I try different things with Twilio, but am open to other solutions with Nexmo, Tropo or Plivo.
Here's the situation, I'm sending SMS messages from the server to a bunch of clients. I can get the status back: for example, in the queue, sending, sending, or failure. Here's what Twilio says about SMS sending status:
"Sent" indicates that your message was successfully sent into the SMS
network for delivery. However Twilio does not receive confirmation from
the destination carrier that the message was received, and this is not
a guarantee that the message has reached the intended device.
(https://www.twilio.com/help/faq/sms/what-do-the-sms-statuses-mean)
So my question is: does Plivo, Tropo or Nexmo (or any other service that I missed) do? I mean, knowing that the SMS message was received either by the client directly, or the client-carrier will be really important.
PS. I'm not even sure that this is possible.
Any help or suggestions would be appreciated.
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