Patents by Inventor Allen Yuk Leung Yu

Allen Yuk Leung Yu 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: 8867405
    Abstract: In one implementation, voice service discovery may include a voice service discovery protocol (VSDP) and a VSDP device, which receives voice virtual local area network data and generates a packet including root voice service configuration data. The VSDP device may be in an enabled state, a listening state, or a disabled state. Receiving voice service configuration data may initiate the enabled state in the VSDP device, and the packet may be transmitted to a remote device. Voice service discovery may include advertising a voice service to a plurality of voice over internet protocol endpoints according to the root voice service configuration data.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: October 21, 2014
    Assignee: Cisco Technology, Inc.
    Inventors: Allen Yuk Leung Yu, Razmik Mampourian, Shuchuan Yao
  • Publication number: 20130259027
    Abstract: In one implementation, voice service discovery may include a voice service discovery protocol (VSDP) and a VSDP device, which receives voice virtual local area network data and generates a packet including root voice service configuration data. The VSDP device may be in an enabled state, a listening state, or a disabled state. Receiving voice service configuration data may initiate the enabled state in the VSDP device, and the packet may be transmitted to a remote device. Voice service discovery may include advertising a voice service to a plurality of voice over internet protocol endpoints according to the root voice service configuration data.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 3, 2013
    Applicant: Cisco Technology, Inc.
    Inventors: Allen Yuk Leung Yu, Razmix Mampourian, Shuchuan Yao