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. 27, 2020
Filed:
Apr. 29, 2016
Huawei Technologies Co., Ltd., Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A call switching method includes: when a first terminal device detects an input operation that is of initiating a call request to a second terminal device, or when a first terminal device receives a first call request that is initiated by a second terminal device by using a second-type communications network, detecting whether both the first terminal device and the second terminal device are in a first-type communications network; and when the first terminal device detects that both the first terminal device and the second terminal device are in the first-type communications network, initiating a second call request to the second terminal device by using the first-type communications network, or sending first prompt information to the second terminal device.