Securing uniform resource identifier information for multimedia calls

US8948057B2 · kind B2 · utility

Assignee

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

Inventors

• Bernard Ku · Austin, US
• Armstrong Soo · San Ramon, US

Key dates

• Filing date: Dec 15, 2009
• Grant date: Feb 3, 2015
• Expiry date: Nov 4, 2032

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04W80/10
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

A session request from a first subscriber is received at a first network component of a packet-based network. The session request comprises a request to establish a communications session between the first subscriber and a second subscriber. In the event the session request originated in a trusted network, the first network component permits access to unique resource identifier (URI) information associated with the second subscriber for use in establishing the communications session via the packet-based network. In the event the session request did not originate in a trusted network and in response to determining a security configuration associated with the second subscriber allows the first subscriber to access the URI information under the circumstances, the first network component permits access to the URI information for use in establishing the communications session via the packet-based network. In response to determining the security configuration prohibits access to the URI information by the first subscriber under the circumstances, the first network component forwards the session request to a second network component so as to establish the communications session via a publ…