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 Class   379TELEPHONIC COMMUNICATIONS
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  1.01           DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT
  1.02           . (1 indent ) Of audio message storage and retrieval
  1.03           . (1 indent ) Of data transmission
  1.04           .. (2 indent ) Qualifying line for data transmission
  2           . (1 indent ) Including fault responsive disconnection of tested component
  3           . (1 indent ) Of hybrid or echo suppressor or canceller
  4           . (1 indent ) Of repeater
  7           . (1 indent ) For detection of eavesdropping device
  8           . (1 indent ) With blocking of normal usage
  9           . (1 indent ) Of centralized switching system
  9.01           .. (2 indent ) Software compatibility
  9.02           .. (2 indent ) Maintenance console
  9.03           .. (2 indent ) Trouble ticket reporting
  9.04           .. (2 indent ) Record or report generation
  9.05           .. (2 indent ) Backup system
  9.06           .. (2 indent ) Of line interface circuitry
  14           .. (2 indent ) Of plural exchange network
  14.01           ... (3 indent ) Fault segmentation (e.g., error location in network)
  10.01           .. (2 indent ) By automatic testing sequence
  10.02           ... (3 indent ) By call generator
  10.03           ... (3 indent ) Script file generation or execution
  11           ... (3 indent ) Routiner
  12           .. (2 indent ) With dedicated testing line or trunk
  13           .. (2 indent ) Of call timing or charging equiment
  15.01           .. (2 indent ) Of switching equipment or network element
  15.02           ... (3 indent ) Advanced intelligent network (AIN)
  15.03           .... (4 indent ) Provisioning of service
  15.04           .... (4 indent ) Of plural AIN elements
  15.05           .... (5 indent ) Determining fault location
  16           ... (3 indent ) Of switching path
  17           ... (3 indent ) Of switching selector
  18           ... (3 indent ) By use of call address signal
  19           ... (3 indent ) Rapid manual connecting structure for test equipment
  20           .. (2 indent ) Of switchboard element condition (e.g., lamp)
  21           . (1 indent ) Using portable test set (e.g., handset type)
  22           . (1 indent ) Of trunk or long line
  22.01           .. (2 indent ) By loopback
  22.02           .. (2 indent ) By analysis of injected tone signal
  22.03           .. (2 indent ) Fault detection or fault location on telephone link (e.g., continuity, leakage)
  22.04           ... (3 indent ) Of digital loop carrier
  22.05           .... (4 indent ) Pair gain test controller
  22.06           ... (3 indent ) Having special connector
  22.07           ... (3 indent ) Telephone multiconducting wires (e.g., tip, ring and ground wires)
  22.08           ... (3 indent ) Noise
  23           .. (2 indent ) Of line signalling
  24           .. (2 indent ) Electrical parameter measurement (e.g., attenuation)
  25           .. (2 indent ) Conductor identification or location
  26.01           . (1 indent ) Testing of network terminating interface, subscriber trunk interface, or service function
  26.02           .. (2 indent ) With a programmable or self-test device
  27.01           . (1 indent ) Testing of subscriber loop or terminal
  27.02           .. (2 indent ) By generating call signal
  27.03           .. (2 indent ) By analysis of testing signal
  27.04           .. (2 indent ) By automatic testing sequence (e.g., programmable, test, script or test call generation program)
  27.05           .. (2 indent ) Having protection circuit (e.g., surge or short circuit protector)
  27.06           .. (2 indent ) Having electromechanical switch or relay
  27.07           .. (2 indent ) Having plugging maintenance or test module
  27.08           .. (2 indent ) Including sampling measurement technique
  28           .. (2 indent ) Of data transmission instrument
  29.01           .. (2 indent ) Terminal arrangement to enable remote testing (e.g., testing interface)
  29.02           ... (3 indent ) By simulator (e.g., computer simulates testing personnel)
  29.03           ... (3 indent ) Voltage or current determination
  29.04           ... (3 indent ) Voltage or current detector
  29.05           ... (3 indent ) Metallic loop testing
  29.06           ... (3 indent ) By dialing back the calling terminal
  29.07           ... (3 indent ) For a fault caused by an off-hook status
  29.08           ... (3 indent ) For a fault caused by new added service or equipment (e.g., software compatible)
  29.09           ... (3 indent ) With historical operating information database
  29.1           ... (3 indent ) Visual output (e.g., printing, displaying)
  29.11           ... (3 indent ) Having telephone maintenance termination unit (e.g., MTU)
  30           .. (2 indent ) Loop impedance (e.g., resistance, capacitance)
  31           .. (2 indent ) Of line signalling generator (e.g., dial, tone code generator)
  32.01           . (1 indent ) Monitoring
  32.02           .. (2 indent ) Trunk or long line
  32.03           ... (3 indent ) AIN link
  32.04           .. (2 indent ) Subscriber line
  32.05           .. (2 indent ) Call tracing
  33           .. (2 indent ) Alarm or emergency (e.g., cut line)
  35           .. (2 indent ) Listening-in or eavesdropping type
  36           FREE CALLING FROM PAYSTATION
  37           EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT)
  38           . (1 indent ) Personal monitoring (e.g., for the ill or infirm)
  39           . (1 indent ) Responsive to sensed nonsystem condition
  40           .. (2 indent ) Automatic dialing
  41           .. (2 indent ) Transmission of recorded audio message
  42           .. (2 indent ) Plural conditions
  43           .. (2 indent ) Fire
  44           .. (2 indent ) Intrusion
  45           . (1 indent ) Central office responsive to emergency call or alarm (e.g., "911", operator position display)
  46           . (1 indent ) Called line or station condition responsive (e.g., recall if busy)
  47           . (1 indent ) Plural alarms over single line
  48           . (1 indent ) Announcement or alarm received at terminal station (e.g., "butt-in", alarm)
  49           . (1 indent ) Central station with plural substations
  50           . (1 indent ) By pulse or digital signal
  51           . (1 indent ) With automatic dialing or transmission of recorded audio message
  52           INCLUDING AID FOR HANDICAPPED USER (E.G., VISUAL, TACTILE, HEARING AID COUPLING)
  55.1           HAVING NEAR FIELD LINK (E.G., CAPACITIVE, INDUCTIVE)
  56.1           HAVING LIGHT WAVE OR ULTRASONIC LINK FOR SPEECH OR PAGING SIGNAL
  56.2           . (1 indent ) Including fiber optic link within telephone network
  56.3           . (1 indent ) Including infra-red link with landline telephone network
  67.1           AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS
  68           . (1 indent ) Dynamic audio signal recording or reproduction
  69           .. (2 indent ) Call originating
  70           .. (2 indent ) Call intercept or answering
  71           ... (3 indent ) Consecutive use of recorded phrases or words to form message
  72           ... (3 indent ) Sequential or repeated announcement during single call initiated cycle
  73           ... (3 indent ) Plural record carrier channels
  74           ... (3 indent ) Remote control over telephone line
  75           .... (4 indent ) Remote dictation
  76           .... (4 indent ) Announcement selection or replacement
  77           .... (4 indent ) Control by generated tone
  78           ... (3 indent ) Acoustic coupling
  79           ... (3 indent ) With specified call initiated cycle control circuitry
  80           .... (4 indent ) Voice signal presence responsive
  81           .... (4 indent ) Call termination responsive (e.g., hang-up)
  82           .... (4 indent ) Having specified call initiation (e.g., ringing) responsive circuitry
  83           .... (4 indent ) Structural detail of storage medium drive
  84           ... (3 indent ) At switching facility (e.g., central office, switchboard)
  85           .. (2 indent ) Recording of telephone signal during normal operation
  86           ... (3 indent ) Inductive pickup
  87           .. (2 indent ) Reproduced signal distributed over telephone line
  88.01           . (1 indent ) Voice activation or recognition
  88.02           .. (2 indent ) Voice verification (e.g., voice authorization, voiceprint, etc.)
