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:
Dec. 09, 2014
Filed:
Aug. 07, 2012
LI LI, Shenzhen, CN;
Ruinan Sun, Shenzhen, CN;
Li Li, Shenzhen, CN;
Ruinan Sun, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A method, device and system for implementing a customized ring back tone service and a customized ring tone service are disclosed. The method includes: a second server receives a first early media response returned by a terminal comprising a first media negotiation result which is obtained by the terminal performing media negotiation with a first server according to a first early media request; the second server generates a second early media request according to the received first early media response comprising a second attribute identification for identifying the second early media request, and sends the first early media response and the second early media request; the first server completes the media negotiation with the calling terminal according to the first early media response and a called terminal completes the media negotiation with the second server according to the second early media request.