.1.10	Integer32	not-accessible	This variable represents the index for the mscDataSigChanCcBch tables.
INT mscDataSigChanCcBchLastQ931ClearCause	1.3.6.1.4.1.562.36.2.1.120.2.4.2.1.3	INTEGER	read-only	The clear cause of the last call on this B-channel.
ROW mscDataSigChanCcBchRowStatus	1.3.6.1.4.1.562.36.2.1.120.2.4.1.1.1	RowStatus	read-only	This variable is used as the basis for SNMP naming of mscDataSigChanCcBch components. These components cannot be added nor deleted.
mscDataSigChanCcBchRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.2.4.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanCcBch component.
mscDataSigChanCcBchRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.2.4.1		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This entry controls the addition and deletion of mscDataSigChanCcBch components.
STR mscDataSigChanCcBchRunningApplication	1.3.6.1.4.1.562.36.2.1.120.2.4.2.1.4	AsciiString	read-only	The name of the application running on this B-channel.
INT mscDataSigChanCcBchState	1.3.6.1.4.1.562.36.2.1.120.2.4.2.1.1	INTEGER	read-only	This attribute indicates the state of the B-channel. A B-channel is in idle state when it is available for a call. The busy state indicate that the B-channel is presently in use. The disabled state means that the access service is not enabled because it is locked or the port is down. The state noProtocolProvisioned means that the call control did not yet received the registration for this B-channel.
STO mscDataSigChanCcBchStorageType	1.3.6.1.4.1.562.36.2.1.120.2.4.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanCcBch tables.
mscDataSigChanCcCg	1.3.6.1.4.1.562.36.2.1.120.2.2
mscDataSigChanCcCgBch	1.3.6.1.4.1.562.36.2.1.120.2.2.3
mscDataSigChanCcCgBchBchanOpDataEntry	1.3.6.1.4.1.562.36.2.1.120.2.2.3.2.1		not-accessible	An entry in the mscDataSigChanCcCgBchBchanOpDataTable.
mscDataSigChanCcCgBchBchanOpDataTable	1.3.6.1.4.1.562.36.2.1.120.2.2.3.2		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This group contains the operational data of a B-Channel.
STR mscDataSigChanCcCgBchCallingPartyNumber	1.3.6.1.4.1.562.36.2.1.120.2.2.3.2.1.2	DigitString	read-only	This attribute indicates the calling party number of the last valid call request for this channel.
STR mscDataSigChanCcCgBchComponentName	1.3.6.1.4.1.562.36.2.1.120.2.2.3.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
I32 mscDataSigChanCcCgBchIndex	1.3.6.1.4.1.562.36.2.1.120.2.2.3.1.1.10	Integer32	not-accessible	This variable represents the index for the mscDataSigChanCcCgBch tables.
INT mscDataSigChanCcCgBchLastQ931ClearCause	1.3.6.1.4.1.562.36.2.1.120.2.2.3.2.1.3	INTEGER	read-only	The clear cause of the last call on this B-channel.
ROW mscDataSigChanCcCgBchRowStatus	1.3.6.1.4.1.562.36.2.1.120.2.2.3.1.1.1	RowStatus	read-only	This variable is used as the basis for SNMP naming of mscDataSigChanCcCgBch components. These components cannot be added nor deleted.
mscDataSigChanCcCgBchRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.2.2.3.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanCcCgBch component.
mscDataSigChanCcCgBchRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.2.2.3.1		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This entry controls the addition and deletion of mscDataSigChanCcCgBch components.
STR mscDataSigChanCcCgBchRunningApplication	1.3.6.1.4.1.562.36.2.1.120.2.2.3.2.1.4	AsciiString	read-only	The name of the application running on this B-channel.
INT mscDataSigChanCcCgBchState	1.3.6.1.4.1.562.36.2.1.120.2.2.3.2.1.1	INTEGER	read-only	This attribute indicates the state of the B-channel. A B-channel is in idle state when it is available for a call. The busy state indicate that the B-channel is presently in use. The disabled state means that the access service is not enabled because it is locked or the port is down. The state noProtocolProvisioned means that the call control did not yet received the registration for this B-channel.
STO mscDataSigChanCcCgBchStorageType	1.3.6.1.4.1.562.36.2.1.120.2.2.3.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanCcCgBch tables.
