sendTextMessage（）的 scAddress 参数。这是用来定义SMS中心地址。我认为，如果你正确设置它，你就可以发送信息。

sendTextMessage() has the scAddress parameter. This is used to define the SMS center address. I think if you set it correctly, you'll be able to send a message.

您可以按照本教程中找到的数量： 的http://algorithmic-indian.blogspot.hu/2011/03/how-to-change-message-center-number-in.html 你可以试试这个问题，以及how取得的android手机的SMSC多少？显然似乎没有成为一个以编程方式获取的数量。

You can find the number by following this tutorial: http://algorithmic-indian.blogspot.hu/2011/03/how-to-change-message-center-number-in.html You may try this as well how to get the smsc number of a phone in android? Apparently there doesn't seem to be a way to programmatically get the number.