  88.03           .. (2 indent ) Voice dialing
  88.04           .. (2 indent ) Voice controlled message management
  88.05           . (1 indent ) Multilingual system or operation
  88.06           .. (2 indent ) Language selection
  88.07           . (1 indent ) Digital signal processing (DSP)
  88.08           . (1 indent ) Message signal analysis
  88.09           .. (2 indent ) Statistical analysis (e.g., time, date, length of message, etc.)
  88.1           .. (2 indent ) Including data compression
  88.11           . (1 indent ) Display of message related information
  88.12           . (1 indent ) Indication or notification of message
  88.13           . (1 indent ) Multimedia system (e.g., voice output combined with fax, video, text, etc.)
  88.14           .. (2 indent ) Presentation format conversion
  88.15           .. (2 indent ) Pager activation
  88.16           . (1 indent ) Voice message synthesis
  88.17           . (1 indent ) Interaction with an external nontelephone network (e.g., Internet)
  88.18           . (1 indent ) Interacting voice message systems
  88.19           . (1 indent ) Call source identification
  88.2           .. (2 indent ) Automatic Number Identification (ANI)
  88.21           .. (2 indent ) Caller identification received at substation
  88.22           . (1 indent ) Message management
  88.23           .. (2 indent ) Controlled by subscriber or caller
  88.24           ... (3 indent ) By generated tone
  88.25           ... (3 indent ) Message storage in centralized location (e.g., central office, PBX, etc.)
  88.26           .... (4 indent ) Recording voice message from non subscriber caller
  88.27           .. (2 indent ) Separate storage for voice and control information
  88.28           .. (2 indent ) Solid state memory storage
  90.01           TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE)
  91.01           . (1 indent ) Credit authorization
  91.02           .. (2 indent ) At switching station
  92.01           . (1 indent ) Polling
  92.02           .. (2 indent ) Televoting
  92.03           .. (2 indent ) Having central station equipment
  92.04           .. (2 indent ) Having subscriber station equipment
  93.01           . (1 indent ) Having transmission of a digital message signal over a telephone line
  93.02           .. (2 indent ) Access restricting
  93.03           ... (3 indent ) Personal identification
  93.04           ... (3 indent ) Two or more calls
  93.05           .. (2 indent ) Terminal interface circuitry
  93.06           ... (3 indent ) Digital
  93.07           ... (3 indent ) To plural lines or networks
  93.08           .. (2 indent ) Transmission scheme (e.g., compression/decompression, transmission rate)
  93.09           .. (2 indent ) Switching between different terminal types (e.g., voice/data switch)
  93.11           ... (3 indent ) Among at least three terminal types
  93.12           .. (2 indent ) Sales, ordering, or banking system
  93.13           .. (2 indent ) Amusement (e.g., game, lottery)
  93.14           .. (2 indent ) Having switching station
  93.15           ... (3 indent ) Having format conversion
  93.17           .. (2 indent ) Having station display
  93.18           ... (3 indent ) Having tone code recognition for generating alphanumeric characters
  93.19           ... (3 indent ) Having pressure or position sensitive surface (e.g., touch-screen, light pen)
  93.21           ... (3 indent ) Having conferencing
  93.22           ... (3 indent ) At pay station
  93.23           ... (3 indent ) Having user information display (e.g., telephone number, name, address, etc.)
  93.24           ... (3 indent ) Having electronic mail
  93.25           ... (3 indent ) Having remote database (e.g., videotex system)
  93.26           .. (2 indent ) By voice frequency signal (e.g., tone code)
  93.27           ... (3 indent ) Alphanumeric
  93.28           ... (3 indent ) Modulated audio tone
  93.29           .... (4 indent ) Reconfigurable
  93.31           .... (4 indent ) Protocol
  93.32           .... (5 indent ) Initial setup
  93.33           .... (5 indent ) Having adjustable speed
  93.34           .... (5 indent ) Having recognition and selection
  93.35           .... (4 indent ) Having call-waiting
  93.36           .... (4 indent ) Line powered
  93.37           ... (3 indent ) Having acoustic link
  100.01           . (1 indent ) To produce visual-graphic copy (e.g., facsimile)
  100.02           .. (2 indent ) Having detachable device (e.g., detachable storage medium, scanner)
  100.03           .. (2 indent ) Usage system
  100.04           .. (2 indent ) Communication charge calculation
  100.05           .. (2 indent ) Monitoring
  100.06           .. (2 indent ) Communication status notification
  100.07           .. (2 indent ) Using mark sheet
  100.08           .. (2 indent ) Electronic mailbox
  100.09           .. (2 indent ) Relay system
  100.11           .. (2 indent ) From a library
  100.12           .. (2 indent ) Connection to plural networks or lines
  100.13           .. (2 indent ) Format conversion
  100.14           .. (2 indent ) Call signal generation (e.g., auto-dial)
  100.15           .. (2 indent ) Having switching to other communication modes
  100.16           ... (3 indent ) Voice mode
  100.17           .. (2 indent ) Transmission scheme
  101.01           . (1 indent ) Audio program distribution
  102.01           . (1 indent ) Remote control
  102.02           .. (2 indent ) Communication device
  102.03           ... (3 indent ) Entertainmemt appliance (e.g., TV, VCR, radio, etc.)
