The free physical RAM, in kilobytes, currently available on the device.

Active Notification requests for this parameter MAY be denied.

Comma-separated list of strings. Indicates the TCP congestion control mechanism(s) implemented. Each list item is an enumeration of:

• Tahoe (Represents the base TCP implementation in [RFC793] and elements of [RFC2582])
• Reno (Represents the base TCP implementation in [RFC793] with the additional algorithms defined in [RFC2581])
• New Reno (Described as a modification to the Reno algorithms in [RFC2582])
• Vegas (An emerging TCP congestion control mechanism) Tahoe, Reno, and New Reno are defined in [RFC2582]

The total amount of the CPU, in percent, rounded up to the nearest whole percent. In the case that multiple CPU are present, this value represents the average of all CPU.

Active Notification requests for this parameter MAY be denied.

The size in kilobytes of the memory occupied by the process.

Active Notification requests for this parameter MAY be denied.

The amount of time in milliseconds that the process has spent taking up CPU time since the process was started.

Active Notification requests for this parameter MAY be denied.

The current state that the process is in.

Enumeration of:

• Running
• Sleeping
• Stopped
• Idle (OPTIONAL)
• Uninterruptible (OPTIONAL)
• Zombie (OPTIONAL)

Active Notification requests for this parameter MAY be denied.

The status of this temperature sensor.

Enumeration of:

• Disabled (The sensor is not currently sampling the temperature)
• Enabled (The sensor is currently sampling the temperature)
• Error (The sensor error currently prevents sampling the temperature)

When set to true, resets the temperature sensor.

When read, this parameter returns false, regardless of the actual value.

• Status transition from Disabled to Enabled
• Reset set to true.
• An internal reset of the temperature sensor (including a reboot of the device). The Unknown Time value, as defined in [TR-106a2], indicates that this temperature sensor has never been reset, which can only happen if it has never been enabled.

This temperature sensor’s last good reading in degrees celsius. A value of -274 (which is below absolute zero) indicates a good reading has not been obtained since last reset.

Active Notification requests for this parameter MAY be denied.

The time at which this temperature sensor’s last good reading was obtained. The Unknown Time value, as defined in [TR-106a2], indicates a good reading has not been obtained since last reset.

Active Notification requests for this parameter MAY be denied.

Comma-separated list of strings. This parameter MUST list exactly the features that are defined using the top-level feature element in the DT Instance referenced by URL. For example, if the DT instance specified the following:

then the value of this parameter might be DNSServer,Router,X_MyDeviceFeature. The order in which the features are listed is not significant.

The horizontal position of the User Interface’s top left corner within the local CPE’s display measured from the top left corner, expressed in pixels.

Active Notification requests for this parameter MAY be denied.

The vertical position of the User Interface’s top left corner within the local CPE’s display measured from the top left corner, expressed in pixels.

Active Notification requests for this parameter MAY be denied.

The width of the user interface within the local CPE’s display, expressed in pixels.

Active Notification requests for this parameter MAY be denied.

The height of the user interface within the local CPE’s display, expressed in pixels.

Active Notification requests for this parameter MAY be denied.

Comma-separated list of strings. Indicates the protocols that are supported by the CPE for the purpose of remotely accessing the user interface.

Each list item is an enumeration of:

• HTTP (As defined in [RFC2616])
• HTTPS (As defined in [RFC2818])

How this firewall is configured. Enumeration of:

• High (The firewall implements the “Traffic Denied Inbound” and “Minimally Permit Common Services Outbound” components of the ICSA residential certification’s Required Services Security Policy [ICSA-Firewall])
• Low (All Outbound traffic and pinhole-defined Inbound traffic is allowed)
• Off (All Inbound and Outbound traffic is allowed, and the CPE is only protected by NAT settings) Vendors can extend the enumerated values with vendor specific extensions, in which case the rules outlined in [Section 3.3/TR-106a2] MUST be adhered to.

The user’s password.

When read, this parameter returns an empty string, regardless of the actual value.

The status of the UPnP root device. Enumeration of:

• LeaseActive (Device is active and UPnP lease has not expired)
• LeaseExpired (Device is inactive because UPnP lease has expired)
• ByebyeReceived (Device is inactive because byebye message was received) The ability to list inactive UPnP root devices is OPTIONAL. The length of time an inactive device remains listed in this table is a local matter to the CPE.

