The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 03, 2015

Filed:

Apr. 24, 2009
Applicants:

Ralf Keller, Würselen, DE;

Karl-peter Ranke, Herzogenrath, DE;

Anders Nohlgren, Stockholm, SE;

Inventors:

Ralf Keller, Würselen, DE;

Karl-Peter Ranke, Herzogenrath, DE;

Anders Nohlgren, Stockholm, SE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 76/02 (2009.01); H04L 29/06 (2006.01); H04W 36/00 (2009.01); H04W 80/10 (2009.01);
U.S. Cl.
CPC ...
H04W 76/021 (2013.01); H04L 65/1016 (2013.01); H04W 65/1083 (2013.01); H04W 36/0033 (2013.01); H04W 80/10 (2013.01);
Abstract

A method and application server for supporting a communication established between a first mobile terminal towards a telecommunications network that includes first and second radio access networks. When a session setup is initiated with respect to the first mobile terminal, the application server receives a session identifier. The application server enters the identifier into an identifier list comprising one or more identifiers for identifying sessions with respect to the first mobile terminal. If the application server receives an indication of a session transfer from the first radio access network to the second radio access network, the application server provides the identifier list to the second radio access network in response to the indication.


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