  102.04           ... (3 indent ) Power source
  102.05           .. (2 indent ) Of heating, ventilation, air conditioner (e.g., HVAC)
  102.06           .. (2 indent ) Of physical entrance or exit lock
  102.07           .. (2 indent ) Having indication
  106.01           . (1 indent ) Remote indication over telephone line (e.g., telemetry)
  106.02           .. (2 indent ) Patient monitoring
  106.03           .. (2 indent ) Meter reading
  106.04           ... (3 indent ) Having power supply circuitry
  106.05           ... (3 indent ) Having ringing suppression
  106.06           ... (3 indent ) Having time window
  106.07           ... (3 indent ) Having interrogation signal
  106.08           ... (3 indent ) Having line status detection
  106.09           .. (2 indent ) Ringing suppression
  106.11           .. (2 indent ) Interrogation signal
  108.01           . (1 indent ) Telegraphy
  108.02           .. (2 indent ) Over telephone line
  110.01           COMPOSITE SUBSTATION OR TERMINAL (E.G., HAVING CALCULATOR, RADIO)
  111           WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER)
  112.01           . (1 indent ) Call traffic recording by computer or control processor
  112.02           .. (2 indent ) Redundant processor or backup processor
  112.03           .. (2 indent ) Estimating blocking probability
  112.04           .. (2 indent ) Threshold or limiting control (e.g., gapping control)
  112.05           .. (2 indent ) Optimization network configuration
  112.06           .. (2 indent ) Generalized statistics about telephone network usage
  112.07           ... (3 indent ) Carrier usage data
  112.08           ... (3 indent ) Trunk or path usage data
  112.09           ... (3 indent ) Specialized exchange
  112.1           ... (3 indent ) Traffic rate for overload
  114.01           . (1 indent ) Call charge metering or monitoring
  114.02           .. (2 indent ) Least cost
  114.03           .. (2 indent ) Billing computing software or program
  114.04           .. (2 indent ) Charge error detection
  114.05           .. (2 indent ) Special service fees (e.g., customized feature)
  114.06           .. (2 indent ) Variable rate
  114.07           ... (3 indent ) Bandwidth
  114.08           ... (3 indent ) Traffic
  114.09           ... (3 indent ) Time controlled
  114.1           .. (2 indent ) Incentive billing
  114.11           ... (3 indent ) Gaming
  114.12           ... (3 indent ) Discount or bargaining
  114.13           ... (3 indent ) Advertisement
  114.14           .. (2 indent ) Fraud detection or control
  114.15           .. (2 indent ) Calling card
  114.16           ... (3 indent ) Recharging or replenishing an account or calling card
  114.17           ... (3 indent ) Monitoring account or card usage balance
  114.18           ... (3 indent ) Having complementary item (e.g., novelty)
  114.19           ... (3 indent ) Credit card
  114.2           ... (3 indent ) Pre-paid calling account or card
  114.21           .. (2 indent ) Redirect billing
  114.22           ... (3 indent ) Split billing or cost sharing
  114.23           ... (3 indent ) Third party billing
  114.24           ... (3 indent ) 1-800 billing
  114.25           ... (3 indent ) 1-900 billing
  114.26           ... (3 indent ) Based on unique account code
  114.27           .. (2 indent ) Portable number billing
  114.28           .. (2 indent ) Advanced intelligent billing network (e.g., a billing service control processor)
  114.29           ... (3 indent ) Using more than one advanced intelligent elements (e.g., accessing multiple AIN databases)
  115.01           .. (2 indent ) Interexchange billing operation
  115.02           ... (3 indent ) Long distance billing
  115.03           ... (3 indent ) Interfacing with foreign exchange
  116           ... (3 indent ) Hardcopy record generating
  117           .. (2 indent ) Of station on polystation or party line
  118           ... (3 indent ) Identification of station
  119           .. (2 indent ) Hardcopy record generating (e.g., ticket printing)
  120           ... (3 indent ) With line identification or class of service determination
  121.01           .. (2 indent ) At local exchange carrier (e.g., central switching office)
  121.02           ... (3 indent ) Discount charge rate or billing plan
  121.03           ... (3 indent ) Multiple billing account
  121.04           ... (3 indent ) Detail of call history and rates database
  121.05           .... (4 indent ) Call record modification
  121.06           ... (3 indent ) Having network terminating point receiving registration from subscriber terminal
  122           ... (3 indent ) With display
  123           ... (3 indent ) Paystation (e.g., escrow control)
  124           ... (3 indent ) Pulse counting or accumulating (e.g., "message metering")
  125           .... (4 indent ) Local or zone
  126           .... (4 indent ) Assembling billing record (e.g., automatic message account (AMA), call detail record (CDR), etc.)
  127.01           .... (5 indent ) Having line identification associated with call billing (e.g., automatic number identification (ANI)
  127.02           ..... (6 indent ) Fraud control or billing restriction
  127.03           ..... (6 indent ) Billing code or trigger code
  127.04           ..... (6 indent ) Pricing a call made from different account (e.g., calling card, credit card)
  127.05           ..... (6 indent ) Billing option selection
  127.06           ..... (6 indent ) Having terminal identification
  128           .... (4 indent ) Time of day controlled
  129           ... (3 indent ) Manually set (e.g., key and lock)
  130           .. (2 indent ) At subscriber station
  131           ... (3 indent ) Time controlled
  132           .... (4 indent ) Paystation (e.g., escrow control)
  133           . (1 indent ) Call traffic recording or monitoring
  134           .. (2 indent ) At central station
  135           ... (3 indent ) With hardcopy record generation (e.g., ticket printing)
  136           ... (3 indent ) With display
  137           ... (3 indent ) Trunk usage (e.g., peg count)
  138           .... (4 indent ) All trunks busy metering
  139           ... (3 indent ) Counting the number of completed connections
  140           .. (2 indent ) At subscriber
  141           ... (3 indent ) Mechanical register
  142.01           RECEPTION OF CALLING INFORMATION AT SUBSTATION IN WIRELINE COMMUNICATIONS SYSTEM
  142.02           . (1 indent ) Blocking caller ID transmission
  142.03           .. (2 indent ) Using a trigger code
  142.04           . (1 indent ) Extracting call ID from transmitted signal
  142.05           .. (2 indent ) Authentication or authorization
  142.06           .. (2 indent ) Matching and retrieving stored caller ID information from a database
  142.07           . (1 indent ) Routing an incoming call on multiple lines to a particular appliance (e.g., facsimile, computer, or telephone)
  142.08           . (1 indent ) Call waiting associated with caller ID information
  142.09           . (1 indent ) Non-assigned telephone number indication
  142.1           . (1 indent ) Caller location indication (e.g., city, state, etc.)
  142.11           . (1 indent ) Caller local time indication
  142.12           . (1 indent ) Including master-slave modules, parent-child terminals, or controller-adjunct units
  142.13           . (1 indent ) Adaptive module coupled to telephone line or telephone device
  142.14           .. (2 indent ) Format conversion
  142.15           . (1 indent ) Connecting to an external information processing terminal (e.g., computer)
  142.16           . (1 indent ) Having broadband premise equipment (e.g., TV)
  142.17           . (1 indent ) Having display unit
  142.18           . (1 indent ) Including DTMF signal
  143           WITH CHECK OPERATED CONTROL (E.G., PAYSTATION)
  144.01           . (1 indent ) Other than coin
  144.02           .. (2 indent ) Collect calling from payphone
  144.03           .. (2 indent ) Fraud detection in payphone
  144.04           .. (2 indent ) Card reader
  144.05           .. (2 indent ) Payphone service associated or integrated with other communication device (e.g., computer, fax, etc.)
  144.06           .. (2 indent ) Special circuitry for processing accounting data
  144.07           .. (2 indent ) Information message notification at paystation
  144.08           ... (3 indent ) Visual display
  145           . (1 indent ) Fraud or interference prevention
  146           . (1 indent ) Coin signalling or control
  147           .. (2 indent ) Coin box audit or totalizer
  148           .. (2 indent ) Denomination
  149           .. (2 indent ) Post-pay coin collection
  150           .. (2 indent ) Coin disposition (i.e., return or collection)
  151           ... (3 indent ) Upon connection to called station
  152           ... (3 indent ) Magnet, electromagnet, or relay controlled from central office
  153           ... (3 indent ) Paystation (e.g., controlled by refund key)
  154           . (1 indent ) At central office
  155           . (1 indent ) At terminal station (e.g., coin paystation)
  156           MULTI-LINE OR KEY SUBSTATION SYSTEM WITH SELECTIVE SWITCHING AND CENTRAL SWITCHING OFFICE CONNECTION
  157           . (1 indent ) With special service
  158           .. (2 indent ) Conferencing
  159           . (1 indent ) With intercom system
  160           .. (2 indent ) With connection of intercom station to subscriber line
  161           . (1 indent ) With exclusion or priority feature (e.g., lockout or privacy)
  162           . (1 indent ) Detail of hold circuitry
  163           .. (2 indent ) Electronic
  164           . (1 indent ) Line status indication or call alerting
  165           . (1 indent ) Switching or supervision feature (e.g., common control, digital)
  166           . (1 indent ) Detail of line circuit or line card
  167.01           PRIVATE (E.G., HOUSE OR INTERCOM) OR SINGLE LINE SYSTEM
  167.02           . (1 indent ) At collective house
  167.03           . (1 indent ) At booth (e.g., at theater, gas station, etc.)
