The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 20, 2013
Filed:
Dec. 04, 2007
Quan Qi, Shenzhen, CN;
Jian Liu, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A method for providing ringback tone presence information includes: obtaining a subscription record of a ringback tone presence service corresponding to a user terminal of a call and a routing address of a ringback tone device; connecting the call to the ringback tone device according to the routing address; obtaining the presence information of the called user according to a user terminal number of the call; and sending the presence information of the called user to the calling user terminal. The present invention further provides a system and a ringback tone device for providing presence information. According to the present invention, the calling user may obtain the presence information of the called user via a ringback tone to acquire the state and mood of the called user; therefore, the communication experience is improved; the telecom service types are enriched; and the presence service is popularized.