INT mscDataSigChanCcCgBusyChannelCount	1.3.6.1.4.1.562.36.2.1.120.2.2.12.1.5	INTEGER	read-only	This attribute shows the number of B-Channels in this channel group that are in busy state.
mscDataSigChanCcCgCgpn	1.3.6.1.4.1.562.36.2.1.120.2.2.2
STR mscDataSigChanCcCgCgpnComponentName	1.3.6.1.4.1.562.36.2.1.120.2.2.2.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
STR mscDataSigChanCcCgCgpnIndex	1.3.6.1.4.1.562.36.2.1.120.2.2.2.1.1.10	DigitString	not-accessible	This variable represents the index for the mscDataSigChanCcCgCgpn tables.
ROW mscDataSigChanCcCgCgpnRowStatus	1.3.6.1.4.1.562.36.2.1.120.2.2.2.1.1.1	RowStatus	read-write	This variable is used as the basis for SNMP naming of mscDataSigChanCcCgCgpn components. These components can be added and deleted.
mscDataSigChanCcCgCgpnRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.2.2.2.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanCcCgCgpn component.
mscDataSigChanCcCgCgpnRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.2.2.2.1		not-accessible	This entry controls the addition and deletion of mscDataSigChanCcCgCgpn components.
STO mscDataSigChanCcCgCgpnStorageType	1.3.6.1.4.1.562.36.2.1.120.2.2.2.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanCcCgCgpn tables.
INT mscDataSigChanCcCgChannelAssignmentOrder	1.3.6.1.4.1.562.36.2.1.120.2.2.11.1.3	INTEGER	read-write	This attribute defines the order (ascending or descending) in which the B-Channels are allocated. This attribute is used only when it is not signalled in the call setup message.
OCT mscDataSigChanCcCgChannelList	1.3.6.1.4.1.562.36.2.1.120.2.2.11.1.4	OCTET STRING	read-write	This attribute contains the list of B-Channel numbers forming the channel group. At least one channel must be specified. Description of bits: notused0(0) n1(1) n2(2) n3(3) n4(4) n5(5) n6(6) n7(7) n8(8) n9(9) n10(10) n11(11) n12(12) n13(13) n14(14) n15(15) n16(16) n17(17) n18(18) n19(19) n20(20) n21(21) n22(22) n23(23) n24(24) n25(25) n26(26) n27(27) n28(28) n29(29) n30(30) n31(31)
mscDataSigChanCcCgCidDataEntry	1.3.6.1.4.1.562.36.2.1.120.2.2.10.1		not-accessible	An entry in the mscDataSigChanCcCgCidDataTable.
mscDataSigChanCcCgCidDataTable	1.3.6.1.4.1.562.36.2.1.120.2.2.10		not-accessible	This group contains the attribute for a component's Customer Identifier (CID). Refer to the attribute description for a detailed explanation of CIDs.
STR mscDataSigChanCcCgCommentText	1.3.6.1.4.1.562.36.2.1.120.2.2.11.1.1	AsciiString	read-write	This attribute specifies the name of the customer that is using this ChannelGroup. Typical use of this attribute is to store customer name.
STR mscDataSigChanCcCgComponentName	1.3.6.1.4.1.562.36.2.1.120.2.2.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
U32 mscDataSigChanCcCgCustomerIdentifier	1.3.6.1.4.1.562.36.2.1.120.2.2.10.1.1	Unsigned32	read-write	This attribute holds the Customer Identifier (CID). Every component has a CID. If a component has a cid attribute, the component's CID is the provisioned value of that attribute; otherwise the component inherits the CID of its parent. The top- level component has a CID of 0. Every operator session also has a CID, which is the CID provisioned for the operator's user ID. An operator will see only the stream data for components having a matching CID. Also, the operator will be allowed to issue commands for only those components which have a matching CID. An operator CID of 0 is used to identify the Network Manager (referred to as 'NetMan' in DPN). This CID matches the CID of any component. Values 1 to 8191 inclusive (equivalent to 'basic CIDs' in DPN) may be assigned to specific customers.
INT mscDataSigChanCcCgIdleChannelCount	1.3.6.1.4.1.562.36.2.1.120.2.2.12.1.4	INTEGER	read-only	This attribute shows the number of B-channels in the channel group that are in idle state.
I32 mscDataSigChanCcCgIndex	1.3.6.1.4.1.562.36.2.1.120.2.2.1.1.10	Integer32	not-accessible	This variable represents the index for the mscDataSigChanCcCg tables.
mscDataSigChanCcCgProvEntry	1.3.6.1.4.1.562.36.2.1.120.2.2.11.1		not-accessible	An entry in the mscDataSigChanCcCgProvTable.