  167.04           .. (2 indent ) Having intercom switch
  167.05           . (1 indent ) Doorbell system
  167.06           .. (2 indent ) Having access code
  167.07           .. (2 indent ) Having remote controlling station (e.g., gate guard or attendant)
  167.08           .. (2 indent ) Call addressing or announcing
  167.11           .. (2 indent ) Having connection to telephone line
  167.12           .. (2 indent ) Having display
  167.13           . (1 indent ) Having telephone adaptor system
  167.14           . (1 indent ) Two-way voice channel
  167.15           . (1 indent ) Having transducer circuitry
  168           . (1 indent ) Lockout
  169           .. (2 indent ) Central power source
  170           . (1 indent ) With paging
  171           . (1 indent ) Having plural stations with selective calling (e.g., master)
  172           .. (2 indent ) With call addressing
  173           . (1 indent ) With call addressing
  174           . (1 indent ) Including body or apparel supported terminal (e.g., headgear)
  175           .. (2 indent ) For underwater use (e.g., in diver's suit)
  176           . (1 indent ) With central power source
  177           POLYSTATION LINE SYSTEM (I.E., PARTY LINE)
  178           . (1 indent ) Revertive call
  179           . (1 indent ) Call alerting (e.g., ringing)
  180           .. (2 indent ) Full selective or tuned (e.g., harmonic)
  181           .. (2 indent ) Semi-selective (e.g., line side, polarized)
  182           . (1 indent ) Automatic or unattended
  183           .. (2 indent ) Station identification
  184           .. (2 indent ) Lockout
  185           . (1 indent ) Portable or mobile
  186           . (1 indent ) Central power source
  187           . (1 indent ) Connected to central office
  188           CALL OR TERMINAL ACCESS ALARM OR CONTROL
  189           . (1 indent ) Fraud or improper use mitigating or indication (e.g., "blue box", "black box")
  190           . (1 indent ) Time out
  191           .. (2 indent ) At switching center
  192           ... (3 indent ) Of call duration (e.g., conversation timer)
  193           ... (3 indent ) Of specific equipment
  194           . (1 indent ) Lockout or double use signalling
  195           .. (2 indent ) In automatic system
  196           . (1 indent ) At switching center
  197           .. (2 indent ) Central office
  198           .. (2 indent ) PBX
  199           . (1 indent ) At substation
  200           .. (2 indent ) Restrictive dialing circuit
  201.01           SPECIAL SERVICES
  201.02           . (1 indent ) Service profile (e.g., calling service)
  201.03           .. (2 indent ) Creation of service (e.g., using object oriented programming, primitive, function)
  201.04           .. (2 indent ) Display arrangement
  201.05           .. (2 indent ) Distribution of service (e.g., downloading, uploading)
  201.06           . (1 indent ) Locating using diverse technology (e.g., using infrared badge, sensor, card reader)
  201.07           .. (2 indent ) Called party
  201.08           .. (2 indent ) Calling party
  201.09           .. (2 indent ) Object
  201.1           .. (2 indent ) Detecting presence or absence of party or object
  201.11           . (1 indent ) Anonymous party (e.g., protection of called or calling party's identity, privacy)
  201.12           . (1 indent ) Provisioning
  202.01           . (1 indent ) Conferencing
  203.01           .. (2 indent ) Operator control
  204.01           .. (2 indent ) Subscriber control
  205.01           ... (3 indent ) Conferencing initiation by single calling station
  206.01           .. (2 indent ) At substation
  207.01           . (1 indent ) Three-way calling
  207.02           . (1 indent ) Service trigger (activation or deactivation)
  207.03           .. (2 indent ) Time (e.g., time of day, expiration of time period, time zone, date)
  207.04           .. (2 indent ) Line or loop condition
  207.05           ... (3 indent ) Busy signal (e.g., off hook)
  207.06           ... (3 indent ) Transition from off-hook to on-hook (e.g., busy to idle, hook flash)
  207.07           ... (3 indent ) Transition from on-hook to off-hook (e.g., idle to busy)
  207.08           ... (3 indent ) No answer (e.g., ringing signal, on-hook, idle)
  207.09           .... (4 indent ) Number of rings
  207.1           .... (4 indent ) Expiration of predetermined time period
  207.11           .. (2 indent ) Service access code
  207.12           .. (2 indent ) Party location
  207.13           .. (2 indent ) Party identification or validation (e.g., personal identification number (PIN))
  207.14           .. (2 indent ) Dialed number identification service (DNIS)
  207.15           .. (2 indent ) Automatic number identification or calling number identification (ANI or CLID)
  207.16           .. (2 indent ) Ringing signal (e.g. having a predetermined cadence or distinctive ring)
  208.01           . (1 indent ) Priority override (e.g., butt-in)
  209.01           . (1 indent ) Repetitive call attempts (e.g., camp-on-busy, retry)
  210.01           . (1 indent ) Reserved call (e.g., return call, call back, scheduled call, reestablished call)
  210.02           . (1 indent ) Call blocking
  210.03           .. (2 indent ) Call from anonymous caller
  211.01           . (1 indent ) Call diversion (e.g., call capture)
  211.02           .. (2 indent ) Call forwarding
  211.03           ... (3 indent ) Sequential ringing
  211.04           ... (3 indent ) Simultaneous ringing
  211.05           ... (3 indent ) Smart card
  212.01           .. (2 indent ) Call transfer
  213.01           .. (2 indent ) Intercept (e.g., dead or changed number)
  214.01           .. (2 indent ) Secretarial or answering service
  215.01           . (1 indent ) Call Waiting
  216.01           . (1 indent ) Abbreviated dialing or direct call (e.g., hot line)
  217.01           . (1 indent ) Audible paging
  218.01           . (1 indent ) Automatic directory service (e.g., on-line)
  218.02           . (1 indent ) Performed by operator (e.g., butt-in, busy verification)
  219           PLURAL EXCHANGE NETWORK OR INTERCONNECTION
  220.01           . (1 indent ) With interexchange network routing
  221.01           .. (2 indent ) Alternate routing
  221.02           ... (3 indent ) Service provider selection (e.g., local or long distance, primary and alternate carriers)
  221.03           ... (3 indent ) Failure (e.g., disaster, overload, blockage)
  221.04           .... (4 indent ) Restoration (e.g., backup, recovery)
  221.05           .. (2 indent ) Based upon historical data
  221.06           .. (2 indent ) Algorithm (e.g., software, computer program)
  221.07           ... (3 indent ) Parameter optimization or enhancement (e.g., capacity or bandwidth)
  221.08           .. (2 indent ) Advanced intelligent network (AIN)
  221.09           ... (3 indent ) Service control point (SCP, ISCP, external database)
  221.1           ... (3 indent ) Signal transfer point (STP, ISTP)
  221.11           ... (3 indent ) Adjunct or intelligent peripheral (IP)
  221.12           ... (3 indent ) Service switching point (SSP)
  221.13           .. (2 indent ) Local number portability (LNP)
  221.14           . (1 indent ) Routing parameter (e.g., area code, address, service provider identifier)
