ClassID:

227559

H04M3/2272 - CPC Classification

Classification description:

Automatic or semi-automatic exchanges; Arrangements for supervision, monitoring or testing Subscriber line supervision circuits, e.g. call detection circuits

Recent Application in this class:
#1
20260113401
2026-04-23

SYSTEMS FOR CALL MONITORING AND ASSOCIATED METHODS USING CALL ARRIVAL INTERVALS

#2
20260039744
2026-02-05

PROVISIONING TOOL -- CALL CENTER-BASED AUTOMATED INTERFACE WITH NETWORK SWITCHES FOR INTERNET SERVICE DIAGNOSTICS AND PROVISIONING

#3
20250358362
2025-11-20

AUTOMATE-AUTOMATED INTERFACE BETWEEN CALL CENTER AGENTS AND NETWORK ORCHESTRATION SYSTEMS VIA APPLICATION PROGRAMMING INTERFACES (APIs)

#4
20250175553
2025-05-29

Test of a Communication Interface Connected to an Analog Telephone Line

#5
20240422261
2024-12-19

CONDITIONAL COMMUNICATION FORWARDING BASED ON ORIGINATION AND DESTINATION ATTRIBUTES

#6
20240297932
2024-09-05

PROVISIONING TOOL -- CALL CENTER-BASED AUTOMATED INTERFACE WITH NETWORK SWITCHES FOR INTERNET SERVICE DIAGNOSTICS AND PROVISIONING

#7
20240223696
2024-07-04

AUTOMATE-AUTOMATED INTERFACE BETWEEN CALL CENTER AGENTS AND NETWORK ORCHESTRATION SYSTEMS VIA APPLICATION PROGRAMMING INTERFACES (APIs)

#8
20230319179
2023-10-05

Provisioning tool—call center-based automated interface with network switches for internet service diagnostics and provisioning

#9
20230171342
2023-06-01

Conditional communication forwarding based on origination and destination attributes

#10
20230048667
2023-02-16

AutoMate—automated interface between call center agents and network orchestration systems via application programming interfaces (APIs)

#11
20230030263
2023-02-02

Provisioning tool—call center-based automated interface with network switches for internet service diagnostics and provisioning

#12
20230026053
2023-01-26

PRIVATE DEVICELESS MEDIA DELIVERY SYSTEM

#13
20220394128
2022-12-08

Method, system and device for permitting unfamiliar call

#14
20220053088
2022-02-17

Conditional communication forwarding based on origination and destination attributes

#15
20210352174
2021-11-11

Method for preventing sip device from being attacked, calling device, and called device

#16
20180219996
2018-08-02

Managing telephone interactions of a user and an agent

#17
20180219995
2018-08-02

Managing telephone interactions of a user and an agent

#18
20180146087
2018-05-24

Congestion detection and dynamic throttling of automated telephone call attempts during mass call events

#19
20180084126
2018-03-22

Communication apparatus, method of controlling communication apparatus, and storage medium

#20
20160309050
2016-10-20

Communication apparatus, method of controlling communication apparatus, and storage medium

#21
20160295013
2016-10-06

Service profile handling in the IMS

#22
20160006865
2016-01-07

Controlled communication between residents of controlled-environment facilities

#23
20150281512
2015-10-01

Communication apparatus that specifies network, control method therefor and storage medium

#24
20150264171
2015-09-17

Systems and methods for providing back power to a service unit

#25
20150024741
2015-01-22

Service Profile handling in the IMS

#26
20140376538
2014-12-25

Portable system for institutional telephone service provision

#27
20140308948
2014-10-16

System and method for controlling the use of a wireless device

#28
20140219432
2014-08-07

Telecommunications technology

#29
20130236003
2013-09-12

Method and apparatus for non-disruptive telecommunication loop condition determination

#30
20120236845
2012-09-20

Voice and data exchange over a packet based network

#31
20120178447
2012-07-12

Service profile handling in the IMS

#32
20110274266
2011-11-10

Method and apparatus for non-disruptive telecommunication loop condition determination

#33
20110249771
2011-10-13

Adaptive gain control based on echo canceller performance information

#34
20110243127
2011-10-06

Voice and data exchange over a packet based network

#35
20110182168
2011-07-28

Interaction between echo canceller and packet voice processing

#36
20110064203
2011-03-17

Gateway and method for detecting a communication link between a called telephone and a telephone switch

#37
20110058496
2011-03-10

Voice-activity detection based on far-end and near-end statistics

#38
20110051924
2011-03-03

Voice and data exchange over a packet based network with echo cancellation

#39
20100008477
2010-01-14

Surveillance device detection with countermeasures

#40
20090290702
2009-11-26

Automated agent availability detection

#41
20090257572
2009-10-15

METHOD FOR PERFORMING A TELEPHONE CALL

#42
20090109881
2009-04-30

Voice and data exchange over a packet based network

#43
20090103573
2009-04-23

Voice and data exchange over a packet based network with DTMF

#44
20090080415
2009-03-26

Late frame recovery method

#45
20080279180
2008-11-13

Managing a Node that Provides Access to Both Broadband and Narrowband Service

#46
20080260121
2008-10-23

Methods and apparatus to protect and audit communication line status

#47
20080176538
2008-07-24

Service profile handling in the IMS

#48
20080139192
2008-06-12

System and method for controlling the use of a wireless device

#49
20080137822
2008-06-12

Method and apparatus for obtaining telephone status over a network

#50
20080119240
2008-05-22

Method and system for informing a vehicle telematics user of a connection status

#51
20080103770
2008-05-01

Method and apparatus for identifying conversing pairs over a two-way speech medium