This UPnP root device’s UUID (Universally Unique IDentifier) [RFC4122], extracted from any of its USN (Unique Service Name) headers. This is a 36-byte string that uniquely identifies the device, the following is an example:

02c29d2a-dbfd-2d91-99c9-306d537e9856

Possible patterns:

• [0-9A-Fa-f]{8}-([0-9A-Fa-f]{4}-){3}[0-9A-Fa-f]{12}

The value of the USN (Unique Service Name) header for this UPnP root device. Three discovery messages are sent for root devices, and this SHOULD be the value of the USN header of the following form:

uuid:device-UUID::urn:domain-name:device:deviceType:v SSDP is an unreliable protocol and it is possible that no discovery message containing the USN header of the above form was ever received. If so, one of the other two forms MAY be used:

uuid:device-UUID::upnp:rootdevice

uuid:device-UUID (for root device UUID)

The value of the SERVER header for this UPnP root device, which is a string of the following form:

OS/version UPnP/udaversion product/version where UPnP is a literal string, udaversion is the version of the UPnP Device Architecture.

The status of the UPnP embedded device. Enumeration of:

• LeaseActive (Device is active and UPnP lease has not expired)
• LeaseExpired (Device is inactive because UPnP lease has expired)
• ByebyeReceived (Device is inactive because byebye message was received) The ability to list inactive UPnP embedded devices is OPTIONAL. The length of time an inactive device remains listed in this table is a local matter to the CPE.

This UPnP embedded device’s UUID (Universally Unique IDentifier) [RFC4122], extracted from any of its USN (Unique Service Name) headers. This is a 36-byte string that uniquely identifies the device, the following is an example:

02c29d2a-dbfd-2d91-99c9-306d537e9856

Possible patterns:

• [0-9A-Fa-f]{8}-([0-9A-Fa-f]{4}-){3}[0-9A-Fa-f]{12}

The value of the USN (Unique Service Name) header for this UPnP embedded device. Two discovery messages are sent for embedded devices, and this SHOULD be the value of the USN header of the following form:

uuid:device-UUID::urn:domain-name:device:deviceType:v SSDP is an unreliable protocol and it is possible that no discovery message containing the USN header of the above form was ever received. If so, the other form MAY be used:

uuid:device-UUID

The value of the SERVER header for this UPnP embedded device, which is a string of the following form:

OS/version UPnP/udaversion product/version where UPnP is a literal string, udaversion is the version of the UPnP Device Architecture.

The status of the UPnP embedded service. Enumeration of:

• LeaseActive (Service is active and UPnP lease has not expired)
• LeaseExpired (Service is inactive because UPnP lease has expired)
• ByebyeReceived (Service is inactive because byebye message was received) The ability to list inactive UPnP embedded services is OPTIONAL. The length of time an inactive service remains listed in this table is a local matter to the CPE.

The value of the USN (Unique Service Name) header for this UPnP embedded service. This is of the following form:

uuid:device-UUID::urn:domain-name:service:serviceType:v

The value of the SERVER header for this UPnP embedded service, which is a string of the following form:

OS/version UPnP/udaversion product/version where UPnP is a literal string, udaversion is the version of the UPnP Device Architecture.

Type of USB Host

Enumeration of:

• OHCI (Open Host Controller Interface)
• EHCI (Enhanced Host Controller Interface)
• UHCI (Universal Host Controller Interface)
• xHCI (Extensible Host Controller Interface)

When set to true, reset the Host Controller and apply the reset signaling (see [Chapter 7.1.7.5/USB2.0]) to all of the Host Controller Hub downstream ports. The value is not saved in the device’s state and setting it to false has no effect.

When read, this parameter returns false, regardless of the actual value.

Speed of the USB device. Enumeration of:

• Low (1.5 Mbits/sec (187.5 KB/sec) defined in [USB1.0])
• Full (12 Mbits/sec (1.5 MB/sec) defined in [USB1.0])
• High (480 Mbits/sec (60 MB/sec) defined in [USB2.0])
• Super (5.0 Gbits/sec (625 MB/sec) defined in [USB3.0]) Internal signaling between the connected USB device and the USB Host Controller provide the information needed to determine the negotiated rate.

