Patents by Inventor Lingfei Ni

Lingfei Ni has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20110255550
    Abstract: A method for service migration is disclosed. A first Serving-Call Session Control Function (S-CSCF) receives a service migration command; the first S-CSCF receives a user's register message sent by an Interrogating-Call Session Control Function (I-CSCF), and decides, according to a preset configuration policy, whether to migrate the user's service. An apparatus and a system for service migration are also disclosed. By using the method, apparatus and system disclosed herein, the user's service can be migrated flexibly.
    Type: Application
    Filed: June 30, 2011
    Publication date: October 20, 2011
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Sihai Ye, Lingfei Ni
  • Publication number: 20110211684
    Abstract: A method, device and system for judging a call type are disclosed in embodiments of the present invention. The method includes: receiving a call request from a calling terminal, where the call request carries a calling terminal number and a called terminal number; querying a number information storage server for plan information of the calling terminal number and/or the called terminal number according to the call request; and judging the call type of a call service corresponding to the call request according to the plan information of the calling terminal number and the called terminal number. In the embodiments of the present invention, a number information storage server stores and manages the number plan information uniformly, thus reducing the maintenance costs; and the method, device and system for judging a call type enable judging of the call type of a terminal.
    Type: Application
    Filed: April 25, 2011
    Publication date: September 1, 2011
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Yue Wu, Quan Yuan, Shaowei Zhang, Xuzu Shu, Guangbing Yan, Shiqiang Peng, Lingfei Ni