  221.15           . (1 indent ) Connection call model (e.g., virtual network, displayed models)
  222           . (1 indent ) Toll center
  223           .. (2 indent ) With operator assistance
  224           . (1 indent ) Tandem switching center
  225           . (1 indent ) Multi-PBX interconnection
  226           . (1 indent ) Having a manual exchange
  227           .. (2 indent ) With an automatic exchange
  228           ... (3 indent ) Having signalling to operator
  229           . (1 indent ) Interexchange signalling
  230           .. (2 indent ) Signalling path distinct from trunk (e.g., CCIS)
  231           .. (2 indent ) Central office-to-PBX signalling
  232           ... (3 indent ) PBX trunk groups
  233           ... (3 indent ) Direct inward dialing
  234           .. (2 indent ) PBX to central office signalling (e.g., direct outward dialing)
  235           .. (2 indent ) Voice frequency signalling over trunk
  236           .. (2 indent ) D.C. signalling over trunk
  237           ... (3 indent ) Pulse or digital signalling
  238           .... (4 indent ) Having signalling repeater
  239           .... (4 indent ) Using register-sender
  240           .. (2 indent ) Interexchange trunk circuit
  241           ... (3 indent ) Glare or simultaneous seizure mitigation
  242           CENTRALIZED SWITCHING SYSTEM
  243           . (1 indent ) Class of service determination or transmission
  244           .. (2 indent ) In common control system
  245           . (1 indent ) Identification
  246           .. (2 indent ) Of line or trunk
  247           ... (3 indent ) With display
  248           ... (3 indent ) Using matrix
  249           ... (3 indent ) For nuisance call mitigation
  250           . (1 indent ) Four-wire switching
  251           . (1 indent ) With generating of call associated substation signal
  252           .. (2 indent ) For alerting signal at called station (e.g., ringing)
  253           ... (3 indent ) Electronic
  254           ... (3 indent ) Associated with connector
  255           ... (3 indent ) With interrupter
  256           .. (2 indent ) Having automatic or through ringing
  257           .. (2 indent ) For calling station (e.g., status or progress tones)
  265.01           . (1 indent ) Call distribution to operator
  265.02           .. (2 indent ) Automatic call distributor (ACD) system
  265.03           ... (3 indent ) Reporting status (e.g., supervisory reporting)
  265.04           .... (4 indent ) Log-on or log-off of agent
  265.05           .... (4 indent ) Agent assignment (e.g., allocation of agent's time to a specific task)
  265.06           .... (4 indent ) Monitoring agent performance (e.g., quality of agent's performance)
  265.07           .... (5 indent ) Speech of agent or customer (e.g., talk time)
  265.08           .... (5 indent ) Average call length
  265.09           ... (3 indent ) Having a multimedia feature (e.g., connected to Internet, E-mail, etc.)
  265.1           ... (3 indent ) Predictive (e.g., anticipating next available agent)
  265.11           ... (3 indent ) Routing to available agent
  265.12           .... (4 indent ) Based on agent's skill (e.g., language spoken by agent)
  265.13           .... (4 indent ) Based on type of call
  265.14           .... (4 indent ) Based on time (e.g., longest waiting agent)
  266.01           ... (3 indent ) Call or agent queuing
  266.02           .... (4 indent ) Based on type of call
  266.03           .... (4 indent ) Based on time (e.g., age of queued call, time of day, date)
  266.04           .... (4 indent ) Overflow (e.g., queue-to-queue, ACD-to-ACD)
  266.05           .... (4 indent ) Split
  266.06           .... (4 indent ) Estimating or reporting waiting time
  266.07           ... (3 indent ) Call campaign (e.g., script, application, inbound/outbound balancing)
  266.08           .... (4 indent ) Predictive algorithm
  266.09           ... (3 indent ) Home agent
  266.1           ... (3 indent ) Call record
  258           . (1 indent ) Switching controlled in response to called station addressing signal
  259           .. (2 indent ) Including deflected electron beam switching device or mechanical or optical switching control (e.g., fluidic)
  260           .. (2 indent ) With operator position or completion of call (e.g., dial "O", semiautomatic)
  261           ... (3 indent ) Operator controlled register-sender
  262           ... (3 indent ) Call extension by operator
  263           .... (4 indent ) With call indicator or announcer
  264           .... (4 indent ) A to B operator
  267           ... (3 indent ) Operator's console
  268           .. (2 indent ) Having shared or common switching control
  269           ... (3 indent ) Distributed control
  270           ... (3 indent ) In-stage or interstage scanning (e.g., link scanning)
  271           ... (3 indent ) Having multistage switching
  272           .... (4 indent ) Path selection or routing
  273           .... (5 indent ) Alternate routing
  274           ..... (6 indent ) With busy or idle test
  275           .... (5 indent ) Including marking circuit
  276           ..... (6 indent ) End-to-end marking (e.g., self-seeking)
  277           .... (5 indent ) With busy or idle test
  278           .... (4 indent ) Interstage junctor or "trunk"
  279           ... (3 indent ) Control reliability (e.g., redundancy)
  280           ... (3 indent ) Including registering or storing device for call address signal
  281           .... (4 indent ) Conversion between dial pulse and voice frequency signal
  282           .... (4 indent ) Voice frequency receiver
  283           .... (5 indent ) Dual tone multifrequency (DTMF) receiver
  284           .... (4 indent ) With processor
  285           .... (4 indent ) With magnetic memory
  286           .... (4 indent ) Signal processing (e.g., dial pulse analysis)
  287           .... (4 indent ) Electronic
  288           .... (4 indent ) Register-sender
  289           ... (3 indent ) Translator
  290           ... (3 indent ) With time division of control or supervisory signals
  291           ... (3 indent ) With detail of crosspoint switching structure (e.g., crossbar)
  292           .... (4 indent ) Electronic crosspoint (e.g., solid-state)
  293           .. (2 indent ) Having line finder
  294           ... (3 indent ) Including electronic element (e.g., tube or semiconductor)
  295           ... (3 indent ) Plural
  296           .. (2 indent ) With repeater
  297           .. (2 indent ) Having specified busy-idle test
  298           .. (2 indent ) Direct control
  299           ... (3 indent ) Step-by-step system
  300           .... (4 indent ) Having plural wiper sets
  301           .... (4 indent ) Having potential control
  302           .... (4 indent ) Having rotary switch
  303           .... (4 indent ) Coordinate system (e.g., X-Y)
  304           ... (3 indent ) All relay type
  305           ... (3 indent ) Having motor-driven switch
  306           .. (2 indent ) With crosspoint switch detail
  307           .. (2 indent ) With power supply
  308           . (1 indent ) Switching apparatus for connecting calling line to operator's position
  309           .. (2 indent ) Call distribution or queuing
