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APPARATUS AND METHOD FOR SELECTING A QoS IN A PORTABLE COMMUNICATION SYSTEM

  • US 20090025053A1
  • Filed: 07/15/2008
  • Published: 01/22/2009
  • Est. Priority Date: 07/18/2007
  • Status: Active Grant
First Claim
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1. A method for providing a video communication service having a selectable Quality of Service (QoS) in a portable terminal, the method comprising:

  • when using a high quality video communication service, sending a request for the high quality video communication service to a destination terminal using a Circuit Service Data (CSD) channel;

    receiving a reply message to the high quality video communication service request and, when the reply message is an acceptance of an execution of the high quality video communication service, disconnecting the CSD channel and then connecting a Packet Service Data (PSD) channel; and

    providing the high quality video communication service using the PSD channel.

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