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.
Patent No.:
Date of Patent:
Nov. 09, 2021
Filed:
May. 03, 2017
Applicant:
Deutsche Telekom Ag, Bonn, DE;
Inventors:
Vasil Aleksiev, Vienna, AT;
Reinhard Lauster, St. Poelten, AT;
Assignee:
DEUTSCHE TELEKOM AG, Bonn, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 65/1016 (2013.01); H04L 65/1006 (2013.01); H04L 65/1069 (2013.01); H04L 65/1073 (2013.01); H04L 69/28 (2013.01);
Abstract
A user equipment is connected to a telecommunications network comprising or associated to an IMS network. The user equipment comprises a memory for storing request timer information related to a request timeout time interval. A method for handling an Internet Multimedia Subsystem (IMS) conversational service of the user equipment includes: storing, by the user equipment, the request timer information in the memory of the user equipment; and attempting, by the user equipment, to register to the IMS network and/or to initiate the IMS conversational service while the request timeout time interval has not expired.