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| You are viewing a USPC Schedule. |
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| Class 379 | TELEPHONIC COMMUNICATIONS |
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![[List of Pre Grant Publications for class 379 subclass 1.01]](../as.gif) | ![[List of Patents for class 379 subclass 1.01]](../ps.gif) | 1.01 | DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT |
| | 1.02 |  Of audio message storage and retrieval |
| | 1.03 | Of data transmission |
| | 2 | Including fault responsive disconnection of tested component |
| | 3 | Of hybrid or echo suppressor or canceller |
| | 4 | Of repeater |
| | 7 | For detection of eavesdropping device |
| | 8 | With blocking of normal usage |
| | 9 | Of centralized switching system |
| | 9.01 |  Software compatibility |
| | 9.02 | Maintenance console |
| | 9.03 | Trouble ticket reporting |
| | 9.04 | Record or report generation |
| | 9.05 | Backup system |
| | 9.06 | Of line interface circuitry |
| | 14 | Of plural exchange network |
| | 10.01 | By automatic testing sequence |
| | 12 | With dedicated testing line or trunk |
| | 13 | Of call timing or charging equiment |
| | 15.01 | Of switching equipment or network element |
| | 15.02 |  Advanced intelligent network (AIN) |
| | 16 | Of switching path |
| | 17 | Of switching selector |
| | 18 | By use of call address signal |
| | 19 | Rapid manual connecting structure for test equipment |
| | 20 | Of switchboard element condition (e.g., lamp) |
| | 21 | Using portable test set (e.g., handset type) |
| | 22 | Of trunk or long line |
| | 22.01 | By loopback |
| | 22.02 | By analysis of injected tone signal |
| | 22.03 | Fault detection or fault location on telephone link (e.g., continuity, leakage) |
| | 22.04 | Of digital loop carrier |
| | 22.06 | Having special connector |
| | 22.07 | Telephone multiconducting wires (e.g., tip, ring and ground wires) |
| | 22.08 | Noise |
| | 23 | Of line signalling |
| | 24 | Electrical parameter measurement (e.g., attenuation) |
| | 25 | Conductor identification or location |
| | 26.01 | Testing of network terminating interface, subscriber trunk interface, or service function |
| | 27.01 | Testing of subscriber loop or terminal |
| | 27.02 | By generating call signal |
| | 27.03 | By analysis of testing signal |
| | 27.04 | By automatic testing sequence (e.g., programmable, test, script or test call generation program) |
| | 27.05 | Having protection circuit (e.g., surge or short circuit protector) |
| | 27.06 | Having electromechanical switch or relay |
| | 27.07 | Having plugging maintenance or test module |
| | 27.08 | Including sampling measurement technique |
| | 28 | Of data transmission instrument |
| | 29.01 | Terminal arrangement to enable remote testing (e.g., testing interface) |
| | 29.02 | By simulator (e.g., computer simulates testing personnel) |
| | 29.03 | Voltage or current determination |
| | 29.04 | Voltage or current detector |
| | 29.05 | Metallic loop testing |
| | 29.06 | By dialing back the calling terminal |
| | 29.07 | For a fault caused by an off-hook status |
| | 29.08 | For a fault caused by new added service or equipment (e.g., software compatible) |
| | 29.09 | With historical operating information database |
| | 29.1 | Visual output (e.g., printing, displaying) |
| | 29.11 | Having telephone maintenance termination unit (e.g., MTU) |
| | 30 | Loop impedance (e.g., resistance, capacitance) |
| | 31 | Of line signalling generator (e.g., dial, tone code generator) |
| | 32.01 | Monitoring |
| | 36 | FREE CALLING FROM PAYSTATION |
| | 37 | EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT) |
| | 38 | Personal monitoring (e.g., for the ill or infirm) |
| | 39 | Responsive to sensed nonsystem condition |
| | 40 | Automatic dialing |
| | 41 | Transmission of recorded audio message |
| | 42 | Plural conditions |
| | 43 | Fire |
| | 44 | Intrusion |
| | 45 | Central office responsive to emergency call or alarm (e.g., "911", operator position display) |
