| 摘要 |
A system and method for changing an operation parameter of a communication terminal are provided, in which necessary software is transmitted using an SMS/SIP message so that a WLAN phone, such as a WiFi phone, can maintain an optimum operation condition. The system for automatically changing an operation parameter of a communication terminal includes: a user DB storing upgrade information of an operation parameter of the communication terminal; and an upgrade server determining whether the operation parameter needs to be upgraded with reference to the user DB, and providing new operation parameter information to the communication terminal when the operation parameter needs to be upgraded.
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