| 摘要 |
PURPOSE: A method for a forcible receiving device during multiple calls between IP terminals in an IP telephone system is provided to forcibly connect with receiving IP terminals during multiple calls, thereby quickly connecting the calls as supplying user convenience by simplifying an operation. CONSTITUTION: Receiving IP terminals monitor whether a call request is generated from an originating IP terminal(510). If so, the receiving IP terminals decide whether the call request is a forcible receiving multiple call request(512). If so, the receiving IP terminals automatically transmit a connection message to the originating IP terminal(516). The receiving IP terminals perform a general call setup procedure for calling the originating IP terminal(518). The receiving IP terminals perform forcible receiving multiple calls(520), and monitor whether the forcible receiving multiple calls are completed(522). If so, the receiving IP terminals cancel the forcible receiving multiple calls(524).
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