| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a call system which can be immune to use under the presence of noise such as airport business and employs mobile phone terminals.SOLUTION: A mobile phone system comprises a plurality of mobile phone terminals and a server which is connected with the plurality of mobile phone terminals over a wireless network for enabling a talk between the plurality of mobile phone terminals. The mobile phone terminal includes an earphone part in charge of a function for outputting voice information to a person carrying the mobile phone terminal, and a microphone part in charge of a function for acquiring voice information from the person carrying the mobile phone terminal. The microphone part includes a push-in portion which is enabled to acquire voice information in a pushed-in state and disabled from acquiring voice information in a non-pushed-in state.</p> |
