Patent · US Active

End-to-end address transfer

US9420018B2 · kind B2 · utility

0Cited by

23References

20Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Jörgen Axell · Danderyd, SE
Andreas Anulf · Lidingö, SE
Hans Nordin · Tullinge, SE

Key dates

Filing date	Nov 8, 2013
Grant date	Aug 16, 2016
Priority date	—
Expiry date	Nov 8, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2101/385
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

According to a first aspect of the present invention there is provided a method of facilitating the end-to-end transfer of a URI between a plurality of SIP entities. The method comprising generating a SIP message and including the URI to be transferred in a Contact header of the message and including in the Contact header a parameter indicating to a back-to-back user agent that this URI is not to be changed or replaced.

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