Indicates availability of diagnostic data. Enumeration of:

• None (READONLY)
• Requested
• Complete (READONLY)
• Error_DNSServerNotResolved (Unable to resolve DNSServer Name, READONLY)
• Error_Internal (READONLY)
• Error_Other (READONLY) If the ACS sets the value of this parameter to Requested, the CPE MUST initiate the corresponding diagnostic test. When writing, the only allowed value is Requested. To ensure the use of the proper test parameters (the writable parameters in this object), the test parameters MUST be set either prior to or at the same time as (in the same SetParameterValues) setting the DiagnosticsState to Requested. When requested, the CPE SHOULD wait until after completion of the communication session with the ACS before starting the diagnostic. When the test is completed, the value of this parameter MUST be either Complete (if the test completed successfully), or one of the Error values listed above. If the value of this parameter is anything other than Complete, the values of the results parameters for this test are indeterminate. When the diagnostic initiated by the ACS is completed (successfully or not), the CPE MUST establish a new connection to the ACS to allow the ACS to view the results, indicating the Event code “8 DIAGNOSTICS COMPLETE” in the Inform message. After the diagnostic is complete, the value of all result parameters (all read-only parameters in this object) MUST be retained by the CPE until either this diagnostic is run again, or the CPE reboots. After a reboot, if the CPE has not retained the result parameters from the most recent test, it MUST set the value of this parameter to None. Modifying any of the writable parameters in this object except for this one MUST result in the value of this parameter being set to None. While the test is in progress, modifying any of the writable parameters in this object except for this one MUST result in the test being terminated and the value of this parameter being set to None. While the test is in progress, setting this parameter to Requested (and possibly modifying other writable parameters in this object) MUST result in the test being terminated and then restarted using the current values of the test parameters.

Active Notification requests for this parameter MAY be denied.

Number of successfully executed repetitions.

Active Notification requests for this parameter MAY be denied.

The number of entries in the Result table. Total number of Result entries from the most recent invocation of the test.

Active Notification requests for this parameter MAY be denied.

Result Parameter to represent whether the NS Lookup was successful or not. Errors for individual Result instances do not get bubbled up to DiagnosticsState. A failure on a specific attempt does not mean that the overall test failed, but a failure on all attempts means that DiagnosticsState SHOULD be Error_Other.

Enumeration of:

• Success
• Error_DNSServerNotAvailable
• Error_HostNameNotResolved
• Error_Timeout
• Error_Other

Active Notification requests for this parameter MAY be denied.

Result parameter to represent whether the answer is Authoritative or not.

Enumeration of:

• None (Indicates that the NS Lookup failed to find the host)
• Authoritative
• NonAuthoritative

Active Notification requests for this parameter MAY be denied.

Result parameter to represent the fully qualified name for the Host Name in the calling parameter (e.g. HostName.DomainName); if no response was provided, then this parameter is an empty string.

Active Notification requests for this parameter MAY be denied.

[IPAddress] Comma-separated list (up to 10 items) of IP Addresses. Indicates the IP Address results returned by the NS Lookup; if no response was provided, then this parameter is an empty string.

Active Notification requests for this parameter MAY be denied.

[IPAddress] Result parameter to represent the actual DNS Server IP address that the NS Lookup used.

Active Notification requests for this parameter MAY be denied.

Response time (for the first response packet) in milliseconds, or 0 if no response was received.

Active Notification requests for this parameter MAY be denied.

Indicates availability of diagnostic data. Enumeration of:

• None (READONLY)
• Requested
• Complete (READONLY)
• Error_Internal (READONLY)
• Error_Other (READONLY) If the ACS sets the value of this parameter to Requested, the CPE MUST initiate the corresponding diagnostic test. When writing, the only allowed value is Requested. To ensure the use of the proper test parameters (the writable parameters in this object), the test parameters MUST be set either prior to or at the same time as (in the same SetParameterValues) setting the DiagnosticsState to Requested. When requested, the CPE SHOULD wait until after completion of the communication session with the ACS before starting the diagnostic. When the test is completed, the value of this parameter MUST be either Complete (if the test completed successfully), or one of the Error values listed above. If the value of this parameter is anything other than Complete, the values of the results parameters for this test are indeterminate. When the diagnostic initiated by the ACS is completed (successfully or not), the CPE MUST establish a new connection to the ACS to allow the ACS to view the results, indicating the Event code “8 DIAGNOSTICS COMPLETE” in the Inform message. After the diagnostic is complete, the value of all result parameters (all read-only parameters in this object) MUST be retained by the CPE until either this diagnostic is run again, or the CPE reboots. After a reboot, if the CPE has not retained the result parameters from the most recent test, it MUST set the value of this parameter to None. Modifying any of the writable parameters in this object except for this one MUST result in the value of this parameter being set to None. While the test is in progress, modifying any of the writable parameters in this object except for this one MUST result in the test being terminated and the value of this parameter being set to None. While the test is in progress, setting this parameter to Requested (and possibly modifying other writable parameters in this object) MUST result in the test being terminated and then restarted using the current values of the test parameters.

