英文:
Twilio status says Delivered but the SMS was not received
问题
我们正在使用Twilio通过我们的C#应用程序发送短信消息。
我们在美国。当向美国的手机号发送短信时，应用程序按预期运行。
然而，当我们的应用程序尝试发送到马来西亚的手机号时，一切似乎在应用程序中正常工作。没有错误。而且Twilio的消息日志显示“已交付”，但用户却没有收到短信。
然而，另一个马来西亚用户似乎能够接收到短信消息。
这可能是什么原因？
英文:
We are using Twilio to send SMS messages through our C# application.
We are in the US. When sending SMS to US mobile numbers, the app works as expected.
However, when our app tries to send to a Malaysia mobile, everything seems to work in the app. No errors. Plus the Twilio message logs say "Delivered", but the user does NOT get the SMS.
However, it does look like another Malaysian user is able to receive the SMS message.
What could cause this?
答案1
得分: 1
如果这只是与一个特定用户有关的问题，这可能是一个特定设备的问题（以前在将消息从美国号码发送到印度用户时，已经注意到过iPhone处于免打扰模式），或者是与特定本地移动运营商有关的问题。
您是否已经能够评估两位马来西亚用户之间的区别（不同的设备型号、不同的运营商等等）？
英文:
If this is an issue with just one particular user, it might be a device-specific issue (have noticed this in the past with iPhones on DND mode when sending messages from US numbers to Indian users) or an issue with a particular local cellular carrier.
Have you been able to evaluate what's different between the two Malaysian users (different device models, different carriers, etc.)?
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