What Causes AN SMS To Fail?
Modified on: Tue, 18 Oct, 2022 at 5:45 PM
A text message in a campaign can fail due to the following reasons:
1. Twilio rejects the number
2. Bad/ landline number
3. Message not sent by Twilio
4. Message sent but never delivered
For more information on why a particular sms failed:
1. Log into your Twilio account
2. Click the cog icon at top-right and choose Sub-Accounts then select the sub-account
3. Click the circle icon with three dots in the left column and select Programmable SMS
4. Click Logs then set your timeframe and filter by Status = Failed or Status = Undelivered
5. When you find the message, hover over the question mark icon to see error code/explanation
