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:
Jun. 11, 2013
Filed:
Nov. 21, 2011
Guihua LI, Shenzhen, CN;
Zhihong Sun, Shenzhen, CN;
Yiqiang Bao, Shenzhen, CN;
Zhibin Ren, Shenzhen, CN;
Guihua Li, Shenzhen, CN;
Zhihong Sun, Shenzhen, CN;
Yiqiang Bao, Shenzhen, CN;
Zhibin Ren, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A method for playing an enterprise color ringback tone is disclosed, including the following steps: establishing, by a service switching entity, a connection with a service access entity in accordance with an EVC access code; searching, by the service access entity, for a connection identifier of a destination terminal corresponding to a service identifier of the destination terminal in accordance with a correspondence relationship between the service identifier and the connection identifier of the terminal, and sending the connection identifier of the destination terminal to the service switching entity; and establishing, by the service switching entity, a connection between the source terminal and the destination terminal in accordance with the connection identifier of the destination terminal, and playing an enterprise CRBT to the source terminal. A system and a device for playing an enterprise color ringback tone are also disclosed.