Patent · US Active

Method and apparatus for identifying an IMS service

US8572261B2 · kind B2 · utility

4Cited by

0References

20Claims

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	Sep 10, 2012
Grant date	Oct 29, 2013
Priority date	—
Expiry date	Sep 10, 2032

Classification

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

Abstract

A User Equipment (UE) and IP Multimedia Subsystem (IMS) network node for indicating the IMS services and IMS applications to which a Session Initiation Protocol (SIP) message relates. An IMS communication service identifier and an IMS application reference are added to the SIP message. The identifier and the reference may be added as Feature Tags. The reference may also be added as an a-line augmenting an m-line in a Session Description Protocol (SDP) part of the SIP message.

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