Active Notification requests for this parameter MAY be denied.

Results of self-test (vendor specific).

Active Notification requests for this parameter MAY be denied.

Indicates the status of this smart card reader.

Enumeration of:

• Disabled
• Enabled (Indicates the smart card reader is enabled and functioning properly)
• Error (Indicates the smart card reader is enabled and not functioning properly)

When set to true, resets the SmartCard Reader and the associated SmartCard.

When read, this parameter returns false, regardless of the actual value.

• Status transition from Disabled to Enabled
• Reset set to true.
• An internal reset of the SmartCard Reader (including a reboot of the device). Unknown Time value indicates that this SmartCard Reader has never been reset, which can only happen if it has never been enabled.

Counter incremented once each time decryption cannot be carried out. This counter relates to the smart card reader, not to the smart card itself, i.e. it is reset when the Reset parameter is used and not when a Smart Card is inserted or removed.

Active Notification requests for this parameter MAY be denied.

Counter incremented once each time the key is not available to decrypt it. This is a subset of the more general DecryptionFailedCounter within the same object and thus will always be less than that parameter. This counter relates to the smart card reader, not to the smart card itself, i.e. it is reset when the Reset parameter is used and not when a Smart Card is inserted or removed.

Active Notification requests for this parameter MAY be denied.

Status of the Smart Card.

Enumeration of:

• None (Indicates that no Smart Card is inserted)
• Running (Indicates a Smart Card is present and working normally)
• Error (Indicates the Smart Card is present and in an error condition)

Smart Card Type. Enumeration of:

• CA
• DRM
• UICC Vendors can extend the enumerated values with vendor specific extensions, in which case the rules outlined in [Section 3.3/TR-106a2] MUST be adhered to.

Comma-separated list of strings. Indicates Smart Card Application(s). Application is only relevant when Type has a value of UICC, otherwise it is an empty string. Each list item is an enumeration of:

• SIM
• USIM
• ISIM Vendors can extend the enumerated values with vendor specific extensions, in which case the rules outlined in [Section 3.3/TR-106a2] MUST be adhered to.

Indicates availability of Sample statistics. Enumeration of:

• Disabled (Collection is disabled)
• Enabled (Collection is enabled)
• Trigger (Collection is enabled and the ACS SHOULD now fetch the collected data) The Trigger value is only used for triggering the ACS to fetch the collected data and can only be used when FetchSamples is in the range [1:ReportSamples]. The transition from Enabled to Trigger to Enabled MUST be instantaneous and so will result in only a single value change for notification purposes.

Comma-separated list of unsigned integers. Each entry indicates the number of seconds during which data was collected during the sample interval. Individual SampleSeconds values can be less than SampleInterval, for several reasons, including:

TimeReference has been set to a time other than the Unknown Time and the current sample interval started part of the way through a scheduled sample interval.

ForceSample has been used to force statistics for the current sample to be calculated and updated in the data model.

Active Notification requests for this parameter MAY be denied.

Controls how this parameter’s value is sampled. Enumeration of:

• Current (Sampled value is current value)
• Change (Sampled value is change in value since start of sample interval) Parameters of non-numeric types can only support Current. The value of the SampleMode MUST be ignored for such parameters.

Controls how this parameter’s statistic is calculated from the sampled value(s). Enumeration of:

• Latest (Statistic is sampled value at end of sample interval)
• Minimum (Statistic is minimum sampled value during sample interval)
• Maximum (Statistic is maximum sampled value during sample interval)
• Average (Statistic is average (mean) sampled value during sample interval) Parameters of non-numeric types can only support Latest. The value of the CalculationMode MUST be ignored for such parameters. SampleMode MUST be applied before CalculationMode, i.e. the inputs to the calculation will have already accounted for SampleMode.

Comma-separated list of unsigned integers. Each entry indicates the number of seconds during which data was collected for this parameter during the sample interval. Individual SampleSeconds values can be less than {{param: non-existent .PeriodicStatistics.SampleSet.{i}.SampleInterval}}, for several reasons, including:

Any of the reasons for which {{param: non-existent .PeriodicStatistics.SampleSet.{i}.SampleSeconds}} values might be less than {{param: non-existent .PeriodicStatistics.SampleSet.{i}.SampleInterval}}.

