Patent · US Active

Building and switching IP multimedia sessions

US9661030B2 · kind B2 · utility

1Cited by

12References

18Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Sheng Hua Bao · Beijing, CN
Jian Chen · Beijing, CN
Zhong Su · Beijing, CN
Xin Ying Yang · Beijing, CN
Xiang Zhou · Beijing, CN

Key dates

Filing date	Oct 31, 2012
Grant date	May 23, 2017
Priority date	—
Expiry date	Dec 24, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04L65/80
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Embodiments of the present disclosure include methods and systems of building an IP multimedia session without the use of a central server and switching IP multimedia session among devices. The method of building an IP multimedia session includes receiving a registering request from a plurality of IP multimedia session participant devices, electing a service device from the plurality of participant devices, and building IP multimedia session among the plurality of participant devices by using the elected service device.

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