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:
Jul. 18, 2006
Filed:
Oct. 21, 2002
Howard Thomas, Swindon, GB;
Gerry Foster, Swindon, GB;
Howard Thomas, Swindon, GB;
Gerry Foster, Swindon, GB;
Motorola, Inc., Schaumburg, IL (US);
Abstract
This invention relates to a communication system (), user equipment () and method of performing a conference call. The communication system () employs discontinuous transmission and has a plurality of user equipment () and a fixed network (). It further comprises a speech metric processor () for determining if speech is originating at the user equipment. The system also comprises a silence descriptor frame generator () which generate silence descriptor frames if no speech is originating and a conference call processor () for determining if a call involving the user equipment is a conference call. Furthermore the communication system comprises means () for suppressing silence descriptor information of the silence descriptor frames if the call is a conference call. The invention is applicable to cellular mobile radio communication systems such as UMTS.