Patent · US Active

Method for changing session media, method for establishing a call, and equipment thereof

US8515053B2 · kind B2 · utility

0Cited by

2References

2Claims

0Family size

Assignee

Huawei Technologies Co., Ltd. · CN

Inventors

Shuiping Long · Beijing, CN
Yaoping Luo · Tokyo, JP

Key dates

Filing date	Jul 5, 2012
Grant date	Aug 20, 2013
Priority date	—
Expiry date	Jul 5, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH04L65/1016
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method for changing ICS session media includes: receiving a media type change request comprising a new media type sent from one of a terminal equipment, a mobile switching center (MSC), or a second party; releasing a circuit-switched (CS) call leg based on an original media type between an IMS CS control function (ICCF) and the terminal equipment; establishing a CS call leg based on the new media type between the ICCF and the terminal equipment; and updating the media type of a second call leg between the ICCF and a second party into the new media type or establishing a second call leg based on the new media type between the ICCF and the second party.

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