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Alphanumeric Sender ID cannot be used as the 'From' number on trial accounts



ERROR: 21267

error-21267 page anchor
PROGRAMMABLE MESSAGING
ERROR

You attempted to send an SMS from a Trial Account using an Alphanumeric Sender ID as the From parameter.

Possible Causes

possible-causes page anchor

You are trying to use an Alphanumeric Sender ID on a Trial Account. Trial accounts cannot send from Alphanumeric Sender IDs

If you are using an Alphanumeric Sender ID on a Trial Account, upgrade your account.

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