Win32_POTSModem class

The Win32_POTSModem WMI class represents the services and characteristics of a Plain Old Telephone Service (POTS) modem on a computer system running Windows.

The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties. Properties are listed in alphabetic order, not MOF order.

Syntax

[Dynamic, Provider("CIMWin32"), UUID("{8502C4BE-5FBB-11D2-AAC1-006008C78BC7}"), AMENDMENT]
class Win32_POTSModem : CIM_PotsModem
{
  uint16   AnswerMode;
  string   AttachedTo;
  uint16   Availability;
  string   BlindOff;
  string   BlindOn;
  string   Caption;
  string   CompatibilityFlags;
  uint16   CompressionInfo;
  string   CompressionOff;
  string   CompressionOn;
  uint32   ConfigManagerErrorCode;
  boolean  ConfigManagerUserConfig;
  string   ConfigurationDialog;
  string   CountriesSupported[];
  string   CountrySelected;
  string   CreationClassName;
  string   CurrentPasswords[];
  uint8    DCB[];
  uint8    Default[];
  string   Description;
  string   DeviceID;
  string   DeviceLoader;
  string   DeviceType;
  uint16   DialType;
  datetime DriverDate;
  boolean  ErrorCleared;
  string   ErrorControlForced;
  uint16   ErrorControlInfo;
  string   ErrorControlOff;
  string   ErrorControlOn;
  string   ErrorDescription;
  string   FlowControlHard;
  string   FlowControlOff;
  string   FlowControlSoft;
  string   InactivityScale;
  uint32   InactivityTimeout;
  uint32   Index;
  string   IndexEx;
  datetime InstallDate;
  uint32   LastErrorCode;
  uint32   MaxBaudRateToPhone;
  uint32   MaxBaudRateToSerialPort;
  uint16   MaxNumberOfPasswords;
  string   Model;
  string   ModemInfPath;
  string   ModemInfSection;
  string   ModulationBell;
  string   ModulationCCITT;
  uint16   ModulationScheme;
  string   Name;
  string   PNPDeviceID;
  string   PortSubClass;
  uint16   PowerManagementCapabilities[];
  boolean  PowerManagementSupported;
  string   Prefix;
  uint8    Properties[];
  string   ProviderName;
  string   Pulse;
  string   Reset;
  string   ResponsesKeyName;
  uint8    RingsBeforeAnswer;
  string   SpeakerModeDial;
  string   SpeakerModeOff;
  string   SpeakerModeOn;
  string   SpeakerModeSetup;
  string   SpeakerVolumeHigh;
  uint16   SpeakerVolumeInfo;
  string   SpeakerVolumeLow;
  string   SpeakerVolumeMed;
  string   Status;
  uint16   StatusInfo;
  string   StringFormat;
  boolean  SupportsCallback;
  boolean  SupportsSynchronousConnect;
  string   SystemCreationClassName;
  string   SystemName;
  string   Terminator;
  datetime TimeOfLastReset;
  string   Tone;
  string   VoiceSwitchFeature;
};

Members

The Win32_POTSModem class has these types of members:

• Methods
• Properties

Methods

The Win32_POTSModem class has these methods.

Method	Description
Reset	Not implemented. To implement this method, see the Reset method in CIM_PotsModem.
SetPowerState	Not implemented. To implement this method, see the SetPowerState method in CIM_PotsModem.

 

Properties

The Win32_POTSModem class has these properties.

AnswerMode

Data type: uint16

Access type: Read-only

Current auto-answer or callback setting for the modem.

This property is inherited from CIM_PotsModem.

Unknown (0)

Other (1)

Disabled (2)

Manual Answer (3)

Auto Answer (4)

Auto Answer with Call-Back (5)

AttachedTo

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|AttachedTo")

Port to which the POTS modem is attached.

Example: "COM1"

Availability

Data type: uint16

Access type: Read-only

Qualifiers: MappingStrings ("MIF.DMTF|Operational State|003.5", "MIB.IETF|HOST-RESOURCES-MIB.hrDeviceStatus")

Availability and status of the device.

This property is inherited from CIM_LogicalDevice.

