Method and system for call set-up between mobile communication terminals
First Claim
Patent Images
1. A method for a call set-up between mobile communication terminals comprising steps of:
- receiving a signaling message for a call set-up with a call-incoming terminal from a call-originating terminal through short data burst (SDB);
setting up a traffic channel of the call-originating terminal depending on an origination signal sent by the call-originating terminal after transmitting the signaling message;
receiving a response message of the call-incoming terminal to the signaling message; and
setting up a traffic channel of the call-incoming terminal depending on an origination signal sent by the call-incoming terminal after transmitting the response message.
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Abstract
Disclosed are method and system for a call set-up in a mobile communication terminal. According to the invention, it is provided a structure capable of performing a call set-up using a binary Session Initiation Protocol (SIP) message of short data burst, instead of using a general traffic channel, when a call is set up between the mobile communication terminals on the basis of the SIP. Consequently, it is possible to minimize a delay time required for the call set-up between the mobile communication terminals for providing a SIP signaling protocol service.
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Citations
17 Claims
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1. A method for a call set-up between mobile communication terminals comprising steps of:
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receiving a signaling message for a call set-up with a call-incoming terminal from a call-originating terminal through short data burst (SDB);
setting up a traffic channel of the call-originating terminal depending on an origination signal sent by the call-originating terminal after transmitting the signaling message;
receiving a response message of the call-incoming terminal to the signaling message; and
setting up a traffic channel of the call-incoming terminal depending on an origination signal sent by the call-incoming terminal after transmitting the response message. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for a call set-up between mobile communication terminals comprising:
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call-originating base station and proxy server receiving a signaling message for a call set-up with a call-incoming terminal from a call-originating terminal, receiving an origination signal for a set-up of a traffic channel from the call-originating terminal after receiving the signaling message and setting up the traffic channel of the call-originating terminal depending on the origination signal;
call-incoming base station and proxy server transmitting the signaling message to the call-incoming terminal, receiving a response message to the signaling message from the call-incoming terminal, receiving an origination signal for a set-up of a traffic channel from the call-incoming terminal after receiving the response message and setting up the traffic channel of the call-incoming terminal depending on the origination signal; and
a GTS intermediating between the call-originating base station and proxy server and the call-incoming base station and proxy server, and transmitting/receiving the signaling message and the response message. - View Dependent Claims (14, 15, 16, 17)
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Specification