mscDataSigChanCcCgProvTable	1.3.6.1.4.1.562.36.2.1.120.2.2.11		not-accessible	This group defines the call admission parameters applied to the group of B-Channels.
U32 mscDataSigChanCcCgRejectedNoChanAvail	1.3.6.1.4.1.562.36.2.1.120.2.2.12.1.3	Unsigned32	read-only	This attribute counts the number of rejected call because no channel were available under the selected channel group. This counter wraps to zero after reaching its maximum value. DESCRIPTION
ROW mscDataSigChanCcCgRowStatus	1.3.6.1.4.1.562.36.2.1.120.2.2.1.1.1	RowStatus	read-write	This variable is used as the basis for SNMP naming of mscDataSigChanCcCg components. These components can be added and deleted.
mscDataSigChanCcCgRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.2.2.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanCcCg component.
mscDataSigChanCcCgRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.2.2.1		not-accessible	This entry controls the addition and deletion of mscDataSigChanCcCg components.
OCT mscDataSigChanCcCgScreeningIndicator	1.3.6.1.4.1.562.36.2.1.120.2.2.11.1.2	OCTET STRING	read-write	This attribute defines the acceptable set of screening modes. The screening mode is carried by the Calling Party Number information element (IE) of the B-Channel request packet. There are four types of mode: upns - User provided, not screened upvp - User provided, verified and passed upvf - User provided, verified and failed np - Network provided When a call is received with a screening indicator not provisioned in the list, the call is cleared. Description of bits: upns(0) upvp(1) upvf(2) np(3)
mscDataSigChanCcCgStatsEntry	1.3.6.1.4.1.562.36.2.1.120.2.2.12.1		not-accessible	An entry in the mscDataSigChanCcCgStatsTable.
mscDataSigChanCcCgStatsTable	1.3.6.1.4.1.562.36.2.1.120.2.2.12		not-accessible	This group contains the statistics for a ChannelGroup
STO mscDataSigChanCcCgStorageType	1.3.6.1.4.1.562.36.2.1.120.2.2.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanCcCg tables.
U32 mscDataSigChanCcCgSuccessfullInCalls	1.3.6.1.4.1.562.36.2.1.120.2.2.12.1.2	Unsigned32	read-only	This attribute counts the number of valid incoming calls for this channelGroup. This counter wraps to zero after reaching its maximum value. DESCRIPTION
U32 mscDataSigChanCcCgTotalInCalls	1.3.6.1.4.1.562.36.2.1.120.2.2.12.1.1	Unsigned32	read-only	This attribute counts the total number of incoming calls (with valid mandatory IE contents and received in a valid ISDN state) from the interface for this channelGroup. This counter wraps to zero after reaching its maximum value.
STR mscDataSigChanCcComponentName	1.3.6.1.4.1.562.36.2.1.120.2.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
U32 mscDataSigChanCcInChannelBusy	1.3.6.1.4.1.562.36.2.1.120.2.10.1.6	Unsigned32	read-only	This attribute counts the number of valid incoming calls rejected due to no available B-Channels. This counter wraps to zero after reaching its maximum value.
NON mscDataSigChanCcIndex	1.3.6.1.4.1.562.36.2.1.120.2.1.1.10	NonReplicated	not-accessible	This variable represents the index for the mscDataSigChanCc tables.
U32 mscDataSigChanCcInInvalidCapability	1.3.6.1.4.1.562.36.2.1.120.2.10.1.3	Unsigned32	read-only	This attribute counts the number of valid incoming calls rejected due to an unsupported service capability, such as Information Transfer Rate, Class of Service, Protocol Standard. This counter wraps to zero after reaching its maximum value.
U32 mscDataSigChanCcInInvalidCgpn	1.3.6.1.4.1.562.36.2.1.120.2.10.1.5	Unsigned32	read-only	This attribute counts the number of valid incoming calls rejected due to the calling party number not beeing provisioned in any channelGroup component of this call control. This counter wraps to zero after reaching its maximum value.
U32 mscDataSigChanCcInInvalidScreen	1.3.6.1.4.1.562.36.2.1.120.2.10.1.4	Unsigned32	read-only	This attribute counts the number of valid incoming calls rejected due to a screening indicator value not provisioned in the channel group's screeningIndicator attribute. This counter wraps to zero after reaching its maximum value.
