Patent · US Active

Methods, systems, and computer program products for security protocol selection in internet protocol multimedia subsystem networks

US9565216B2 · kind B2 · utility

1Cited by

12References

20Claims

0Family size

Assignee

AT&T Intellectual Property I, L.P. · US

Inventors

Mohamed Khalil · Munich, DE
Arun K. Chatterjee · Redmond, US
Mazen Aladwin · Sammamish, US
Karl Schlieber · Flemington, US

Key dates

Filing date	Oct 24, 2014
Grant date	Feb 7, 2017
Priority date	—
Expiry date	Jan 8, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH04W60/04
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method includes receiving a first secured registration request message from user equipment at a registration server in an Internet Protocol multimedia subsystem network, the first secured registration request message being secured using a first security protocol, determining at the registration server that the first secured registration request message cannot be decoded using the first security protocol, sending a message from the registration server to the user equipment proposing a second security protocol, and receiving a second secured registration request message from the user equipment at the registration server, the second secured registration request message being secured using the second security protocol.

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