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. 05, 2010
Filed:
Dec. 03, 2004
Ke-chi Jang, Plano, TX (US);
Chung-ching Wang, Plano, TX (US);
Jun LI, Plano, TX (US);
Geng Wu, Plano, TX (US);
Ke-Chi Jang, Plano, TX (US);
Chung-Ching Wang, Plano, TX (US);
Jun Li, Plano, TX (US);
Geng Wu, Plano, TX (US);
Nortel Networks Limited, St. Laurent, Quebec, CA;
Abstract
To communicate in a press-to-talk (PTT) session, a message for requesting a right to talk in the PTT session is sent over a wireless link between a mobile station and a base station system. The message for requesting the right to talk in the PTT session is sent in wireless signaling over the wireless link. An acknowledgment of the wireless signaling carrying the message is received, with the acknowledgment sent by the base station system in response to the control signaling. An indication is provided at the mobile station of the right to talk in response to the acknowledgment.