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Toll Free verification rejection - Unknown Error

ERROR: 30440

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The toll-free phone number cannot be verified due to an unknown error. Messaging traffic on this Toll-Free phone number is blocked.

Possible Causes

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See Toll-Free best practices(link takes you to an external page) for resources on how to implement Toll-Free messaging.

See what happens to traffic(link takes you to an external page) if a Toll-Free verification is rejected

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