ClassID:

227540

H04M3/04 - CPC Classification

Classification description:

Automatic or semi-automatic exchanges; Calling substations, e.g. by ringing the calling signal being supplied from the final selector

Recent Application in this class:
#1
20150365534
2015-12-17

Forwarding telephone calls to a mobile terminal via a femtocell

#2
20150296070
2015-10-15

Method and apparatus for displaying incoming call information

#3
20140270101
2014-09-18

Systems and related methods for visual indication of an occurrence of an event

#4
20130182703
2013-07-18

SYSTEM AND METHOD FOR PROVIDING AUTOMATIC DETERMINATION OF A CALL TYPE IN TELEPHONY SERVICES OVER A DATA NETWORK

#5
20120220270
2012-08-30

System and method for processing a call request

#6
20110299677
2011-12-08

Call signal generating device

#7
20100227602
2010-09-09

SYSTEM AND METHOD FOR MANAGING MOBILE PHONE RING TONE PROFILES

#8
20080268821
2008-10-30

Mobile communications terminal and method

#9
20070264978
2007-11-15

Method of providing customized ring tone service

#10
20070201687
2007-08-30

Subscriber Line Interface Circuitry

#11
20070201686
2007-08-30

Subscriber Line Interface Circuitry

#12
20060276174
2006-12-07

Method and an apparatus for provisioning content data

#13
20060199575
2006-09-07

Customized ringtones and method for their production

#14
20060104434
2006-05-18

System and method for caller control of a distinctive ring

#15
20060029202
2006-02-09

Mobile communications terminal and method

#16
20050195952
2005-09-08

Telephone having ring stopping function

#17
20050090292
2005-04-28

Mobile phone system with incoming melody designating function and mobile phone

#18
20050002517
2005-01-06

Subscriber line interface circuitry

#19
15794896
2018-11-13

Systems and related methods for visual indication of callee ID information for an incoming communication request in a hearing-impaired environment