Patents by Inventor Yu Che Wang

Yu Che Wang 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).

  • Method for dialing from internet extension to conventional extension
    Patent number: 9118746
    Abstract: A system for dialing from Internet extension of other SIP proxy server to conventional extension is disclosed. A VoIP gateway or an IP auto attendant is used for dialing from Internet extension to conventional extension. The phone number of the Private Branch Exchange and the voice guidance are not needed. The calling number of SIP message is interpreted directly and converted into DTMF (Dual-tone multi-frequency) messages for dialing into a conventional extension.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: August 25, 2015
    Assignee: NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY
    Inventors: Shaw Hwa Hwang, Shun Chieh Chang, Kuan Lin Chen, Chi Jung Huang, Li-Te Shen, Ben Chen Liu, Yu Che Wang
  • METHOD FOR DIALING FROM INTERNET EXTENSION TO CONVENTIONAL EXTENSION
    Publication number: 20130279498
    Abstract: A system for dialing from Internet extension of other SIP proxy server to conventional extension is disclosed. A VoIP gateway or an IP auto attendant is used for dialing from Internet extension to conventional extension. The phone number of the Private Branch Exchange and the voice guidance are not needed. The calling number of SIP message is interpreted directly and converted into DTMF (Dual-tone multi-frequency) messages for dialing into a conventional extension.
    Type: Application
    Filed: June 18, 2013
    Publication date: October 24, 2013
    Inventors: Shaw Hwa HWANG, Shun Chieh CHANG, Kuan Lin CHEN, Chi Jung HUANG, Li-Te SHEN, Ben Chen LIU, Yu Che WANG
  • System for dialing from internet extension to conventional extension
    Patent number: 8488595
    Abstract: A system for dialing from Internet extension to conventional extension is disclosed. A VoIP gateway or an IP auto attendant is used for dialing from Internet extension to conventional extension. The phone number of the Private Branch Exchange and the voice guidance are not needed. The calling number of SIP message is interpreted directly and converted into DTMF (Dual-tone multi-frequency) messages for dialing into a conventional extension.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: July 16, 2013
    Assignee: National Taipei University of Technology
    Inventors: Shaw Hwa Hwang, Shun Chieh Chang, Kuan Lin Chen, Chi Jung Huang, Li Te Shen, Ben Chen Liu, Yu Che Wang
  • Method for dialing between internet extensions
    Patent number: 8279855
    Abstract: A method for dialing between Internet extensions is disclosed. When dialing between Internet extensions, just dial the switchboard phone number of SIP proxy server plus “-” and then dial the extension phone number of the opposite Internet extension directly. It is not necessary to use a voice guidance for asking dialing of the extension phone number of the opposite Internet extension.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: October 2, 2012
    Assignee: National Taipei University of Technology
    Inventors: Shaw Hwa Hwang, Yu Che Wang, Shun Chieh Chang, Kuan Lin Chen, Chi Jung Huang, Li Te Shen, Ben Chen Liu
  • Method for dialing from internet extension to conventional extension
    Publication number: 20110002326
    Abstract: A method for dialing from Internet extension to conventional extension is disclosed. A VoIP gateway or an IP auto attendants is used for dialing from Internet extension to conventional extension. The phone number of the Private Branch Exchange and the voice guidance are not needed. The calling number of SIP message is interpreted directly and converted into DTMF (Dual-tone multi-frequency) messages for dialing into a conventional extension.
    Type: Application
    Filed: September 29, 2009
    Publication date: January 6, 2011
    Applicant: National Taipei University of Technology
    Inventors: Shaw Hwa Hwang, Shun Chieh Chang, Kuan Lin Chen, Chi Jung Huang, Li-Te Shen, Ben Chen Liu, Yu Che Wang
  • Method for dialing between internet extensions
    Publication number: 20100329240
    Abstract: A method for dialing between Internet extensions is disclosed. When dialing between Internet extensions, just dial the switchboard phone number of SIP proxy server plus “-” and then dial the extension phone number of the opposite Internet extension directly. It is not necessary to use a voice guidance for asking dialing of the extension phone number of the opposite Internet extension.
    Type: Application
    Filed: September 29, 2009
    Publication date: December 30, 2010
    Applicant: National Taipei University of Technology
    Inventors: Shaw Hwa Hwang, Yu Che Wang, Shun Chieh Chang, Kuan Lin Chen, Chi Jung Huang, Li-Te Shen, Ben Chen Liu