| 摘要 |
According to an aspect of the present invention, there is provided a mobile communication system which comprises a plurality of base stations each accommodating mobile terminals via radio channels, and base station control devices connecting the base stations to an Internet Protocol (IP) network via cable channels, and achieves voice communication through Voice over IP (VoIP) via the IP network. And the mobile communication system comprises a system management device which is connected to the base station control devices via the IP network and acquires operation information of the plurality of base stations through the base station control devices. |
