Patent · US Active

Change to playback characteristic of ringback tone

US7839995B2 · kind B2 · utility

6Cited by

1References

20Claims

0Family size

Assignee

Alcatel-Lucent USA Inc. · US

Inventors

Ramachendra P. Batni · Phoenix, US
Ranjan Sharma · New Albany, US

Key dates

Filing date	Jan 28, 2005
Grant date	Nov 23, 2010
Priority date	—
Expiry date	Feb 22, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH04M2203/2011
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A playback characteristic of a ringback tone, played to a calling communication device employed by a user for a call to a called communication device, is changed based on input from the user of the calling communication device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.