H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 3/42 (2006.01) H04L 29/02 (2006.01) H04M 3/50 (2006.01)
Patent
CA 2465092
Upon providing a new service associated with a key telephone unit to an user system, a customer center periodically acquires communication log information of the key telephone unit, generates suggestion information of an inside comprise, which is optimal to the key telephone unit, on the basis of the communication log information, and automatically transmits that suggestion information to a maintenance personal computer via the Internet.
Ebisawa Yoshimitsu
Funato Yasuo
Kato Hitoshi
Kawauchi Yoshihiro
Makita Takeshi
Gowling Lafleur Henderson Llp
Kabushiki Kaisha Toshiba
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