| 摘要 |
A mobile phone with built-in voice recorder which can record conversation for a fixed line telephone. The voice recorder is a digital recording device. The voice recorder can record conversation of the mobile phone and externally input audio signal under control of a control unit. The mobile phone has a connecting interface for connecting a telephone adapter connected to a fixed line telephone. The telephone adapter converts a audio signal of the fixed line telephone to the mobile phone for recording.
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