#52
20080049647
2008-02-28

Voice-activity detection based on far-end and near-end statistics

#53
20070201687
2007-08-30

Subscriber Line Interface Circuitry

#54
20070201686
2007-08-30

Subscriber Line Interface Circuitry

#55
20070150264
2007-06-28

Voice and data exchange over a packet based network with voice detection

#56
20070133417
2007-06-14

Late frame recovery method

#57
20070127711
2007-06-07

Adaptive gain control based on echo canceller performance information

#58
20070124427
2007-05-31

System and method for obtaining equipment status data over a network

#59
20070121907
2007-05-31

Method and apparatus for non-disruptive telecommunication loop condition determination

#60
20070091873
2007-04-26

Voice and data exchange over a packet based network with DTMF

#61
20070082662
2007-04-12

System and method for controlling the use of a wireless device

#62
20070064881
2007-03-22

Prevention of an alarm activation and supporting methods and apparatus

#63
20070025480
2007-02-01

Voice and data exchange over a packet based network with AGC

#64
20060245551
2006-11-02

Method and system for failover capability for remote call center agents

#65
20060203970
2006-09-14

Method and apparatus for monitoring telephone status

#66
20060203969
2006-09-14

Method and apparatus for monitoring device status

#67
20060203968
2006-09-14

METHOD AND APPARATUS FOR MONITORING TELEPHONE STATUS

#68
20060198508
2006-09-07

Methods, systems, and computer program products for congestion-based routing of telecommunications signaling messages

#69
20060193456
2006-08-31

System and method for obtaining equipment status data over a network

#70
20060193455
2006-08-31

System and method for establishing a call between a calling party and a called party over a wired network

#71
20060140374
2006-06-29

System and method for obtaining a status of an authorization device over a network for administration of theatrical performances

#72
20060140350
2006-06-29

Method and apparatus for monitoring telephone status

#73
20060133581
2006-06-22

Method and apparatus for monitoring telephone status

#74
20060078103
2006-04-13

System and method for determining the status of a telephone in a packet switched network

#75
20060078101
2006-04-13

System and method for obtaining a status of an authorization device over a network

#76
20050281403
2005-12-22

Subscriber line interface circuitry

#77
20050276411
2005-12-15

Interaction between echo canceller and packet voice processing

#78
20050271197
2005-12-08

Apparatus and method for CNG detection with call waiting

#79
20050266830
2005-12-01

Method for notifying a wireless unit that a wireline unit is in an off-hook state

#80
20050249334
2005-11-10

Method and apparatus for obtaining status of monitoring devices over a network

#81
20050243976
2005-11-03

Method and apparatus for obtaining telephone status over a network

#82
20050201543
2005-09-15

Status monitoring system utilizing an RFID monitoring system

#83
20050129182
2005-06-16

Method for determining the operating state of a telecommunications newtwork

#84
20050111439
2005-05-26

Voice integrated VOIP system

#85
20050094789
2005-05-05

Instructive out-of-service telephone lines

#86
20050002518
2005-01-06

Voltage monitoring system capable of telephone off hook and ring detection

#87
20050002517
2005-01-06

Subscriber line interface circuitry

#88
16687552
2020-11-17

Handling unanswered calls for alternate phone number on mobile device

#89
16295135
2019-10-08

Dynamic controlled-environment facility resident communication allocation based on call volume

#90
16268078
2020-06-09

Handling unanswered calls for alternate phone number on mobile device

#91
16253315
2020-06-23

Reduction in network congestion

#92
16248726
2022-03-01

AC/DC phone line detector

#93
16029748
2019-05-07

Portable system for institutional telephone service provision

#94
16017726
2019-09-24

Controlled communication between residents of controlled-environment facilities

#95
15980037
2019-05-14

Using text for handling E911 voice calls

#96
15923029
2019-01-15

AC/DC phone line detector

#97
15666190
2019-01-22

Reduction in network congestion

#98
15641605
2019-08-27

Reduction in network congestion

#99
15582469
2019-03-19

Handling declined calls for alternate phone number on mobile device

#100
15383927
2018-06-26

Controlled communication between residents of controlled-environment facilities

#101
15356838
2017-10-24

Managing a telephone communication system to dynamically throttle call attempts and reduce congestions during mass call events

#102
15334251
2018-08-28

Detecting dial tone on a telephone line

#103
15198841
2016-11-22

Detecting dial tone on a telephone line

#104
15150702
2017-08-01

Reduction in network congestion

#105
15150630
2017-07-04

Reduction in network congestion

#106
14322869
2015-07-28

Controlled communication between residents of controlled-environment facilities