Patents-Review.com
ClassID:

227642 ⎘

H04M3/4281 - CPC Classification

Classification description:

Automatic or semi-automatic exchanges; Systems providing special services or facilities to subscribers; Arrangements for placing incoming calls on hold when the called subscriber is connected to a data network using his telephone line, e.g. dial-up connection, Internet browsing

Recent Application in this class:
#1
20160142550
2016-05-19

Systems and methods for call processing

 #2
20150071124
2015-03-12

Method and system for on-hold messaging for off network calls

 #3
20140376411
2014-12-25

Communication apparatus, method of controlling the same, and storage medium

 #4
20140269447
2014-09-18

Systems and methods for call processing

 #5
20130156024
2013-06-20

Voice-over-IP enabled chat

 #6
20120287923
2012-11-15

Residential gateway for voice over internet protocol communications

 #7
20120057684
2012-03-08

Systems and methods for call screening

 #8
20120052849
2012-03-01

Method and system to automatically park a voice call for data transfer

 #9
20100216435
2010-08-26

Method and system to automatically park a voice call for data transfer

 #10
20100142685
2010-06-10

Methods and apparatus for providing expanded telecommunications service

 #11
20100135283
2010-06-03

Voice-over-IP enabled chat

 #12
20100054442
2010-03-04

Telephone network control system and method

 #13
20100054432
2010-03-04

Systems and methods for call screening

 #14
20090268887
2009-10-29

SYSTEM AND METHOD TO HANDLE PHONE LINE SERVICES DURING MODEM DIAL-UP CONNECTION

 #15
20090257430
2009-10-15

Method and system for preventing data loss in a real-time computer system

 #16
20090080628
2009-03-26

Methods, systems, and products for alerting of calls

 #17
20090016500
2009-01-15

Methods, Systems, and Products for Caller Control of Internet Call Waiting

 #18
20080101580
2008-05-01

Methods, systems, and products for Internet Call Waiting messaging

 #19
20070268892
2007-11-22

Internet caller identification system and method

 #20
20070230673
2007-10-04

Systems and methods for receiving telephone calls via instant messaging

 #21
20070116232
2007-05-24

Call detail record for internet call waiting

 #22
20070041553
2007-02-22

Methods, systems, and products for selecting the content of internet call-waiting messages

 #23
20060291636
2006-12-28

System and method for providing internet busy call treatment

 #24
20060245568
2006-11-02

Gateway device, private branch exchange system, and private branch exchange method

 #25
20060153354
2006-07-13

Systems and methods for call screening

 #26
20060018310
2006-01-26

Data network call routing

 #27
20050259638
2005-11-24

Voice-over-IP enabled chat

 #28
20050238158
2005-10-27

Caller control of internet call waiting

 #29
20050232248
2005-10-20

Call waiting feature for a telephone line connected to the internet

 #30
20050226202
2005-10-13

Enhanced voice pre-emption of active packet data service

 #31
20050207557
2005-09-22

Methods and apparatus for providing expanded telecommunications service

 #32
20050141490
2005-06-30

Method and apparatus for providing expanded telecommunications service

 #33
20050123114
2005-06-09

Methods and systems for telephony call completion

 #34
20050123108
2005-06-09

Hands-free modem-on-hold

 #35
20050074107
2005-04-07

Conference calls via an intelligent call waiting interface