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:
May. 03, 2016
Filed:
Nov. 19, 2014
Huawei Technologies Co., Ltd., Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
The present disclosure relates to communication technologies, and particularly, to a method, apparatus and system for maintaining contact information. The embodiment of the present invention provides a method for maintaining contact information, including: acquiring address book information of a user and authorization settings of the address book information of the user and saving the acquired in an address book server, receiving a subscription request from a subscriber device, and establishing, according to confirmation information from the subscribed-for user regarding the subscription request from the subscriber device, a subscription relation list for a subscribed-for user and subscriber device and updating, by the address book server, address book information of the subscriber device according to a subscription relation and authorization in the subscription relation list when the subscribed-for user modifies the address book information of the subscribed-for user in the address book server.