Patents Examined by Steven Kelly
  • Method and system for accessing completion of call to busy subscriber service based on identity
    Patent number: 8849248
    Abstract: A method for accessing a CCBS service based on an identity comprises: when receiving a call invite and determining that the call invite includes a call completion indicator, a Terminating Application Server (T_AS) authenticates the identity of a caller initiating the call invite, allows the access of the caller when the identity authentication is passed; and rejects the access of the caller when the identity authentication is failed.
    Type: Grant
    Filed: June 12, 2010
    Date of Patent: September 30, 2014
    Assignee: ZTE Corporation
    Inventors: Yang Gao, Shaolian Zhang, Mingjiang Zou