  310           . (1 indent ) Divided central (e.g., communication between switchboards)
  311           .. (2 indent ) Having signalling path feature
  312           . (1 indent ) Having multiple answering jacks for multiplied line
  313           . (1 indent ) Multiple section switchboard
  314           .. (2 indent ) Auxiliary (e.g., overflow)
  315           . (1 indent ) With line-signal control
  316           .. (2 indent ) Spring-jack cut-off
  317           .. (2 indent ) Relay cut-off
  318           .. (2 indent ) Central power source
  319           . (1 indent ) Single switchboard (e.g., cord circuit)
  320           .. (2 indent ) Switchboard circuit
  321           ... (3 indent ) Connection to operator's terminal
  322           . (1 indent ) Power supply
  323           .. (2 indent ) Power to switching equipment
  324           .. (2 indent ) Central power source (e.g., common battery, line current feed)
  325           . (1 indent ) Structure of equipment
  326           .. (2 indent ) Wire or cable distribution
  327           ... (3 indent ) Main or intermediate distribution frame
  328           .. (2 indent ) Equipment mounting or support
  329           ... (3 indent ) Allowing movement of equipment (e.g., movable, modular)
  330           .. (2 indent ) Housing
  331           . (1 indent ) Having protective circuit
  332           . (1 indent ) Plug and socket
  333           CONCENTRATOR OR TRUNK SELECTOR
  334           . (1 indent ) Concentrator-distributor pair (e.g., line concentrator)
  335           . (1 indent ) Using crossbar or crosspoint switching
  336           . (1 indent ) With magnet, electromagnet, or relay
  337           . (1 indent ) With busy-idle test (e.g., idle trunk finder)
  338           REPEATER (E.G., VOICE FREQUENCY)
  339           . (1 indent ) With signal conversion (e.g., dial to DTMF, analog to PCM)
  340           . (1 indent ) Having line length compensation or equalization
  341           . (1 indent ) Pulse or tone repeater (e.g., electromechanical relay)
  342           .. (2 indent ) Electronic (e.g., logic circuitry)
  343           . (1 indent ) Controlled by a pilot or reference signal
  344           . (1 indent ) Component processes bidirectional signals
  345           .. (2 indent ) Including two-to-four wire conversion or hybrid circuit
  346           . (1 indent ) With frequency discriminator or negative impedance element
  347           . (1 indent ) With gain or attenuation control
  348           . (1 indent ) Transmission of power to distant repeater
  349           . (1 indent ) Having voice frequency transformer
  406.01           ECHO CANCELLATION OR SUPPRESSION
  406.02           . (1 indent ) Combined diverse function
  406.03           .. (2 indent ) Additional signal enhancement (e.g., voice processing or recognition)
  406.04           . (1 indent ) Disable or inhibit function
  406.05           . (1 indent ) Residual echo cancellation
  406.06           . (1 indent ) Using digital signal processing
  406.07           .. (2 indent ) Using attenuator
  406.08           .. (2 indent ) Adaptive filtering
  406.09           ... (3 indent ) Least mean squares (LMS) algorithm
  406.1           ... (3 indent ) With training sequence
  406.11           .. (2 indent ) Convolution processing
  406.12           .. (2 indent ) Frequency domain analysis
  406.13           ... (3 indent ) Fourier analysis
  406.14           ... (3 indent ) Sub-band analysis
  406.15           .. (2 indent ) Additional analog processing
  406.16           . (1 indent ) Having analog variolosser or attenuator
  350           SUPERVISORY OR CONTROL LINE SIGNALING
  351           . (1 indent ) Signalling integrity protection (e.g., voice signal immunity)
  352           . (1 indent ) Substation originated
  353           .. (2 indent ) Conversion of signal form
  354           .. (2 indent ) With called number display
  355.01           .. (2 indent ) Repertory or abbreviated call signal generation
  355.02           ... (3 indent ) Call address signal stored in terminal
  355.03           .... (4 indent ) Including terminal other than telephone
  355.04           ... (3 indent ) Call address signal stored in network
  355.05           ... (3 indent ) Modification of call address signal for abbreviated dialing
  355.06           .... (4 indent ) Modification by other than key input
  355.07           .... (4 indent ) Including modification of indicia associated with a call address
  355.08           ... (3 indent ) Including prefix in the call address signal
  355.09           ... (3 indent ) Selection of registered call address signal
  355.1           .... (4 indent ) Selection of multiple call address signals
  356.01           ... (3 indent ) Including dynamic memory
  357.01           ... (3 indent ) Insertable control element or circuitry (e.g., card)
  357.02           .... (4 indent ) Personal computer memory card (PCMCIA)
  357.03           ... (3 indent ) Acoustical generation
  357.04           ... (3 indent ) Circuitry of call signal generator
  357.05           ... (3 indent ) Including solid state memory storage
  358           ... (3 indent ) By motor driven dial rotating device
  359           ... (3 indent ) Pulse signal generating (e.g., dialing)
  360           .. (2 indent ) Voice frequency band signalling (e.g., reed devices)
  361           ... (3 indent ) Electronic (e.g., tone generator)
  362           .. (2 indent ) Pulse signal generator (e.g., rotary dial)
  363           ... (3 indent ) Control of motor driven dial rotating device
  364           ... (3 indent ) With nonrotary actuator (e.g., key or slide type)
  365           ... (3 indent ) Specified switching contact (e.g., contact spring)
  366           ... (3 indent ) With detail of dial return mechanism (e.g., driving spring, speed governor)
  367           ... (3 indent ) Finger wheel or mechanical adjunct (e.g., finger stop)
  368           .. (2 indent ) Plural-switch number input device (e.g., keypad)
  369           .. (2 indent ) Detail of mounting of switch pad or dial
  370           ... (3 indent ) In handset
  371           .. (2 indent ) Magneto signalling
  372           . (1 indent ) Signal reception at substation
  373.01           .. (2 indent ) Incoming call alerting
  373.02           ... (3 indent ) Distinctive or selective alerting
  373.03           .... (4 indent ) Registration of alerting signal in association with incoming signal
  373.04           .... (5 indent ) Recording audio for use as the alerting signal
  373.05           .... (4 indent ) Directing incoming call to local appliance
  374.01           ... (3 indent ) Including musical sound generation
  374.02           ... (3 indent ) Including audible message generation
  374.03           ... (3 indent ) Alerting by other than sight or sound (e.g., vibration)
  375.01           ... (3 indent ) Having electronic call sounder (e.g., tone "ringer")
  376.01           ... (3 indent ) Visual indication of incoming call (e.g., LED or light bulb)
  376.02           .. (2 indent ) Silencing ring signal
  377           . (1 indent ) Using line or loop condition detection (e.g., line circuit)
  378           .. (2 indent ) With current controlling electromagnetic core device (e.g., Hall-effect device)