Other (1)

Unknown (2)

Running/Full Power (3)

Running or Full Power

Warning (4)

In Test (5)

Not Applicable (6)

Power Off (7)

Off Line (8)

Off Duty (9)

Degraded (10)

Not Installed (11)

Install Error (12)

Power Save - Unknown (13)

The device is known to be in a power save mode, but its exact status is unknown.

Power Save - Low Power Mode (14)

The device is in a power save state but still functioning, and may exhibit degraded performance.

Power Save - Standby (15)

The device is not functioning, but could be brought to full power quickly.

Power Cycle (16)

Power Save - Warning (17)

The device is in a warning state, though also in a power save mode.

Paused (18)

The device is paused.

Not Ready (19)

The device is not ready.

Not Configured (20)

The device is not configured.

Quiesced (21)

The device is quiet.

BlindOff

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|BlindOff")

Command string used to detect a dial tone before dialing.

Example: "X4"

BlindOn

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|BlindOn")

Command string used to dial whether or not there is a dial tone.

Example: "X3"

Caption

Data type: string

Access type: Read-only

Qualifiers: MaxLen (64), DisplayName ("Caption")

Short description of the object.

This property is inherited from CIM_ManagedSystemElement.

CompatibilityFlags

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|CompatibilityFlags")

All modem connection protocols with which this modem device is compatible.

CompressionInfo

Data type: uint16

Access type: Read-only

Data compression characteristics of the modem.

This property is inherited from CIM_PotsModem.

Unknown (0)

Other (1)

Unknown

No Compression (2)

Other

MNP 5 (3)

No Compression

V.42bis (4)

MNP 5

5

V.42bis

CompressionOff

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Compression_Off")

Command string used to disable hardware data compression.

Example: "S46=136"

CompressionOn

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Compression_On")

Command string used to enable hardware data compression.

Example: "S46=138"

ConfigManagerErrorCode

Data type: uint32

Access type: Read-only

Qualifiers: Schema ("Win32")

Win32 Configuration Manager error code.

This property is inherited from CIM_LogicalDevice.

This device is working properly. (0)

Device is working properly.

This device is not configured correctly. (1)

Device is not configured correctly.

Windows cannot load the driver for this device. (2)

The driver for this device might be corrupted, or your system may be running low on memory or other resources. (3)

Driver for this device might be corrupted, or the system may be low on memory or other resources.

This device is not working properly. One of its drivers or your registry might be corrupted. (4)

Device is not working properly. One of its drivers or the registry might be corrupted.

The driver for this device needs a resource that Windows cannot manage. (5)

Driver for the device requires a resource that Windows cannot manage.

The boot configuration for this device conflicts with other devices. (6)

Boot configuration for the device conflicts with other devices.

Cannot filter. (7)

The driver loader for the device is missing. (8)

Driver loader for the device is missing.

This device is not working properly because the controlling firmware is reporting the resources for the device incorrectly. (9)

Device is not working properly. The controlling firmware is incorrectly reporting the resources for the device.

This device cannot start. (10)

Device cannot start.

This device failed. (11)

Device failed.

This device cannot find enough free resources that it can use. (12)

Device cannot find enough free resources to use.

Windows cannot verify this device's resources. (13)

Windows cannot verify the device's resources.

This device cannot work properly until you restart your computer. (14)

Device cannot work properly until the computer is restarted.

This device is not working properly because there is probably a re-enumeration problem. (15)

Device is not working properly due to a possible re-enumeration problem.

Windows cannot identify all the resources this device uses. (16)

Windows cannot identify all of the resources that the device uses.

This device is asking for an unknown resource type. (17)

Device is requesting an unknown resource type.

Reinstall the drivers for this device. (18)

Device drivers must be reinstalled.

Failure using the VxD loader. (19)

Your registry might be corrupted. (20)

Registry might be corrupted.

System failure: Try changing the driver for this device. If that does not work, see your hardware documentation. Windows is removing this device. (21)

System failure. If changing the device driver is ineffective, see the hardware documentation. Windows is removing the device.

This device is disabled. (22)

Device is disabled.

