通过连接的语音呼叫在移动电话之间传输数据
我需要一种快速可靠的方法，将控制命令（简单数据，可能只有几十个可能的命令）发送到使用智能手机* 作为其板载计算机的远程系统。我认为用于移动互联网数据传输的标准数据包对于控制目的来说太不可靠，但是我注意到一旦发起语音呼叫，它就更加可靠。在通过连接的呼叫在电话之间发送数据方面是否有任何进展？如果没有，是否有任何已知原因无法使用软件形式的修改后的拨号调制解调器？
此外，该协议是否足够强大，可以发送回低分辨率视频和其他简单的数字数据？
*智能手机 - 具有强大处理能力并能够运行自定义程序的手机（最有可能具有基于 Android 的操作系统，但我愿意接受建议）
I require a fast reliable method of sending control commands (simple data, possibly only a few dozen possible commands) to a remote system which is using a smartphone* as its onboard computer. I have deemed standard data packages used for mobile internet data transfer as too unreliable of control purposes, however I have noticed that once a voice call is initiated it is much more reliable. Has there been any development into sending data between phones across a connected call, and if not are there any known reasons a modified dialup modem in software form couldn't be used?
Furthermore, could this protocol be robust enough to send back low res video and other simple numeric data?
*Smartphone - A phone with significant processing power and ability to run custom programs (most likely with an Android based OS however am open to suggestions)
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您尝试过短信吗？虽然您不会获得视频数据，但它可能适用于小块数据。此外，如果小块是从电话到服务器，您可以尝试沿线路发送 DTMF（但是我还没有看到它有效。
除此之外，它是定制的硬件。
Have you tried SMS? while you won't get video data it may work for small chunks of data. Also if the small chunks are from the phone to a server, you may try sending DTMF down the line (however I've yet to see that working.
Other than that it's customised hardware.
嗯...这让我想起了像雨果这样的旧电视游戏...在那里您有了语音连接，我认为命令是由0-9键的钥匙的不同音调给出的。也许您应该尝试类似的事情。
Hmmm...this reminds me of those old TV games like Hugo...there you had a voice connection and I think the commands were given by the different tone of the key pressed from 0-9. Maybe you should try something similar.