INT mscDataSigChanCcLastClearCause	1.3.6.1.4.1.562.36.2.1.120.2.10.1.7	INTEGER	read-only	This attribute indicates the Q931 clear cause of the last valid call that is rejected or cleared.
STR mscDataSigChanCcLastClearedCallingPartyNumber	1.3.6.1.4.1.562.36.2.1.120.2.10.1.8	DigitString	read-only	This attribute shows the calling party number of the last valid call that is rejected or cleared.
ROW mscDataSigChanCcRowStatus	1.3.6.1.4.1.562.36.2.1.120.2.1.1.1	RowStatus	read-only	This variable is used as the basis for SNMP naming of mscDataSigChanCc components. These components cannot be added nor deleted.
mscDataSigChanCcRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.2.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanCc component.
mscDataSigChanCcRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.2.1		not-accessible	This entry controls the addition and deletion of mscDataSigChanCc components.
mscDataSigChanCcStatsEntry	1.3.6.1.4.1.562.36.2.1.120.2.10.1		not-accessible	An entry in the mscDataSigChanCcStatsTable.
mscDataSigChanCcStatsTable	1.3.6.1.4.1.562.36.2.1.120.2.10		not-accessible	This group contains the statistics of the CallControl
STO mscDataSigChanCcStorageType	1.3.6.1.4.1.562.36.2.1.120.2.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanCc tables.
U32 mscDataSigChanCcSuccessfullInCalls	1.3.6.1.4.1.562.36.2.1.120.2.10.1.2	Unsigned32	read-only	This attribute counts the total number of successfull valid incoming calls from the interface. Unsuccessful calls include those that have disallowed Capability (BC, LLC), screening indicator, or calling party number, and calls that are rejected due to requested channel busy. This counter wraps to zero after reaching its maximum value.
U32 mscDataSigChanCcTotalValidInCalls	1.3.6.1.4.1.562.36.2.1.120.2.10.1.1	Unsigned32	read-only	This attribute counts the total number of incoming calls (with valid mandatory IE contents and received in a valid ISDN state) from the interface. This counter wraps to zero after reaching its maximum value.
mscDataSigChanCcTr	1.3.6.1.4.1.562.36.2.1.120.2.3
STR mscDataSigChanCcTrComponentName	1.3.6.1.4.1.562.36.2.1.120.2.3.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
NON mscDataSigChanCcTrIndex	1.3.6.1.4.1.562.36.2.1.120.2.3.1.1.10	NonReplicated	not-accessible	This variable represents the index for the mscDataSigChanCcTr tables.
mscDataSigChanCcTrPri	1.3.6.1.4.1.562.36.2.1.120.2.3.2
mscDataSigChanCcTrPriBch	1.3.6.1.4.1.562.36.2.1.120.2.3.2.2
STR mscDataSigChanCcTrPriBchComponentName	1.3.6.1.4.1.562.36.2.1.120.2.3.2.2.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
I32 mscDataSigChanCcTrPriBchIndex	1.3.6.1.4.1.562.36.2.1.120.2.3.2.2.1.1.10	Integer32	not-accessible	This variable represents the index for the mscDataSigChanCcTrPriBch tables.
ROW mscDataSigChanCcTrPriBchRowStatus	1.3.6.1.4.1.562.36.2.1.120.2.3.2.2.1.1.1	RowStatus	read-only	This variable is used as the basis for SNMP naming of mscDataSigChanCcTrPriBch components. These components cannot be added nor deleted.
mscDataSigChanCcTrPriBchRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.2.3.2.2.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanCcTrPriBch component.
mscDataSigChanCcTrPriBchRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.2.3.2.2.1		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This entry controls the addition and deletion of mscDataSigChanCcTrPriBch components.
STO mscDataSigChanCcTrPriBchStorageType	1.3.6.1.4.1.562.36.2.1.120.2.3.2.2.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanCcTrPriBch tables.
STR mscDataSigChanCcTrPriComponentName	1.3.6.1.4.1.562.36.2.1.120.2.3.2.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
I32 mscDataSigChanCcTrPriIndex	1.3.6.1.4.1.562.36.2.1.120.2.3.2.1.1.10	Integer32	not-accessible	This variable represents the index for the mscDataSigChanCcTrPri tables.
ROW mscDataSigChanCcTrPriRowStatus	1.3.6.1.4.1.562.36.2.1.120.2.3.2.1.1.1	RowStatus	read-only	This variable is used as the basis for SNMP naming of mscDataSigChanCcTrPri components. These components cannot be added nor deleted.
mscDataSigChanCcTrPriRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.2.3.2.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanCcTrPri component.
mscDataSigChanCcTrPriRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.2.3.2.1		not-accessible	* THIS TABLE CURRENTLY NOT IMPLEMENTED * This entry controls the addition and deletion of mscDataSigChanCcTrPri components.
STO mscDataSigChanCcTrPriStorageType	1.3.6.1.4.1.562.36.2.1.120.2.3.2.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanCcTrPri tables.
ROW mscDataSigChanCcTrRowStatus	1.3.6.1.4.1.562.36.2.1.120.2.3.1.1.1	RowStatus	read-write	This variable is used as the basis for SNMP naming of mscDataSigChanCcTr components. These components can be added and deleted.
mscDataSigChanCcTrRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.2.3.1.1		not-accessible	A single entry in the table represents a single mscDataSigChanCcTr component.
mscDataSigChanCcTrRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.2.3.1		not-accessible	This entry controls the addition and deletion of mscDataSigChanCcTr components.
STO mscDataSigChanCcTrStorageType	1.3.6.1.4.1.562.36.2.1.120.2.3.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChanCcTr tables.
mscDataSigChanCidDataEntry	1.3.6.1.4.1.562.36.2.1.120.101.1		not-accessible	An entry in the mscDataSigChanCidDataTable.
mscDataSigChanCidDataTable	1.3.6.1.4.1.562.36.2.1.120.101		not-accessible	This group contains the attribute for a component's Customer Identifier (CID). Refer to the attribute description for a detailed explanation of CIDs.
STR mscDataSigChanCommentText	1.3.6.1.4.1.562.36.2.1.120.100.1.1	AsciiString	read-write	This attribute specifies the name of the customer that is using this DataSigChan. Typical use of this attribute is to store customer name.
STR mscDataSigChanComponentName	1.3.6.1.4.1.562.36.2.1.120.1.1.2	DisplayString	read-only	This variable provides the component's string name for use with the ASCII Console Interface
U32 mscDataSigChanCustomerIdentifier	1.3.6.1.4.1.562.36.2.1.120.101.1.1	Unsigned32	read-write	This attribute holds the Customer Identifier (CID). Every component has a CID. If a component has a cid attribute, the component's CID is the provisioned value of that attribute; otherwise the component inherits the CID of its parent. The top- level component has a CID of 0. Every operator session also has a CID, which is the CID provisioned for the operator's user ID. An operator will see only the stream data for components having a matching CID. Also, the operator will be allowed to issue commands for only those components which have a matching CID. An operator CID of 0 is used to identify the Network Manager (referred to as 'NetMan' in DPN). This CID matches the CID of any component. Values 1 to 8191 inclusive (equivalent to 'basic CIDs' in DPN) may be assigned to specific customers.
INT mscDataSigChanIfAdminStatus	1.3.6.1.4.1.562.36.2.1.120.102.1.1	INTEGER	read-write	The desired state of the interface. The up state indicates the interface is operational. The down state indicates the interface is not operational. The testing state indicates that no operational packets can be passed.
mscDataSigChanIfEntryEntry	1.3.6.1.4.1.562.36.2.1.120.102.1		not-accessible	An entry in the mscDataSigChanIfEntryTable.
mscDataSigChanIfEntryTable	1.3.6.1.4.1.562.36.2.1.120.102		not-accessible	This group contains the provisionable attributes for the ifEntry.
NUM mscDataSigChanIfIndex	1.3.6.1.4.1.562.36.2.1.120.102.1.2	InterfaceIndex	read-only	This is the index for the IfEntry. Its value is automatically initialized during the provisioning process.
I32 mscDataSigChanIndex	1.3.6.1.4.1.562.36.2.1.120.1.1.10	Integer32	not-accessible	This variable represents the index for the mscDataSigChan tables.
INT mscDataSigChanOperationalState	1.3.6.1.4.1.562.36.2.1.120.103.1.2	INTEGER	read-only	This attribute indicates the OSI Operational State of the component. The value enabled indicates that the component is available for operation. Note that if adminState is locked, it would still not be providing service. The value disabled indicates that the component is not available for operation. For example, something is wrong with the component itself, or with another component on which this one depends. If the value is disabled, the usageState must be idle.
