[HKEY_LOCAL_MACHINE\ExtModems]

[HKEY_LOCAL_MACHINE\ExtModems\GenericInfraredModem]
"Port"="COM3:"
"FriendlyName"="通用IrDA"
"DeviceType"=dword:00000001

[HKEY_LOCAL_MACHINE\ExtModems\HayesCompat]
"FriendlyName"="COM1 上的 Hayes 兼容调制解调器:"
"DeviceType"=dword:00000001
"Port"="COM1:"

[HKEY_LOCAL_MACHINE\ExtModems\bluetooth_dcn]
"FriendlyName"="蓝牙 设备"
"DeviceType"=dword:00000008
"port"="COM6:"

[HKEY_LOCAL_MACHINE\ExtModems\bluetooth_dun]
"FriendlyName"="蓝牙"
"DeviceType"=dword:00000007
"port"="COM7:"

以上信息被应用于连接里面，可设置添加