System failure: Try changing the driver for this device. If that doesn't work, see your hardware documentation. (23)

System failure. If changing the device driver is ineffective, see the hardware documentation.

This device is not present, is not working properly, or does not have all its drivers installed. (24)

Device is not present, not working properly, or does not have all of its drivers installed.

Windows is still setting up this device. (25)

Windows is still setting up the device.

Windows is still setting up this device. (26)

Windows is still setting up the device.

This device does not have valid log configuration. (27)

Device does not have valid log configuration.

The drivers for this device are not installed. (28)

Device drivers are not installed.

This device is disabled because the firmware of the device did not give it the required resources. (29)

Device is disabled. The device firmware did not provide the required resources.

This device is using an Interrupt Request (IRQ) resource that another device is using. (30)

Device is using an IRQ resource that another device is using.

This device is not working properly because Windows cannot load the drivers required for this device. (31)

Device is not working properly. Windows cannot load the required device drivers.

ConfigManagerUserConfig

Data type: boolean

Access type: Read-only

Qualifiers: Schema ("Win32")

If TRUE, the device is using a user-defined configuration.

This property is inherited from CIM_LogicalDevice.

ConfigurationDialog

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|ConfigDialog")

Modem initialization string. This property is made up of command strings from other properties of this class.

CountriesSupported

Data type: string array

Access type: Read-only

Array of countries/regions in which the modem can operate.

This property is inherited from CIM_PotsModem.

CountrySelected

Data type: string

Access type: Read-only

Country/region for which the modem is currently programmed. When multiple countries/regions are supported, this property defines which one is currently selected for use.

This property is inherited from CIM_PotsModem.

CreationClassName

Data type: string

Access type: Read-only

Qualifiers: CIM_Key

Name of the first concrete class to appear in the inheritance chain used in the creation of an instance. When used with the other key properties of the class, the property allows all instances of this class and its subclasses to be uniquely identified.

This property is inherited from CIM_LogicalDevice.

CurrentPasswords

Data type: string array

Access type: Read-only

List of currently defined passwords for the modem. This array may be left blank for security reasons.

This property is inherited from CIM_PotsModem.

DCB

Data type: uint8 array

Access type: Read-only

Qualifiers: MappingStrings ("Win32API|Communication Structures|DCB")

Control settings for a serial communications device, in this case, the modem device.

Default

Data type: uint8 array

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Default")

If TRUE, this POTS modem is the default modem on the computer system running Windows.

Description

Data type: string

Access type: Read-only

Qualifiers: DisplayName ("Description")

Description of the object.

This property is inherited from CIM_ManagedSystemElement.

DeviceID

Data type: string

Access type: Read-only

Qualifiers: Key, Override ("DeviceId"), MappingStrings ("WMI")

Unique identifier of this POTS modem from other devices on the system.

This property is inherited from CIM_LogicalDevice.

DeviceLoader

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|DevLoader")

Name of the device loader for the modem. A device loader loads and manages device drivers and enumerators for a given device.

DeviceType

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|DeviceType")

Physical type of the modem.

The values are:

"Null Modem"

"Internal Modem"

"External Modem"

"PCMCIA Modem"

"Unknown"

Null Modem ("Null Modem")

Internal Modem ("Internal Modem")

External Modem ("External Modem")

PCMCIA Modem ("PCMCIA Modem")

Unknown ("Unknown")

DialType

Data type: uint16

Access type: Read-only

Type of dialing method used.

This property is inherited from CIM_PotsModem.

Unknown (0)

Tone (1)

Pulse (2)

DriverDate

Data type: datetime

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|DriverDate")

Date of the modem driver.

ErrorCleared

Data type: boolean

Access type: Read-only

If TRUE, the error reported in LastErrorCode is now cleared.

This property is inherited from CIM_LogicalDevice.

ErrorControlForced

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|ErrorControl_Forced")

Command string used to enable error correction control when establishing a connection. This increases the reliability of the connection.

Example: "+Q5S36=4S48=7"

ErrorControlInfo

Data type: uint16

Access type: Read-only

Error correction characteristics of the modem.

