Patents by Inventor Baquer Ali Chabuk Savar

Baquer Ali Chabuk Savar 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).

  • Patent number: 11178274
    Abstract: Systems and methods are described herein for determining dropped call rates (DCR) for various communications networks, such as IP Multimedia Networks (IMS), which include Voice over LTE (VoLTE) networks. For example, the systems and methods utilize data (e.g. abnormal cause codes) generated by layers of the IMS networks, such as a Session Initiation Protocol (SIP) layer of the IMS network, when determining dropped call rates for IMS networks.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: November 16, 2021
    Assignee: T-Mobile USA, Inc.
    Inventors: Dawn Donnenwirth, Le Roy Munar, Ting Zhang, Baquer Ali Chabuk Savar, Muhammad Tawhidur Rahman
  • Publication number: 20200137219
    Abstract: Systems and methods are described herein for determining dropped call rates (DCR) for various communications networks, such as IP Multimedia Networks (IMS), which include Voice over LTE (VoLTE) networks. For example, the systems and methods utilize data (e.g. abnormal cause codes) generated by layers of the IMS networks, such as a Session Initiation Protocol (SIP) layer of the IMS network, when determining dropped call rates for IMS networks.
    Type: Application
    Filed: December 31, 2019
    Publication date: April 30, 2020
    Inventors: Dawn Donnenwirth, Le Roy Munar, Ting Zhang, Baquer Ali Chabuk Savar, Muhammad Tawhidur Rahman
  • Patent number: 10609211
    Abstract: Systems and methods are described herein for determining dropped call rates (DCR) for various communications networks, such as IP Multimedia Networks (IMS), which include Voice over LTE (VoLTE) networks. For example, the systems and methods utilize data (e.g. abnormal cause codes) generated by layers of the IMS networks, such as a Session Initiation Protocol (SIP) layer of the IMS network, when determining dropped call rates for IMS networks.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: March 31, 2020
    Assignee: T-Mobile USA, Inc.
    Inventors: Dawn Donnenwirth, Le Roy Munar, Ting Zhang, Baquer Ali Chabuk Savar, Muhammad Tawhidur Rahman
  • Publication number: 20180270346
    Abstract: Systems and methods are described herein for determining dropped call rates (DCR) for various communications networks, such as IP Multimedia Networks (IMS), which include Voice over LTE (VoLTE) networks. For example, the systems and methods utilize data (e.g. abnormal cause codes) generated by layers of the IMS networks, such as a Session Initiation Protocol (SIP) layer of the IMS network, when determining dropped call rates for IMS networks.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 20, 2018
    Inventors: Dawn Donnenwirth, Le Roy Munar, Ting Zhang, Baquer Ali Chabuk Savar, Muhammad Tawhidur Rahman