Patents-Review.com
ClassID:

227569 ⎘

H04M3/26 - CPC Classification

Classification description:

Automatic or semi-automatic exchanges; Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring

Sub-classes:
Recent Application in this class:
#1
20240267455
2024-08-08

END-TO-END EMERGENCY CALL TESTING

 #2
20230412728
2023-12-21

CALL TEST SYSTEM AND METHOD THEREOF

 #3
20230188998
2023-06-15

REMOTE VERIFICATION OF THE CONDITION OF A MOBILE DEVICE

 #4
20220345567
2022-10-27

Call set up failure rate metric and communication network optimization based thereon

 #5
20220279368
2022-09-01

LINE TEST SYSTEM AND LINE TEST METHOD

 #6
20220279066
2022-09-01

Data correction apparatus, data correction method, and program

 #7
20210368040
2021-11-25

Call set up failure rate metric and communication network optimization based thereon

 #8
20210058508
2021-02-25

Emergency Network Test Apparatus and Method

 #9
20200366785
2020-11-19

Method and apparatus for determining a bridged tap length

 #10
20200007678
2020-01-02

Methods and apparatus for beam failure detection

 #11
20190305816
2019-10-03

Crosstalk mitigation for out-of-band tones

 #12
20190049505
2019-02-14

System and method for using a connector at the end of a cable as a cable locating tone sensor

 #13
20180115641
2018-04-26

Method and apparatus for classifying telephone dialing test audio based on artificial intelligence

 #14
20170094052
2017-03-30

Communication system and communication method

 #15
20160261737
2016-09-08

Communication system and communication method

 #16
20150264171
2015-09-17

Systems and methods for providing back power to a service unit

 #17
20150195662
2015-07-09

Method and apparatus for audio testing

 #18
20150146542
2015-05-28

Method for configuring reference signal, base station and user equipment

 #19
20150117634
2015-04-30

Method and device for detecting a bridged tap within a telecommunication line

 #20
20150030139
2015-01-29

Apparatus, systems and methods of common mode based diagnostics

 #21
20140072110
2014-03-13

Testing apparatus and testing method for telephone apparatus

 #22
20130223599
2013-08-29

DIAGNOSTIC ENGINE FOR DETERMINING GLOBAL LINE CHARACTERISTICS OF A DSL TELECOMMUNICATION LINE AND METHOD USING SAME

 #23
20130027055
2013-01-31

Communication line testing with protective devices in place

 #24
20120230474
2012-09-13

Performance testing of echo cancellers using a white noise test signal

 #25
20120215503
2012-08-23

Arrangement and method relating to analysis of transmission lines

 #26
20120093006
2012-04-19

Auto reply and loop-back method for the remote measurement of the quality of an internet phone

 #27
20120063332
2012-03-15

SYSTEM AND METHOD FOR DETERMINING AND CONTROLLING LOOPBACK POINTS IN A NETWORK ENVIRONMENT

 #28
20120057682
2012-03-08

Telephony testing

 #29
20110313758
2011-12-22

Method and arrangement for processing of speech quality estimate

 #30
20110143747
2011-06-16

Remote initiation of collecting diagnostic information for network communications

 #31
20100322387
2010-12-23

Endpoint echo detection

 #32
20100232613
2010-09-16

Systems and methods for remotely tuning hearing devices

 #33
20100142686
2010-06-10

High availability and operations architecture for IVR applications

 #34
20100040204
2010-02-18

Performance testing of echo cancellers using a white noise test signal

 #35
20080239968
2008-10-02

System and method for gateway call routing

 #36
20070286350
2007-12-13

SPEECH-BASED OPTIMIZATION OF DIGITAL HEARING DEVICES

 #37
20070211864
2007-09-13

System for remote integration and testing of a telephone loop

 #38
20070133755
2007-06-14

Processes and systems for creating and for managing trouble tickets and work orders

 #39
20050231882
2005-10-20

Device for controlling an xDSL communication line

 #40
20050152508
2005-07-14

Apparatus for management and remote control of electrical characteristics of wire pairs connected to a telephone exchange

 #41
20050147210
2005-07-07

End-to-end network testing

 #42
20050105472
2005-05-19

Test access matrix (TAM) protector module and associated circuitry for a telecommunications system

 #43
15870540
2018-07-10

Voltage monitoring circuit and voltage monitoring method