08433300 is referenced by 34 patents and cites 1 patents.

The system comprising a first communication device and a second communication device, wherein when the door is locked by the first communication device, a door locked message is operable to be displayed on the first communication device and the second communication device, wherein when the door is unlocked by the first communication device, a door unlocked message is operable to be displayed on the first communication device and the second communication device, and wherein when a phone call is received by the first communication device and a message is left for the first communication device, a message leaving log data is produced.

Title
Communication device
Application Number
12/979530
Publication Number
8433300 (B1)
Application Date
December 28, 2010
Publication Date
April 30, 2013
Inventor
Iwao Fujisaki
Tokyo
JP
IPC
H04K 3/00
H04M 3/42
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