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. 01, 2013
Filed:
Oct. 14, 2010
Min Wang, San Diego, CA (US);
Dai Yang, San Diego, CA (US);
Vivek Rajendran, San Diego, CA (US);
Ananthapadmanabhan Arasanipalai Kandhadai, San Diego, CA (US);
Alireza R. Heidari, Encinitas, CA (US);
Jeremy P. Toman, San Diego, CA (US);
Min Wang, San Diego, CA (US);
Dai Yang, San Diego, CA (US);
Vivek Rajendran, San Diego, CA (US);
Ananthapadmanabhan Arasanipalai Kandhadai, San Diego, CA (US);
Alireza R. Heidari, Encinitas, CA (US);
Jeremy P. Toman, San Diego, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
After a call is established between two stations using a codec that has been negotiated during call setup, in-band signaling may be used between the two stations to change the codec that is to be used. The in-band signals are indicative that the station that is transmitting the in-band signals can operate with a second codec and are used to probe whether the receiving station can also operate with that second codec. If the receiving station detects and reacts to the in-band signals, then both stations change to communicate with the second codec. The second codec has compatible packet sizes of the deployed (originally negotiated) codec without any need of infrastructure upgrade and/or quality compromise to legacy phone users (i.e., stations that cannot operate with the second codec).