摘要 |
The present invention is provided to update a firmware of an emergency service system simultaneously supplying mobile communications and codeless telephone communications. The present invention is utilized to complement user convenience and an emergency service function by updating the firmware of a codeless telephone repeater and the firmware of an emergency service terminal through a mobile network. [Reference numerals] (100) Mobile communication module;(110) Mobile communication modem;(130) Control unit;(200) Cordless telephone module;(210) Cordless telephone modem;(300) Memory;(AA) Emergency service terminal |