mscDataSigChanOperStatusEntry	1.3.6.1.4.1.562.36.2.1.120.104.1		not-accessible	An entry in the mscDataSigChanOperStatusTable.
mscDataSigChanOperStatusTable	1.3.6.1.4.1.562.36.2.1.120.104		not-accessible	This group includes the Operational Status attribute. This attribute defines the current operational state of this component.
mscDataSigChanProvEntry	1.3.6.1.4.1.562.36.2.1.120.100.1		not-accessible	An entry in the mscDataSigChanProvTable.
mscDataSigChanProvTable	1.3.6.1.4.1.562.36.2.1.120.100		not-accessible	This group represents the provisionable attributes of a DataSigChan.
ROW mscDataSigChanRowStatus	1.3.6.1.4.1.562.36.2.1.120.1.1.1	RowStatus	read-write	This variable is used as the basis for SNMP naming of mscDataSigChan components. These components can be added and deleted.
mscDataSigChanRowStatusEntry	1.3.6.1.4.1.562.36.2.1.120.1.1		not-accessible	A single entry in the table represents a single mscDataSigChan component.
mscDataSigChanRowStatusTable	1.3.6.1.4.1.562.36.2.1.120.1		not-accessible	This entry controls the addition and deletion of mscDataSigChan components.
INT mscDataSigChanSnmpOperStatus	1.3.6.1.4.1.562.36.2.1.120.104.1.1	INTEGER	read-only	The current state of the interface. The up state indicates the interface is operational and capable of forwarding packets. The down state indicates the interface is not operational, thus unable to forward packets. testing state indicates that no operational packets can be passed.
mscDataSigChanStateEntry	1.3.6.1.4.1.562.36.2.1.120.103.1		not-accessible	An entry in the mscDataSigChanStateTable.
mscDataSigChanStateTable	1.3.6.1.4.1.562.36.2.1.120.103		not-accessible	This group contains the three OSI State attributes. The descriptions generically indicate what each state attribute implies about the component. Note that not all the values and state combinations described here are supported by every component which uses this group. For component-specific information and the valid state combinations, refer to NTP 241-7001-150, Passport Operations and Maintenance Guide.
STO mscDataSigChanStorageType	1.3.6.1.4.1.562.36.2.1.120.1.1.4	StorageType	read-only	This variable represents the storage type value for the mscDataSigChan tables.
INT mscDataSigChanUsageState	1.3.6.1.4.1.562.36.2.1.120.103.1.3	INTEGER	read-only	This attribute indicates the OSI Usage State of the component. The value idle indicates that the component is not currently in use. The value active indicates that the component is in use and has spare capacity to provide for additional users. The value busy indicates that the component is in use and has no spare operating capacity for additional users at this time.

FAQ

How would I check whether a data-over-ISDN signaling channel is active on a Nortel MscPassport switch?
The MIB exposes dsigChanRowStatus, which reflects whether a signaling channel entry is active, provisioned, or being modified — effectively the operational readiness of that ISDN data path. An engineer maintaining ISDN data services on a Passport platform can poll this status to confirm a signaling channel is correctly provisioned before troubleshooting a call failure further.

Does Nortel-MsCarrier-MscPassport-DataIsdnMIB help with tracking individual ISDN calls?
Yes — it includes a call identifier (CID) data table tied to signaling channel indices, which supports tracking call-level identification information for active or historical calls. This is useful when investigating a specific customer-reported ISDN call issue on a carrier's Passport switching platform.

RFC description

Nortel MsCommunications Server data ISDN management objects for carrier services.

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Download Nortel-MsCarrier-MscPassport-DataIsdnMIB

What Is Nortel-MsCarrier-MscPassport-DataIsdnMIB?

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Monitoring Examples

What Can Be Monitored

This MIB depends on

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RFC description