Deliviery Reports, notifications, and DLR

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When your text message is delivered (or fails to be delivered), Tropo can send you a notification webhook, indicating the message status, the time it was delivered, and other information. This webhook is delivered moments after the carrier reports the status back to Tropo, and generally arrives nearly simultaneously with the message arriving.

Not all carriers support delivery reporting (DLR in carrier-speak), and users roaming outside their home country may not properly send a report.

Read the documentation on delivery webhooks for details.

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