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:
Oct. 13, 2015
Filed:
Apr. 06, 2010
Daniel Enström, Gammelstad, SE;
Tomas Frankkila, Luleå, SE;
Stefan Bruhn, Sollentuna, SE;
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
In a method of improved session negotiation between first and second clients in a cellular telecommunication system, the two clients negotiating Sand agreeing upon a first codec type for a session. The first and second clients then initiating the session and exchanging Smedia data frames according to the first codec type. Subsequently, during the initiated session, at least one of the first and second clients providing San indication for a second codec type in at least one subsequent media data frame. Finally, upon receiving and recognizing said indication, the other of said first and second clients switching Sto the indicated second codec type in a next media data frame, thereby enabling the first and second clients to exchange subsequent media frames utilizing the second codec type.