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, 2021
Filed:
Mar. 29, 2018
British Telecommunications Public Limited Company, London, GB;
Maria Cuevas Ramirez, London, GB;
British Telecommunications Public Limited Company, London, GB;
Abstract
A method of operating a network gateway in a cellular network to control access of at least one mobile device to a voice service accessible via the cellular network, the mobile device being connected to the network gateway via a wireless access router and wide area network, WAN, the method including receiving a request from the mobile device to access the voice service; measuring performance metrics for a non-cellular wireless network link to the mobile device; requesting observed network information from the mobile device; and comparing the quality of the non-cellular wireless network link to the mobile device against the respective quality of at least one observed network; if the quality of the non-cellular wireless network link is greater than the quality of an available observed network, allowing the request to proceed to the cellular network; and if the quality of at least one of the observed networks is higher than the current non-cellular wireless network link, rejecting the voice service request of the mobile device.