SERVICE PROVIDING METHOD FOR ELECTRONIC DEVICE, CUSTOMER CENTER, AND USER SYSTEM

摘要

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 telephony, unit, on the basis of the communication log information, and automatically transmits that suggestion information to a maintenance personal computer via the Internet.