【摘要】 新颖的多通道IP电话智能拨号器能根据用户所拨的号码 ,自动选择合适的通道拨号 ,具备远程遥控参数设置、用户使用权限密码设置等功能。拨号器使用低功耗单片机和DTMF信号收发芯片MT88L89,用户可按使用普通电话的拨号方式使用IP电话更多还原

【Abstract】 A new multi channel intelligent dialer for IP telephone can automatically select the appropriate channel for dialing, remotely set the parameters concerned and offer the setting of passwords for the user. The dialer uses low power microcontroller and MT88L89, the DTMF signal generator and receiver. It allows the user to use the IP phone as the regular telephone in dialing.更多还原