| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To configure a simple and appropriate telephone system in which a cellphone terminal can be used as an extension terminal, and manage the cellphone terminal appropriately in an exchange apparatus. <P>SOLUTION: A cellphone terminal 5 is connected to a dock device 4 (Step S1, S2), and the dock device 4 receives identification information (SIM card information) provided from the cellphone terminal 5 and manages the identification information in an internal ID management memory 425 (Step S3-Step S5). The cellphone terminal 5 releases (invalidates) the identification information to disable communication through a cellphone network (Step S6). The dock device 4 provides terminal registration data for a SIP server 1 and the cellphone terminal 5 (Step S7-Step S11) to make the cellphone terminal 5 function only as a telephone terminal subordinate to the SIP server 1. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
