| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone set that gives a receiver a call request notice reflecting a caller intention to talk. SOLUTION: A telephone body 20 stores each status of a plurality of call devices 50, 70 and 80. The telephone body 20 receives INVITE transmitted from an extension network 110. The telephone body 20 transmits to the extension network 110 which is a transmitter of "INVITE" such information as for determining whether or not the call is urgent. The telephone body 20 receives the determined result. The telephone body 20 transmits a call request notice instruction to all the call devices 50, 70 and 80 in case of urgency. If not in case of urgency, the telephone body 20 transmits the call request notice instruction to only a call device having a status "IDLE". COPYRIGHT: (C)2009,JPO&INPIT
|