| | 46 | Called line or station condition responsive (e.g., recall if busy) |
| | 47 | Plural alarms over single line |
| | 48 | Announcement or alarm received at terminal station (e.g., "butt-in", alarm) |
| | 49 | Central station with plural substations |
| | 50 | By pulse or digital signal |
| | 51 | 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 | Including fiber optic link within telephone network |
| | 56.3 | Including infra-red link with landline telephone network |
| | 67.1 | AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS |
| | 68 | Dynamic audio signal recording or reproduction |
| | 69 | Call originating |
| | 70 | Call intercept or answering |
| | 71 | Consecutive use of recorded phrases or words to form message |
| | 72 | Sequential or repeated announcement during single call initiated cycle |
| | 73 | Plural record carrier channels |
| | 74 | Remote control over telephone line |
| | 78 | Acoustic coupling |
| | 79 | With specified call initiated cycle control circuitry |
| | 80 |  Voice signal presence responsive |
| | 81 | Call termination responsive (e.g., hang-up) |
| | 82 | Having specified call initiation (e.g., ringing) responsive circuitry |
| | 83 | Structural detail of storage medium drive |
| | 84 | At switching facility (e.g., central office, switchboard) |
| | 85 | Recording of telephone signal during normal operation |
| | 87 | Reproduced signal distributed over telephone line |
| | 88.01 | Voice activation or recognition |
| | 88.02 | Voice verification (e.g., voice authorization, voiceprint, etc.) |
| | 88.03 | Voice dialing |
| | 88.04 | Voice controlled message management |
| | 88.05 | Multilingual system or operation |
| | 88.07 | Digital signal processing (DSP) |
| | 88.08 | Message signal analysis |
| | 88.09 | Statistical analysis (e.g., time, date, length of message, etc.) |
| | 88.1 | Including data compression |
| | 88.11 | Display of message related information |
| | 88.12 | Indication or notification of message |
| | 88.13 | Multimedia system (e.g., voice output combined with fax, video, text, etc.) |
| | 88.16 | Voice message synthesis |
| | 88.17 | Interaction with an external nontelephone network (e.g., Internet) |
| | 88.18 | Interacting voice message systems |
| | 88.19 | Call source identification |
| | 88.22 | Message management |
| | 90.01 | TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) |
| | 91.01 | Credit authorization |
| | 92.01 | Polling |
| | 93.01 | Having transmission of a digital message signal over a telephone line |
| | 93.02 | Access restricting |
| | 93.05 | Terminal interface circuitry |
| | 93.08 | Transmission scheme (e.g., compression/decompression, transmission rate) |
| | 93.09 | Switching between different terminal types (e.g., voice/data switch) |
| | 93.12 | Sales, ordering, or banking system |
| | 93.13 | Amusement (e.g., game, lottery) |
| | 93.14 | Having switching station |
| | 93.17 | Having station display |
| | 93.18 | Having tone code recognition for generating alphanumeric characters |
| | 93.19 | Having pressure or position sensitive surface (e.g., touch-screen, light pen) |
| | 93.21 | Having conferencing |
| | 93.22 | At pay station |
| | 93.23 | Having user information display (e.g., telephone number, name, address, etc.) |
| | 93.24 | Having electronic mail |
| | 93.25 | Having remote database (e.g., videotex system) |
| | 93.26 | By voice frequency signal (e.g., tone code) |
| | 100.01 | To produce visual-graphic copy (e.g., facsimile) |
| | 100.02 | Having detachable device (e.g., detachable storage medium, scanner) |
| | 100.03 | Usage system |
| | 100.04 | Communication charge calculation |
| | 100.05 | Monitoring |
| | 100.06 | Communication status notification |
| | 100.07 | Using mark sheet |
| | 100.08 | Electronic mailbox |
| | 100.09 | Relay system |
| | 100.11 | From a library |
| | 100.12 | Connection to plural networks or lines |
| | 100.13 | Format conversion |
| | 100.14 | Call signal generation (e.g., auto-dial) |
