如何访问 PCMCIA 调制解调器的序列号？
Sprint 蜂窝调制解调器可插入笔记本电脑 - 通常是 PCMCIA 插槽。 为了进行连接，用户打开一个名为“连接管理器”的程序。 该程序有一个菜单选项，用于显示当前插入的调制解调器的序列号和电话号码。
这是否意味着调制解调器的序列号/电话号码可供系统上运行的其他程序使用？ （注意：我们假设这是 Windows XP。）
具体来说，公司的 VPN 软件是否可以配置为传递有关使用哪个调制解调器进行连接的信息？
最后，现有的 VPN 软件是否已经具备此功能，还是必须进行自定义编程？
A Sprint cellular modem plugs into a laptop - often the PCMCIA slot. To connect, the user opens a program called the Connection Manager. This program has a menu option to display the serial number and phone number of the modem that's currently inserted.
Does that imply that the serial/phone number of the modem could be available to other programs running on the system? (Note: let's assume this is Windows XP.)
Specifically, could a company's VPN software be configured to pass along information about which modem is being used to connect?
Finally, is there existing VPN software that already does this, or would it have to be custom-programmed?
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打开超级终端或以编程方式建立串行端口连接，并使用 Hayes AT 语言与之对话。 大多数软件也将其列在设备属性和/或诊断中。
AT+GSN
按回车键
Open hyperterminal or make a serial port connection programatically and use Hayes AT language to talk to it. Most software also has it listed in the device properties and/or diagnostics.
AT+GSN
press enter
有时您可以使用 AT 命令集获取调制解调器的序列号。 要查看此操作的实际情况，请转到控制面板并打开“电话和调制解调器选项”。 选择“调制解调器”选项卡，选择您感兴趣的调制解调器，然后选择“属性”。
在调制解调器窗口中，选择“诊断”选项卡，然后按“查询调制解调器”按钮。
这将打开串行端口并发送一系列 AT 命令来收集各种设置和信息。 您可以在程序（或终端程序）中打开串行端口，发送 AT 命令，并获取相同的信息。
您可能需要检查特定调制解调器的 AT 命令集以查找序列号的存储位置，或者使用串行端口间谍程序来查看 Sprint 的程序如何执行此操作。
我不知道有任何 VPN 使用此信息，并且我可以想到多种方法来欺骗它，因为调制解调器和计算机之间的通信在加密上并不安全。
-亚当
Sometimes you can get the modem's serial number using the AT command set. To see this in action, go to your control panel and open up Phone and Modem Options. Select the Modems tab, select the modem you're interested in, and choose Properties.
In the modem window, select the Diagnostics tab, and press the Query Modem button.
This opens the serial port and sends a series of AT commands to gather various settings and information. You can open the serial port in your program (or a terminal program), send the AT command, and get the same information back.
You may need to check your specific modem's AT command set to find where the serial number is stored, or use a serial port spy program to see how Sprint's program does it.
I'm not aware of any VPNs that use this information, and I can think of several ways to spoof it, since communications between the modem and the computer are not cryptographically secure.
-Adam