Patents by Inventor En-Kuang Lung

En-Kuang Lung 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: 6909780
    Abstract: A method for operating a telephone server includes receiving an incoming call from a caller, coupling the incoming call to a voice mail server, coupling the incoming call to a voice mail mailbox with the voice mail server, receiving a request from the caller to initiate an outbound call, saving a state of the voice mail server in response to the request, receiving dialing instructions from the caller, processing the dialing instructions to make the outbound call, and restoring the state of the voice mail server after the outbound call is terminated.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: June 21, 2005
    Assignee: Altigen Communications, Inc.
    Inventors: Gilbert Hu, En-Kuang Lung, Chiaming Jen
  • Patent number: 6532230
    Abstract: A method for recording mixed-media messages using an integrated messaging server in response to a client application, the integrated messaging server including a processor coupled to a telephone switching server, to a storage, and to a message server, includes the steps of receiving a voice message using a handset coupled with an analog line to the telephone switching server, storing the voice message in the storage, receiving a document from the client application using the message server, and associating the voice message with the document to form a mixed-media message.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: March 11, 2003
    Assignee: Altigen Communications, Inc.
    Inventors: En-Kuang Lung, Donggun Keung, Leo Liu
  • Patent number: 6493439
    Abstract: A method for routing analog Caller ID signals includes receiving an incoming telephone call for a first telephone extension, the incoming telephone call associated with a first set of analog Caller ID signals, asserting a ringing signal to the first telephone extension, the ringing signal including the first set of analog Caller ID signals, coupling the incoming call to the first telephone extension, receiving a request to couple the incoming call from the first telephone extension to a second telephone extension, receiving a request to send the first set of analog Caller ID signals to the second telephone extension, and asserting a ringing signal to the second telephone extension, the ringing signal including the first set of analog Caller ID signals.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: December 10, 2002
    Assignee: AltiGen Communications, Inc.
    Inventors: En-Kuang Lung, Leo Liu, Donggun Keung, Tzerng-Hong Lin
  • Publication number: 20020064264
    Abstract: A method for routing analog Caller ID signals includes receiving an incoming telephone call for a first telephone extension, the incoming telephone call associated with a first set of analog Caller ID signals, asserting a ringing signal to the first telephone extension, the ringing signal including the first set of analog Caller ID signals, coupling the incoming call to the first telephone extension, receiving a request to couple the incoming call from the first telephone extension to a second telephone extension, receiving a request to send the first set of analog Caller ID signals to the second telephone extension, and asserting a ringing signal to the second telephone extension, the ringing signal including the first set of analog Caller ID signals.
    Type: Application
    Filed: August 2, 2001
    Publication date: May 30, 2002
    Applicant: AltiGen Communications, Inc.
    Inventors: En-Kuang Lung, Leo Liu, Donggun Keung, Tzerng-Hong Lin
  • Patent number: 6292549
    Abstract: A method for routing analog Caller ID signals includes receiving an incoming telephone call for a first telephone extension, the incoming telephone call associated with a first set of analog Caller ID signals, asserting a ringing signal to the first telephone extension, the ringing signal including the first set of analog Caller ID signals, coupling the incoming call to the first telephone extension, receiving a request to couple the incoming call from the first telephone extension to a second telephone extension, receiving a request to send the first set of analog Caller ID signals to the second telephone extension, and asserting a ringing signal to the second telephone extension, the ringing signal including the first set of analog Caller ID signals.
    Type: Grant
    Filed: February 23, 1999
    Date of Patent: September 18, 2001
    Assignee: AltiGen Communications, Inc.
    Inventors: En-Kuang Lung, Leo Liu, Donggun Keung, Tzerng-Hong Lin