模拟电话线路语音自动自动应答，呼叫转移；自动群拨，发送通知，播放录音通知，数据库电话管理，读记事本（安装语音库）-Analog phone line automatic automatic voice response, call forwarding auto-dial group, send a notice to inform the broadcast of audio, databases, telephone management, read Notepad (installed