This property is inherited from CIM_PotsModem.

Unknown (0)

Other (1)

No Error Correction (2)

MNP 4 (3)

LAPM (4)

ErrorControlOff

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|ErrorControl_Off")

Command string used to disable error control.

Example: "+Q6S36=3S48=128"

ErrorControlOn

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|ErrorControl_On")

Command string used to enable error control.

Example: "+Q5S36=7S48=7"

ErrorDescription

Data type: string

Access type: Read-only

More information about the error recorded in LastErrorCode, and information on any corrective actions that may be taken.

This property is inherited from CIM_LogicalDevice.

FlowControlHard

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|FlowControl_Hard")

Command string used to enable hardware flow control. Flow control consists of signals sent between computers that verify that both computers are ready to transmit or receive data.

Example: "&K1"

FlowControlOff

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|FlowControl_Off")

Command string used to disable flow control. Flow control consists of signals sent between computers that verify that both computers are ready to transmit or receive data.

Example: "&K0"

FlowControlSoft

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|FlowControl_Soft")

Command string used to enable software flow control. Flow control consists of signals sent between computers that verify that both computers are ready to transmit or receive data.

Example: "&K2"

InactivityScale

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|InactivityScale")

Multiplier used with the InactivityTimeout property to calculate the timeout period of a connection.

InactivityTimeout

Data type: uint32

Access type: Read-only

Qualifiers: Units ("seconds")

Time limit (in seconds) for automatic disconnection of the phone line, if no data is exchanged. A value of 0 (zero) indicates that this feature is present but not enabled.

This property is inherited from CIM_PotsModem.

Index

Data type: uint32

Access type: Read-only

Index number for this POTS modem.

Example: 0

IndexEx

Data type: string

Access type: Read-only

The device instance ID for this POTS modem.

Example: "1&08"

Windows Server 2012 R2, Windows 8.1, Windows Server 2012, Windows 8, Windows Server 2008 R2, Windows 7, Windows Server 2008 and Windows Vista: This property is available beginning with Windows Server 2016 and Windows 10.

InstallDate

Data type: datetime

Access type: Read-only

Qualifiers: MappingStrings ("MIF.DMTF|ComponentID|001.5"), DisplayName ("Install Date")

Date and time the object was installed. This property does not need a value to indicate that the object is installed.

This property is inherited from CIM_ManagedSystemElement.

LastErrorCode

Data type: uint32

Access type: Read-only

Last error code reported by the logical device.

This property is inherited from CIM_LogicalDevice.

MaxBaudRateToPhone

Data type: uint32

Access type: Read-only

Qualifiers: Units ("bits per second")

Maximum settable communication speed for accessing the phone system.

This property is inherited from CIM_PotsModem.

MaxBaudRateToSerialPort

Data type: uint32

Access type: Read-only

Qualifiers: Units ("bits per second")

Maximum settable communication speed to the COM port for an external modem. Enter 0 (zero) if not applicable.

This property is inherited from CIM_PotsModem.

MaxNumberOfPasswords

Data type: uint16

Access type: Read-only

Number of passwords definable in the modem itself. If this feature is not supported, enter 0 (zero).

This property is inherited from CIM_PotsModem.

Model

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Model")

Model of this POTS modem.

Example: "Sportster 56K External"

ModemInfPath

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|InfPath")

Path to this modem's .inf file. This file contains initialization information for the modem and its driver.

Example: "C:\Windows\INF"

ModemInfSection

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|InfSection")

Name of the section in the modem's .inf file that contains information about the modem.

ModulationBell

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Modulation_Bell")

Command string used to instruct the modem to use Bell modulations for 300 and 1200 bps.

Example: "B1"

ModulationCCITT

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Modulation_CCITT")

Command string used to instruct the modem to use CCITT modulations for 300 and 1200 bps.

Example: "B0"

ModulationScheme

Data type: uint16

Access type: Read-only

Modulation scheme of the modem.

This property is inherited from CIM_PotsModem.

