using ringback

Industry

CPC
H04M3/307

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M3/00Automatic or semi-automatic exchanges

Current Industry

H04M3/307using ringback

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Real time measurement of network delay
- Patent number 8,743,707
- Issue date Jun 3, 2014
- Verizon Patent and Licensing Inc.
- Mike Metaxas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus of transmitting personal information in subscr...
- Patent number 8,315,614
- Issue date Nov 20, 2012
- SK Telecom., Ltd.
- Yeong-Tae No
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and a device for quantifying a tone signal received in a...
- Patent number 8,223,928
- Issue date Jul 17, 2012
- V.S.N. Beheer B.V.
- Martinus Petrus Johannes Maria Poels
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for checking a ring-back signal
- Patent number 8,121,266
- Issue date Feb 21, 2012
- Swissqual License AG
- Hanspeter Bobst
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polled geofencing and distinguished ring-back
- Patent number 7,873,158
- Issue date Jan 18, 2011
- Alcatel-Lucent USA Inc.
- Ranjan Sharma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for call notification
- Patent number 7,054,429
- Issue date May 30, 2006
- International Business Machines Corporation
- Thomas E. Creamer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method to pre-qualify copper loops for ADSL service
- Patent number 6,349,130
- Issue date Feb 19, 2002
- Lucent Technologies, Inc.
- Carl R. Posthuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone ringback test device and method
- Patent number 6,005,921
- Issue date Dec 21, 1999
- Harris Corporation
- David W. Keefe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF AND A DEVICE FOR QUANTIFYING A TONE SIGNAL RECEIVED IN A...
- Publication number 20110051905
- Publication date Mar 3, 2011
- V.S.N. BEHEER B.V.
- Martinus Petrus Johannes Maria POELS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR CHECKING A RING-BACK SIGNAL
- Publication number 20100296635
- Publication date Nov 25, 2010
- Hanspeter Bobst
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for Sharing Audio-only content, Audio-Visual content, and Vi...
- Publication number 20100080361
- Publication date Apr 1, 2010
- Conrad Edward Houghton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Real Time Measurement Of Network Delay
- Publication number 20090086716
- Publication date Apr 2, 2009
- Verizon Data Services, Inc.
- Vijay Jayapalan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Apparatus of Transmitting Personal Information in Subscr...
- Publication number 20080002824
- Publication date Jan 3, 2008
- SK Telecom Co., Ltd.
- Yeong-Tae No
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polled geofencing and distinguished ring-back
- Publication number 20070280448
- Publication date Dec 6, 2007
- Ranjan Sharma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for editable personalized ring back tone service
- Publication number 20040114732
- Publication date Jun 17, 2004
- CW Wireless Corporation
- Kangil Choe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for call notification
- Publication number 20030165225
- Publication date Sep 4, 2003
- International Business Machines Corporation
- Thomas E. Creamer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using ringback

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Real time measurement of network delay

Method and apparatus of transmitting personal information in subscr...

Method of and a device for quantifying a tone signal received in a...

Method for checking a ring-back signal

Polled geofencing and distinguished ring-back

Method and system for call notification

Method to pre-qualify copper loops for ADSL service

Telephone ringback test device and method

Patents Applicationslast 30 patents

METHOD OF AND A DEVICE FOR QUANTIFYING A TONE SIGNAL RECEIVED IN A...

METHOD FOR CHECKING A RING-BACK SIGNAL

Method for Sharing Audio-only content, Audio-Visual content, and Vi...

Real Time Measurement Of Network Delay

Method and Apparatus of Transmitting Personal Information in Subscr...

Polled geofencing and distinguished ring-back

Apparatus and method for editable personalized ring back tone service

Method and system for call notification