| | 100.15 | Having switching to other communication modes |
| | 100.17 | Transmission scheme |
| | 101.01 | Audio program distribution |
| | 102.01 | Remote control |
| | 102.02 | Communication device |
| | 102.05 | Of heating, ventilation, air conditioner (e.g., HVAC) |
| | 102.06 | Of physical entrance or exit lock |
| | 102.07 | Having indication |
| | 106.01 | Remote indication over telephone line (e.g., telemetry) |
| | 106.02 | Patient monitoring |
| | 106.03 | Meter reading |
| | 106.04 | Having power supply circuitry |
| | 106.05 | Having ringing suppression |
| | 106.06 | Having time window |
| | 106.07 | Having interrogation signal |
| | 106.08 | Having line status detection |
| | 106.09 | Ringing suppression |
| | 106.11 | Interrogation signal |
| | 108.01 | Telegraphy |
| | 110.01 | COMPOSITE SUBSTATION OR TERMINAL (E.G., HAVING CALCULATOR, RADIO) |
| | 111 | WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) |
| | 112.01 | Call traffic recording by computer or control processor |
| | 112.02 | Redundant processor or backup processor |
| | 112.03 | Estimating blocking probability |
| | 112.04 | Threshold or limiting control (e.g., gapping control) |
| | 112.05 | Optimization network configuration |
| | 112.06 | Generalized statistics about telephone network usage |
| | 114.01 | Call charge metering or monitoring |
| | 114.02 | Least cost |
| | 114.03 | Billing computing software or program |
| | 114.04 | Charge error detection |
| | 114.05 | Special service fees (e.g., customized feature) |
| | 114.06 | Variable rate |
| | 114.1 | Incentive billing |
| | 114.14 | Fraud detection or control |
| | 114.15 | Calling card |
| | 114.16 | Recharging or replenishing an account or calling card |
| | 114.17 | Monitoring account or card usage balance |
| | 114.18 | Having complementary item (e.g., novelty) |
| | 114.19 | Credit card |
| | 114.2 | Pre-paid calling account or card |
| | 114.21 | Redirect billing |
| | 114.22 | Split billing or cost sharing |
| | 114.23 | Third party billing |
| | 114.24 | 1-800 billing |
| | 114.25 | 1-900 billing |
| | 114.26 | Based on unique account code |
| | 114.27 | Portable number billing |
| | 114.28 | Advanced intelligent billing network (e.g., a billing service control processor) |
| | 115.01 | Interexchange billing operation |
| | 115.02 | Long distance billing |
| | 115.03 | Interfacing with foreign exchange |
| | 116 | Hardcopy record generating |
| | 117 | Of station on polystation or party line |
| | 119 | Hardcopy record generating (e.g., ticket printing) |
| | 121.01 | At local exchange carrier (e.g., central switching office) |
| | 121.02 | Discount charge rate or billing plan |
| | 121.03 | Multiple billing account |
| | 121.04 | Detail of call history and rates database |
| | 121.06 | Having network terminating point receiving registration from subscriber terminal |
| | 122 | With display |
| | 123 | Paystation (e.g., escrow control) |
| | 124 | Pulse counting or accumulating (e.g., "message metering") |
| | 125 | Local or zone |
| | 126 | Assembling billing record (e.g., automatic message account (AMA), call detail record (CDR), etc.) |
| | 127.01 |  Having line identification associated with call billing (e.g., automatic number identification (ANI) |
| | 128 | Time of day controlled |
| | 129 | Manually set (e.g., key and lock) |
| | 130 | At subscriber station |
| | 133 | Call traffic recording or monitoring |
| | 142.01 | RECEPTION OF CALLING INFORMATION AT SUBSTATION IN WIRELINE COMMUNICATIONS SYSTEM |
| | 142.02 | Blocking caller ID transmission |
| | 142.04 | Extracting call ID from transmitted signal |
| | 142.05 | Authentication or authorization |
| | 142.06 | Matching and retrieving stored caller ID information from a database |
| | 142.07 | Routing an incoming call on multiple lines to a particular appliance (e.g., facsimile, computer, or telephone) |
| | 142.08 | Call waiting associated with caller ID information |
| | 142.09 | Non-assigned telephone number indication |
