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:
Jan. 12, 2021
Filed:
Sep. 27, 2017
International Business Machines Corporation, Armonk, NY (US);
Hui Wang, Beijing, CN;
Mai Zeng, Beijing, CN;
Yu Mei Dai, Beijing, CN;
Xin Xin Lv, Beijing, CN;
Yong Wu, Beijing, CN;
Si Jun Gz Zhou, Wuhan, CN;
De Ting Hu, Beijing, CN;
Zhi Jun Wang, Beijing, CN;
International Business Machines Corporation, Armonk, NY (US);
Abstract
This disclosure provides a method and system for protecting phone numbers from being exposed to third parties. The method comprises receiving a request, from a caller smart phone, for establishing telephone communication with a callee smart phone, wherein the request contains a code to designate the smart phone of the callee. The method further comprises checking whether the code is formally provided to the callee. The method further comprises: in response to determining that the code is formally provided to the caller, retrieving the phone number of the caller and the phone number of the callee based on the request and establishing a phone call connection via a cellular network with the phone number of the caller and the phone number of the callee.