发明名称 COMMUNICATION DEVICE, ITS CONTROL METHOD, AND CONTROL PROGRAM
摘要 <P>PROBLEM TO BE SOLVED: To shorten communication time when a plurality of pieces of data are transmitted by use of SIP. <P>SOLUTION: When a CPU 1-1 transmits a plurality of pieces of data different from each other to a destination device, it transmits a connection request message to request a plurality of media sessions. When the CPU receives a connection response message from the destination device, the CPU will determine whether or not the plurality of media sessions have been permitted from the connection response message. If the plurality of media sessions have been permitted, the CPU will establish the plurality of media sessions, and transmit each of the plurality of pieces of data to the destination device by each of the media sessions. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013115478(A) 申请公布日期 2013.06.10
申请号 JP20110257455 申请日期 2011.11.25
申请人 CANON INC 发明人 YOKOKURA HIDENORI
分类号 H04L12/70;H04L12/911;H04N1/32 主分类号 H04L12/70
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