Unknown (0)

Other (1)

Not Supported (2)

Bell 103 (3)

Bell 212A (4)

V.22bis (5)

V.32 (6)

V.32bis (7)

V.turbo (8)

V.FC (9)

V.34 (10)

V.34bis (11)

Name

Data type: string

Access type: Read-only

Qualifiers: DisplayName ("Name")

Label by which the object is known. When subclassed, the property can be overridden to be a key property.

This property is inherited from CIM_ManagedSystemElement.

PNPDeviceID

Data type: string

Access type: Read-only

Qualifiers: Schema ("Win32")

Windows Plug and Play device identifier of the logical device.

This property is inherited from CIM_LogicalDevice.

Example: "*PNP030b"

PortSubClass

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|PortSubClass"), Value ("Parallel Port", "Serial Port", "Modem")

Definition of the port used for this modem.

("00")

Parallel Port

("01")

Serial Port

("02")

Modem

PowerManagementCapabilities

Data type: uint16 array

Access type: Read-only

Array of the specific power-related capabilities of a logical device.

This property is inherited from CIM_LogicalDevice.

Unknown (0)

Not Supported (1)

Disabled (2)

Enabled (3)

The power management features are currently enabled but the exact feature set is unknown or the information is unavailable.

Power Saving Modes Entered Automatically (4)

The device can change its power state based on usage or other criteria.

Power State Settable (5)

The SetPowerState method is supported. This method is found on the parent CIM_LogicalDevice class and can be implemented. For more information, see Designing Managed Object Format (MOF) Classes.

Power Cycling Supported (6)

The SetPowerState method can be invoked with the PowerState parameter set to 5 (Power Cycle).

Timed Power On Supported (7)

Timed Power-On Supported

The SetPowerState method can be invoked with the PowerState parameter set to 5 (Power Cycle) and Time set to a specific date and time, or interval, for power-on.

PowerManagementSupported

Data type: boolean

Access type: Read-only

If TRUE, the device can be power-managed (can be put into suspend mode, and so on). The property does not indicate that power management features are currently enabled, only that the logical device is capable of power management.

This property is inherited from CIM_LogicalDevice.

Prefix

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Prefix")

Dialing prefix used to access an outside line.

Properties

Data type: uint8 array

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Properties")

List of all the properties (and their values) for this modem.

ProviderName

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|ProviderName")

Network path to the computer that provides the modem services.

Pulse

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Pulse")

Command string used to instruct the modem to use pulse mode for dialing. Pulse dialing is necessary for phone lines that are unable to handle tone dialing.

Example: "P"

Reset

Data type: string

Access type: Read-only

Qualifiers: Override (Reset), MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Reset")

Command string used to reset the modem for the next call.

Example: "AT&F"

ResponsesKeyName

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|ResponsesKeyName")

Response this modem might report to the operating system during the connection process. The first two characters specify the type of response. The second two characters specify information about the connection being made. The second two characters are used only for Negotiation Progress or Connect response codes. The next eight characters specify the modem-to-modem line speed negotiated in bits per second (bps). The characters represent a 32-bit unsigned long integer format (byte and word reversed). The last eight characters indicate that the modem is changing to a different port or Data Terminal Equipment (DTE) speed. Usually this field is not used because modems make connections at a locked port speed regardless of the modem-to-modem or Data Communications Equipment (DCE) speed.

RingsBeforeAnswer

Data type: uint8

Access type: Read-only

Number of rings before the modem answers an incoming call.

This property is inherited from CIM_PotsModem.

SpeakerModeDial

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|SpeakerModeDial")

Command string used to turn the modem speaker on after dialing a number, and turning the speaker off when a connection has been established.

Example: "M1"

SpeakerModeOff

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|SpeakerModeOff")

Command string used to turn the modem speaker off.

Example: "M0"

SpeakerModeOn

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|SpeakerModeOn")

Command string used to turn the modem speaker on.

Example: "M2"

SpeakerModeSetup

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|SpeakerModeSetup")

Command string used to instruct the modem to turn the speaker on (until a connection is established).

Example: "M3"

SpeakerVolumeHigh

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|SpeakerVolume_High")

Command string used to set the modem speaker to the highest volume.

