Patent · US Active

Method and apparatus for identifying an IMS service

US8285852B2 · kind B2 · utility

3Cited by

0References

9Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Bo Astrom · Tullinge, SE
Mats Stille · Bromma, SE
Anders Ryde · Hallsberg, SE
Stephen Terrill · Madrid, ES
Bror Lennart Norell · Alvesta, SE

Key dates

Filing date	May 25, 2005
Grant date	Oct 9, 2012
Priority date	—
Expiry date	May 30, 2027

Classification

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

Abstract

An apparatus and method for indicating the IP Multimedia Subsystem (IMS) services to which a Session Initiation Protocol (SIP) message relates. One or more communication service identifiers are added to the SIP message as a Feature Tag.

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