  379           .. (2 indent ) With optical link between line and switching system
  380           .. (2 indent ) By bridge circuit
  381           .. (2 indent ) Busy test or make busy
  382           .. (2 indent ) For ring trip or polarity reversal detection
  383           .. (2 indent ) Of plural lines
  384           ... (3 indent ) By scanning
  385           .. (2 indent ) Relayless
  386           . (1 indent ) Signal receiver (e.g., tone decoder)
  387.01           SUBSTATION OR TERMINAL CIRCUITRY
  387.02           . (1 indent ) Conversion of signal form (e.g., A/D, frequency or phase)
  388.01           . (1 indent ) For loudspeaking terminal
  388.02           .. (2 indent ) Speakerphone with build-in microphone
  388.03           ... (3 indent ) Automatic gain or volumn (AGC or AVC)
  388.04           .. (2 indent ) Voice control of transmission direction
  388.05           ... (3 indent ) Voice switching by attenuation/amplification
  388.06           ... (3 indent ) Comparing signal level of receiving and transmitting circuits
  388.07           ... (3 indent ) Controlling acoustic feedback
  390.01           .. (2 indent ) Amplification or attenuation level control
  390.02           ... (3 indent ) Filtering (FIR, HPF, Widrow-Hoff, LMS)
  390.03           ... (3 indent ) Automatic gain control
  390.04           ... (3 indent ) Hybrid circuit
  391           . (1 indent ) Sidetone control or hybrid circuit (e.g., induction coil)
  392           .. (2 indent ) Suppression (e.g., antisidetone)
  392.01           . (1 indent ) Noise suppression
  393           . (1 indent ) Hold circuit
  394           . (1 indent ) Impedance matching or line equalizing
  395           . (1 indent ) Amplifying (e.g., AGC or AVC)
  395.01           . (1 indent ) Power control or detection circuit
  396           . (1 indent ) Visual signalling (e.g., lamp)
  397           . (1 indent ) Wire distribution
  398           LINE EQUALIZATION OR IMPEDANCE MATCHING
  399.01           SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE
  399.02           . (1 indent ) Circuitry to provide a coder and decoder function
  400           . (1 indent ) For line length compensation
  401           .. (2 indent ) Voltage boosting circuit
  402           . (1 indent ) Hybrid circuit
  403           .. (2 indent ) With adjustable balance circuit
  404           ... (3 indent ) Automatic adjustment
  405           .. (2 indent ) Electronic noninductive
  412           . (1 indent ) Protective circuit
  413           . (1 indent ) Power supply (e.g., battery feed)
  413.01           .. (2 indent ) Circuitry to provide ringing current supply
  413.02           . (1 indent ) Network interface device (NLD)
  413.03           .. (2 indent ) Including connection for alternate communication line (e.g., cable)
  413.04           .. (2 indent ) Connection block or module
  414           TRANSMISSION LINE CONDITIONING
  415           . (1 indent ) Reactance neutralizing
  416           . (1 indent ) Interference suppression
  417           .. (2 indent ) Anticrosstalk
  418           CALL SIGNAL GENERATING (E.G., RINGING OR TONE GENERATOR)
  419           TERMINAL
  420.01           . (1 indent ) Having loudspeaking conversation capability (e.g., hands- free type or speakerphone)
  420.02           .. (2 indent ) Hands-free loudspeaker feature
  420.03           .. (2 indent ) Hands-free microphone feature
  420.04           .. (2 indent ) Hands-free accesory or attachment
  421           . (1 indent ) Having muting
  422           . (1 indent ) Switch or switch actuator structure
  423           .. (2 indent ) Line selection
  424           .. (2 indent ) Receiver or handset position responsive (e.g., hookswitch)
  425           ... (3 indent ) With mechanism for latching hookswitch or plunger against motion
  426           ... (3 indent ) Movable holder for receiver or handset
  427           ... (3 indent ) Having plunger and lever linkage
  428.01           . (1 indent ) Housing or housing component
  428.02           .. (2 indent ) Handset or headset combined with telephone base
  428.03           .. (2 indent ) Display on telephone base
  428.04           .. (2 indent ) Base having detachable accessory
  429           .. (2 indent ) Having distinct circuitry support structure (e.g., circuit board)
  430           .. (2 indent ) Body supported (e.g., headgear)
  431           .. (2 indent ) Separate housings for earphone and microphone (e.g., candlestick type)
  433.01           .. (2 indent ) Handset structure
  433.02           ... (3 indent ) Speaker mounting (i.e., speaker phone feature)
  433.03           ... (3 indent ) Microphone mounting
  433.04           ... (3 indent ) Display on handset
  433.05           ... (3 indent ) Connector
  433.06           ... (3 indent ) Button or switch having specific function
  433.07           .... (4 indent ) Keypad
  433.08           ... (3 indent ) Battery
  433.09           ... (3 indent ) Card (e.g., SIM or magnetic strip card)
  433.1           ... (3 indent ) Handset having special feature (e.g., wrist watch)
  433.11           ... (3 indent ) Moveable or removeable element (e.g., cover)
  433.12           .... (4 indent ) Slideable mechanism
  433.13           .... (4 indent ) Rotatable mechanism (e.g., hinge)
  432           .. (2 indent ) Loudspeaking set
  434           .. (2 indent ) Specified terminal configuration (e.g., novelty type)
  435           .. (2 indent ) Wall set or convertible type
  436           .. (2 indent ) Desk set
  437           .. (2 indent ) Protective structure
  438           ... (3 indent ) Of cord or connector
  439           ... (3 indent ) Antiseptic
  440           .. (2 indent ) Casing or enclosure, per se
  441           TERMINAL ACCESSORY OR AUXILIARY EQUIPMENT
  442           . (1 indent ) With circuit connection to terminal
  443           . (1 indent ) Including coupler (e.g., inductive)
  444           .. (2 indent ) Acoustic
  445           . (1 indent ) Locking device
  446           . (1 indent ) Telephone receiver support
  447           . (1 indent ) Attachable to terminal housing
  448           .. (2 indent ) Hookswitch operator
  449           .. (2 indent ) Handset holder (e.g., shoulder rest)
  450           .. (2 indent ) Clips onto terminal structure
  451           . (1 indent ) Protective structure
  452           .. (2 indent ) Antiseptic, disinfecting, or disposable
  453           . (1 indent ) Hood or enclosure (e.g., booth)
  454           . (1 indent ) Support or stand
  455           .. (2 indent ) Handset holder
  456           . (1 indent ) Dialing tool
  457           MISCELLANEOUS
 
 CROSS-REFERENCE ART COLLECTIONS
 
  900           INTERNET (E.G., INTERNET PHONE, WEBPHONE, INTERNET-BASED TELEPHONY)
  901           VIRTUAL NETWORKS OR VIRTUAL PRIVATE NETWORKS
  902           AUTO-SWITCH FOR AN INCOMING VOICE DATA, OR FAX TELEPHONE CALL (E.G., COMP/FAX/TEL)
  903           PASSWORD
  904           AUTO-CALLING
  905           FAX MAIL
  906           TOUCHTONE MESSAGE TRANSMISSION
  907           SPEECH RECOGNITION VIA TELEPHONE SYSTEM OR COMPONENT
  908           MULTIMEDIA
  909           ALTERNATIVES
  910           BAR CODE OR OPTICAL CHARACTER READER WITH TELEPHONE
  911           DISTINCTIVE RINGING