Example: "L3"

SpeakerVolumeInfo

Data type: uint16

Access type: Read-only

Describes the volume level of the audible tones from the modem.

This property is inherited from CIM_PotsModem.

Unknown (0)

Other (1)

Not Supported (2)

High (3)

Medium (4)

Low (5)

Off (6)

Auto (7)

SpeakerVolumeLow

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|SpeakerVolume_Low")

Command string used to set the modem speaker to the lowest volume.

Example: "L1"

SpeakerVolumeMed

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|SpeakerVolume_Med")

Command string used to set the modem speaker to a medium volume.

Example: "L2"

Status

Data type: string

Access type: Read-only

Qualifiers: MaxLen (10), DisplayName ("Status")

Current status of the object. Various operational and nonoperational statuses can be defined. Operational statuses include: "OK", "Degraded", and "Pred Fail" (an element, such as a SMART-enabled hard disk drive, may be functioning properly but predicting a failure in the near future). Nonoperational statuses include: "Error", "Starting", "Stopping", and "Service". The latter, "Service", could apply during mirror-resilvering of a disk, reload of a user permissions list, or other administrative work. Not all such work is online, yet the managed element is neither "OK" nor in one of the other states.

This property is inherited from CIM_ManagedSystemElement.

Values include the following:

OK ("OK")

Error ("Error")

Degraded ("Degraded")

Unknown ("Unknown")

Pred Fail ("Pred Fail")

Starting ("Starting")

Stopping ("Stopping")

Service ("Service")

Stressed ("Stressed")

NonRecover ("NonRecover")

No Contact ("No Contact")

Lost Comm ("Lost Comm")

StatusInfo

Data type: uint16

Access type: Read-only

Qualifiers: MappingStrings ("MIF.DMTF|Operational State|003.3")

State of the logical device. If this property does not apply to the logical device, the value 5 (Not Applicable) should be used.

This property is inherited from CIM_LogicalDevice.

Other (1)

Unknown (2)

Enabled (3)

Disabled (4)

Not Applicable (5)

StringFormat

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32_API|Line Device Structures|LINEDEVCAPS|dwStringFormat")

Type of characters used for text passed through the modem.

The values are:

"ASCII string format"

"DBCS string format"

"UNICODE string format"

ASCII string format ("ASCII string format")

DBCS string format ("DBCS string format")

UNICODE string format ("UNICODE string format")

SupportsCallback

Data type: boolean

Access type: Read-only

If TRUE, the modem supports callback.

This property is inherited from CIM_PotsModem.

SupportsSynchronousConnect

Data type: boolean

Access type: Read-only

If TRUE, synchronous, as well as asynchronous, communication is supported.

This property is inherited from CIM_PotsModem.

SystemCreationClassName

Data type: string

Access type: Read-only

Qualifiers: Propagated ("CIM_System.CreationClassName"), CIM_Key

Value of the scoping computer's CreationClassName property.

This property is inherited from CIM_LogicalDevice.

SystemName

Data type: string

Access type: Read-only

Qualifiers: Propagated ("CIM_System.Name"), CIM_Key

Name of the scoping system.

This property is inherited from CIM_LogicalDevice.

Terminator

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Terminator")

String that marks the end of a command string.

Example: "<cr"

TimeOfLastReset

Data type: datetime

Access type: Read-only

Date and time the modem was last reset.

This property is inherited from CIM_PotsModem.

Tone

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|Tone")

Command string that instructs the modem to use tone mode for dialing. The phone line must support tone dialing.

Example: "T"

VoiceSwitchFeature

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32Registry|SYSTEM\\CurrentControlSet\\Control\\Class|VoiceSwitchFeature")

Command strings used to activate the voice capabilities of a voice modem.

Example: "AT+V"

Remarks

The Win32_POTSModem class is derived from CIM_PotsModem.

Requirements

Requirement	Value
Minimum supported client	Windows Vista
Minimum supported server	Windows Server 2008
Namespace	Root\CIMV2
MOF	CIMWin32.mof
DLL	CIMWin32.dll

See also

CIM_PotsModem

Computer System Hardware Classes