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:
Mar. 20, 2012
Filed:
Sep. 14, 2004
Olli Matti Hynönen, Espoo, FI;
Keijo Tapio Laiho, Masala, FI;
Anders Wannfors, Bromma, SE;
Kimmo Rantanen, Vantaa, FI;
Olli Matti Hynönen, Espoo, FI;
Keijo Tapio Laiho, Masala, FI;
Anders Wannfors, Bromma, SE;
Kimmo Rantanen, Vantaa, FI;
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
A method of setting up and/or controlling a multimedia call involving an H.324 enabled user terminal and a circuit switched connection terminating at the user terminal and at a video gateway, the method comprising: sending DTMF control signals over the circuit switched connection within H.245 protocol control messages; and on the basis of said DTMF control signals, routing or re-routing the connection to an appropriate data source or mapping the connection to an appropriate data source.