John Cao Vinh Nguyen

5 Patents

• US125982202026

  RCS Proxy System and Method for PSAP Sessions

  Verizon Patent And Licensing Inc.

  0 cites
• US125683512026

  Systems and Methods for Bypassing Service Continuity Gateways Based on Roaming

  Verizon Patent And Licensing Inc.

  0 cites
• US124706542025

  Systems and Methods for Network-based Identification of Priority Services

  Verizon Patent And Licensing Inc.

  0 cites
• US124394772025

  System and Method for Communicating Emergency Information in an Emergency Call

  Verizon Patent And Licensing Inc.

  0 cites
• US119301332024

  Systems and Methods for Redirecting an Emergency Callback to a Contact of an Emergency Caller

  Verizon Patent And Licensing Inc.

  0 cites