| | 142.1 | Caller location indication (e.g., city, state, etc.) |
| | 142.11 | Caller local time indication |
| | 142.12 | Including master-slave modules, parent-child terminals, or controller-adjunct units |
| | 142.13 | Adaptive module coupled to telephone line or telephone device |
| | 142.15 | Connecting to an external information processing terminal (e.g., computer) |
| | 142.16 | Having broadband premise equipment (e.g., TV) |
| | 142.17 | Having display unit |
| | 142.18 | Including DTMF signal |
| | 143 | WITH CHECK OPERATED CONTROL (E.G., PAYSTATION) |
| | 144.01 | Other than coin |
| | 144.02 | Collect calling from payphone |
| | 144.03 | Fraud detection in payphone |
| | 144.04 | Card reader |
| | 144.05 | Payphone service associated or integrated with other communication device (e.g., computer, fax, etc.) |
| | 144.06 | Special circuitry for processing accounting data |
| | 144.07 | Information message notification at paystation |
| | 145 | Fraud or interference prevention |
| | 146 | Coin signalling or control |
| | 147 | Coin box audit or totalizer |
| | 148 | Denomination |
| | 149 | Post-pay coin collection |
| | 150 | Coin disposition (i.e., return or collection) |
| | 154 | At central office |
| | 155 | At terminal station (e.g., coin paystation) |
| | 156 | MULTI-LINE OR KEY SUBSTATION SYSTEM WITH SELECTIVE SWITCHING AND CENTRAL SWITCHING OFFICE CONNECTION |
| | 157 | With special service |
| | 159 | With intercom system |
| | 161 | With exclusion or priority feature (e.g., lockout or privacy) |
| | 162 | Detail of hold circuitry |
| | 164 | Line status indication or call alerting |
| | 165 | Switching or supervision feature (e.g., common control, digital) |
| | 166 | Detail of line circuit or line card |
| | 167.01 | PRIVATE (E.G., HOUSE OR INTERCOM) OR SINGLE LINE SYSTEM |
| | 167.02 | At collective house |
| | 167.03 | At booth (e.g., at theater, gas station, etc.) |
| | 167.05 | Doorbell system |
| | 167.06 | Having access code |
| | 167.07 | Having remote controlling station (e.g., gate guard or attendant) |
| | 167.08 | Call addressing or announcing |
| | 167.11 | Having connection to telephone line |
| | 167.12 | Having display |
| | 167.13 | Having telephone adaptor system |
| | 167.14 | Two-way voice channel |
| | 167.15 | Having transducer circuitry |
| | 168 | Lockout |
| | 170 | With paging |
| | 171 | Having plural stations with selective calling (e.g., master) |
| | 173 | With call addressing |
| | 174 | Including body or apparel supported terminal (e.g., headgear) |
| | 176 | With central power source |
| | 177 | POLYSTATION LINE SYSTEM (I.E., PARTY LINE) |
| | 178 | Revertive call |
| | 179 | Call alerting (e.g., ringing) |
| | 182 | Automatic or unattended |
| | 185 | Portable or mobile |
| | 186 | Central power source |
| | 187 | Connected to central office |
| | 188 | CALL OR TERMINAL ACCESS ALARM OR CONTROL |
| | 189 | Fraud or improper use mitigating or indication (e.g., "blue box", "black box") |
| | 190 | Time out |
| | 194 | Lockout or double use signalling |
| | 196 | At switching center |
| | 199 | At substation |
| | 201.01 | SPECIAL SERVICES |
| | 201.02 | Service profile (e.g., calling service) |
| | 201.03 | Creation of service (e.g., using object oriented programming, primitive, function) |
| | 201.04 | Display arrangement |
| | 201.05 | Distribution of service (e.g., downloading, uploading) |
| | 201.06 | Locating using diverse technology (e.g., using infrared badge, sensor, card reader) |
| | 201.07 | Called party |
| | 201.08 | Calling party |
| | 201.09 | Object |
| | 201.1 | Detecting presence or absence of party or object |
| | 201.11 | Anonymous party (e.g., protection of called or calling party's identity, privacy) |
| | 201.12 | Provisioning |
| | 202.01 | Conferencing |
| | 207.01 | Three-way calling |
| | 207.02 | Service trigger (activation or deactivation) |
| | 207.03 | Time (e.g., time of day, expiration of time period, time zone, date) |
| | 207.04 | Line or loop condition |
| | 207.05 | Busy signal (e.g., off hook) |