  912           GEOGRAPHICALLY ADAPTIVE
  913           PERSON LOCATOR OR PERSON-SPECIFIC
  914           PROGRAMMABLE TELEPHONE COMPONENT
  915           . (1 indent ) "Soft" key
  916           TOUCH SCREEN ASSOCIATED WITH TELEPHONE SET
  917           VOICE MENUS
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS
 Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
 
  FOR100           HAVING NEAR FIELD LINK (E.G., CAPACITIVE, INDUCTIVE) (379/55)
  FOR101           HAVING ELECTROMAGNETIC LINK FOR SPEECH OR PAGING SIGNAL (E.G., LIGHT WAVE LINK) (379/56)
  FOR112           TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) (379/90)
  FOR113           . (1 indent ) Credit authorization (379/91)
  FOR114           . (1 indent ) Polling (e.g., audience survey) (379/92)
  FOR115           . (1 indent ) With transmission of a digital message signal over a telephone line (379/93)
  FOR116           .. (2 indent ) Including switching station (379/94)
  FOR117           .. (2 indent ) Access restricting (379/95)
  FOR118           .. (2 indent ) Including terminal for display of digital information (379/96)
  FOR119           .. (2 indent ) By voice frequency signal (e.g., tone code) (379/97)
  FOR120           ... (3 indent ) By modulated audio tone (379/98)
  FOR121           ... (3 indent ) Having acoustic link (379/99)
  FOR122           . (1 indent ) To produce visual-graphic copy reproduction (e.g., facsimile) (379/100)
  FOR123           . (1 indent ) Audio program distribution (379/101)
  FOR124           . (1 indent ) Remote control (379/102)
  FOR125           .. (2 indent ) Of entrance or exit lock (379/103)
  FOR126           .. (2 indent ) With indication (379/104)
  FOR127           .. (2 indent ) From terminal (379/105)
  FOR128           . (1 indent ) Remote indication over telephone line (e.g., telemetry) (379/106)
  FOR129           .. (2 indent ) Meter reading (379/107)
  FOR130           . (1 indent ) Telegraphy (379/108)
  FOR131           .. (2 indent ) Over telephone line (379/109)
  FOR132           COMPOSITE SUBSTATION OR TERMINAL (E.G., HAVING CALCULATOR, RADIO) (379/110)
  FOR133           WITH AUDIO MESSAGE STORAGE AND RETRIEVAL (379/67)
  FOR134           . (1 indent ) Stored in digital form (379/88)
  FOR135           .. (2 indent ) Subscriber control of central office message storage or retrieval (379/89)
  FOR136           . (1 indent ) DIAGNOSTIC TESTING, MALFUNCTION, INDICATION, OR ELECTRICAL CONDITION MEASUREMENT (379/1)
  FOR137           .. (2 indent ) By loopback (379/5)
  FOR138           .. (2 indent ) By analysis of injected tone signal (379/6)
  FOR139           .. (2 indent ) By automatic testing sequence (e.g., programmable, scanning) (379/10)
  FOR140           . (1 indent ) Of automatic switching equipment (379/15)
  FOR141           .. (2 indent ) Fault detection or location (e.g., continuity, leakage) (379/26)
  FOR142           . (1 indent ) Of subscriber loop or terminal (379/27)
  FOR143           .. (2 indent ) Terminal arrangement to enable remote testing (e.g., testing interface) (379/29)
  FOR144           . (1 indent ) Indication of nonstandard condition of telephone equipment (379/32)
  FOR145           .. (2 indent ) SERVICE MONITORING OR OBSERVATION (379/34)
  FOR146           . (1 indent ) Computer or processor control (379/112)
  FOR147           .. (2 indent ) Call traffic recording (379/113)
  FOR148           .. (2 indent ) Call charge metering or monitoring (379/114)
  FOR149           ... (3 indent ) Interexchange operations (379/115)
  FOR150           AT CENTRAL OFFICE (379/121)
  FOR151           . (1 indent ) Having line identification (e.g., automatic number identification-"ANI") (379/127)
  FOR152           WITH CALLING NUMBER DISPLAY OR RECORDING AT CALLED SUBSTATION (379/142)
  FOR153           . (1 indent ) Other than coin (379/144)
  FOR154           . (1 indent ) PRIVATE (E.G., HOUSE OR INTERCOM) OR SINGLE LINE SYSTEM (379/167)
  FOR155           . (1 indent ) SPECIAL SERVICES (379/201)
  FOR156           .. (2 indent ) Conferencing (379/202)
  FOR157           .. (2 indent ) Operator control (379/203)
  FOR158           . (1 indent ) Subscriber control (379/204)
  FOR159           .. (2 indent ) Conference initiation by single calling sation (379/205)
  FOR160           ... (3 indent ) At substation (379/206)
  FOR161           .... (4 indent ) At plural exchange (379/207)
  FOR162           .. (2 indent ) Priority override (e.g., butt-in) (379/208)
  FOR163           ... (3 indent ) Repetitive call attempts (e.g., camp-on-busy, retry) (379/209)
  FOR164           ... (3 indent ) Call diversion (e.g., call capture) (379/210)
  FOR165           .. (2 indent ) Call forwarding (379/211)
  FOR166           ... (3 indent ) Call transfer (379/212)
  FOR167           ... (3 indent ) Intercept (e.g., dead or changed number) (379/213)
  FOR168           ... (3 indent ) Secretarial or answering service (379/214)
  FOR169           .. (2 indent ) Call waiting (379/215)
  FOR170           . (1 indent ) Abbreviated dialing or direct call (e.g., hot line) (379/216)
  FOR171           .. (2 indent ) Audible paging (379/217)
  FOR172           .. (2 indent ) Performed by operator (e.g., butt-in, busy verification) (379/218)
  FOR173           . (1 indent ) With interexchange network routing (379/220)
  FOR174           . (1 indent ) Alternate routing (379/221)
  FOR175           .. (2 indent ) Call distribution to operator (379/265)
  FOR176           .. (2 indent ) Call queuing (379/266)
  FOR177           .. (2 indent ) Repertory or abbreviated call signal generation (379/355)
  FOR178           .. (2 indent ) With dynamic memory (379/356)
  FOR179           ... (3 indent ) Insertable control element or circuitry (e.g., card) (379/357)
  FOR180           . (1 indent ) Incoming call alerting (e.g., ringing) (379/373)
  FOR181           . (1 indent ) With music or audible message generation (379/374)
  FOR182           .. (2 indent ) With electronic call sounder (e.g., tone "ringer") (379/375)
  FOR183           ... (3 indent ) With visual indication of incoming call (379/376)
  FOR184           SUBSTATION OR TERMINAL CIRCUITRY (379/387)
  FOR185           . (1 indent ) For loudspeaking terminal (379/388)
  FOR186           .. (2 indent ) With circuitry for voice control of transmission direction (379/389)
  FOR187           .. (2 indent ) With amplification or attenuation level control (379/390)
  FOR188           SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE (379/399)
  FOR189           . (1 indent ) Echo suppresion, antisinging, or reverse path blocking (379/406)
  FOR190           .. (2 indent ) Disable or inhibit (379/407)
  FOR191           .. (2 indent ) Control by pilot frequency signal (379/408)
  FOR192           .. (2 indent ) Having variolosser or attenuator (379/409)
  FOR193           .. (2 indent ) Echo cancellation (e.g., phase opposition) (379/410)
  FOR194           ... (3 indent ) Having transversal filter (379/411)
  FOR195           . (1 indent ) Having loudspeaking conversation capability (e.g., hands-free type or speakerphone) (379/420)
  FOR196           . (1 indent ) Housing or housing component (379/428)
  FOR197           .. (2 indent ) Handset structure (379/433)


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