The parameter doesn’t exist, or was created or deleted during a sample interval.

Active Notification requests for this parameter MAY be denied.

Comma-separated list of unsigned integers (up to 1). Each entry is 0 if the sampled value is believed to be valid, or 1 if an event that might affect the validity of the sampled value occurred during the sample interval. For example, if the parameter value were to be reset during the sample interval then it would be appropriate to set SuspectData to 1.

Active Notification requests for this parameter MAY be denied.

Comma-separated list of strings. Each entry indicates the value of the referenced parameter, as determined by SampleMode, during the sample interval. The statistics values in this comma-separated lists MUST be in time order, with the oldest one first and the most recent one last. If the SampleMode parameter is not present, or is inappropriate for the referenced parameter, the statistics values MUST be collected in Current mode.

Active Notification requests for this parameter MAY be denied.

• “in range” : current value is greater than LowThreshold and less than HighThreshold.
• “out of range” : current value is less than or equal to LowThreshold, or greater than or equal to HighThreshold.
• “out of range (low)” : current value is less than or equal to LowThreshold.
• “out of range (high)” : current value is greater than or equal to HighThreshold. Note that, if LowThreshold and HighThreshold are both the same, the threshold/failure mechanism is disabled, so the value of this parameter will not increment. This parameter can be incremented at any time during a sample interval, and might be incremented more than once during a single sample interval. For this reason, the CPE SHOULD place a locally specified limit on the frequency at which it will notify the ACS of such changes, as described in [Section 3.2.1/TR-069a2]. Parameters of non-numeric types cannot support the threshold/failure mechanism. The value of this parameter MUST be ignored for such parameters.

The status of the announcement service.

Enumeration of:

• Disabled
• Enabled
• Error (MAY be used by the CPE to indicate a locally defined error condition, OPTIONAL)

The status of this group table entry.

Enumeration of:

• Disabled
• Enabled
• Error (MAY be used by the CPE to indicate a locally defined error condition, e.g. unable to parse received announcements, OPTIONAL)

The status of the query service.

Enumeration of:

• Disabled
• Enabled
• Error (MAY be used by the CPE to indicate a locally defined error condition, e.g. unable to contact query response server, OPTIONAL)

Indicates the transfer types that MUST be included when the CPE notifies the ACS of AUTONOMOUS TRANSFER COMPLETE events. Transfer types not indicated by this filter MUST NOT be included when the CPE notifies the ACS. Enumeration of:

• Upload
• Download
• Both (Upload and Download) Note that this includes any backup or restore operations that were not specifically requested by the ACS. A backup is regarded as an Upload and a restore is regarded as a Download.

Indicates the transfer results that MUST be included when the CPE notifies the ACS of AUTONOMOUS TRANSFER COMPLETE events. Transfer results omitted from this list MUST NOT be included when the CPE notifies the ACS. Note that this includes any backup or restore operations that were not specifically requested by the ACS. A backup is regarded as an Upload and a restore is regarded as a Download.

Enumeration of:

• Success (The autonomous file transfer completed successfully; i.e., the FaultCode was zero)
• Failure (The autonomous file transfer did not complete successfully; i.e., the FaultCode was non-zero)
• Both (Success and Failure)

Comma-separated list (maximum number of characters 1024) of strings. Indicates the file types that MUST be included when the CPE notifies the ACS of AUTONOMOUS TRANSFER COMPLETE events. File types omitted from this list MUST NOT be included when the CPE notifies the ACS.

Each list item matches one of:

• 1 Firmware Upgrade Image (Download Only)
• 2 Web Content (Download Only)
• 3 Vendor Configuration File (Download or Upload)
• 4 Vendor Log File (Upload Only)
• X [0-9A-F]{6} .* (For Vendor-Specific File Types, could be for either Download or Upload) Additionally, the following format is defined to allow the unique definition of vendor-specific file types:
• “X ” is replaced by a 6 hexadecimal-digit OUI (organizationally unique identifier) as defined in [OUI], with all upper-case letters and any leading zeros included. The OUI used for a given vendor-specific file type MUST be one that is assigned to the organization that defined this file type (which is not necessarily the same as the vendor of the CPE or ACS). Note that an empty string indicates that all file types are excluded from this filter, effectively disabling CPE notification of AUTONOMOUS TRANSFER COMPLETE events to the ACS.