| | 207.06 | Transition from off-hook to on-hook (e.g., busy to idle, hook flash) |
| | 207.07 | Transition from on-hook to off-hook (e.g., idle to busy) |
| | 207.08 | No answer (e.g., ringing signal, on-hook, idle) |
| | 207.11 | Service access code |
| | 207.12 | Party location |
| | 207.13 | Party identification or validation (e.g., personal identification number (PIN)) |
| | 207.14 | Dialed number identification service (DNIS) |
| | 207.15 | Automatic number identification or calling number identification (ANI or CLID) |
| | 207.16 | Ringing signal (e.g. having a predetermined cadence or distinctive ring) |
| | 208.01 | Priority override (e.g., butt-in) |
| | 209.01 | Repetitive call attempts (e.g., camp-on-busy, retry) |
| | 210.01 | Reserved call (e.g., return call, call back, scheduled call, reestablished call) |
| | 210.02 | Call blocking |
| | 211.01 | Call diversion (e.g., call capture) |
| | 211.02 | Call forwarding |
| | 212.01 | Call transfer |
| | 213.01 | Intercept (e.g., dead or changed number) |
| | 214.01 | Secretarial or answering service |
| | 215.01 | Call Waiting |
| | 216.01 | Abbreviated dialing or direct call (e.g., hot line) |
| | 217.01 | Audible paging |
| | 218.01 | Automatic directory service (e.g., on-line) |
| | 218.02 | Performed by operator (e.g., butt-in, busy verification) |
| | 219 | PLURAL EXCHANGE NETWORK OR INTERCONNECTION |
| | 220.01 | With interexchange network routing |
| | 221.01 | Alternate routing |
| | 221.02 | Service provider selection (e.g., local or long distance, primary and alternate carriers) |
| | 221.03 | Failure (e.g., disaster, overload, blockage) |
| | 221.05 | Based upon historical data |
| | 221.06 | Algorithm (e.g., software, computer program) |
| | 221.08 | Advanced intelligent network (AIN) |
| | 221.09 | Service control point (SCP, ISCP, external database) |
| | 221.1 | Signal transfer point (STP, ISTP) |
| | 221.11 | Adjunct or intelligent peripheral (IP) |
| | 221.12 | Service switching point (SSP) |
| | 221.13 | Local number portability (LNP) |
| | 221.14 | Routing parameter (e.g., area code, address, service provider identifier) |
| | 221.15 | Connection call model (e.g., virtual network, displayed models) |
| | 222 | Toll center |
| | 224 | Tandem switching center |
| | 225 | Multi-PBX interconnection |
| | 226 | Having a manual exchange |
| | 229 | Interexchange signalling |
| | 242 | CENTRALIZED SWITCHING SYSTEM |
| | 243 | Class of service determination or transmission |
| | 245 | Identification |
| | 250 | Four-wire switching |
| | 251 | With generating of call associated substation signal |
| | 252 | For alerting signal at called station (e.g., ringing) |
| | 256 | Having automatic or through ringing |
| | 257 | For calling station (e.g., status or progress tones) |
| | 265.01 | Call distribution to operator |
| | 265.02 | Automatic call distributor (ACD) system |
| | 265.03 | Reporting status (e.g., supervisory reporting) |
| | 265.04 | Log-on or log-off of agent |
| | 265.05 | Agent assignment (e.g., allocation of agent's time to a specific task) |
| | 265.06 | Monitoring agent performance (e.g., quality of agent's performance) |
| | 265.09 | Having a multimedia feature (e.g., connected to Internet, E-mail, etc.) |
| | 265.1 | Predictive (e.g., anticipating next available agent) |
| | 265.11 | Routing to available agent |
| | 265.12 | Based on agent's skill (e.g., language spoken by agent) |
| | 265.13 | Based on type of call |
| | 265.14 | Based on time (e.g., longest waiting agent) |
| | 266.01 | Call or agent queuing |
| | 266.02 | Based on type of call |
| | 266.03 | Based on time (e.g., age of queued call, time of day, date) |
| | 266.04 | Overflow (e.g., queue-to-queue, ACD-to-ACD) |
| | 266.05 | Split |
| | 266.06 | Estimating or reporting waiting time |
| | 266.07 | Call campaign (e.g., script, application, inbound/outbound balancing) |
| | 266.09 | Home agent |
| | 266.1 | Call record |
| | 258 | Switching controlled in response to called station addressing signal |
