Why am I getting error 2052 – EC_BLACKLISTED_DESTINATIONADDRESS?

Error code 2052 – EC_BLACKLISTED_DESTINATIONADDRESS appears when you attempt to send messages to phone numbers that are blocked on your Do Not Contact list. This means the message cannot be delivered due to the recipient’s blocked status.

Selma Puhovac

Why it occurs

This error indicates that the destination number is listed in your Do Not Contact (DNC) list. These lists are maintained to ensure compliance with privacy regulations and respect users’ communication preferences.

For more details, refer to the Infobip Product documentation.

Steps to resolve the issue

1. Review your Do Not Contact list

– Log in to your Infobip account.
– Navigate to the Do Not Contact configuration section.
– Check if the affected number(s) are listed.

2. Remove numbers if necessary

– If you wish to re-enable communication, follow the portal instructions to remove numbers from the list.
– Ensure you have obtained clear consent from the recipients before doing so.

3. Verify contact permissions

– Confirm that recipients have opted in to receive messages.
– Make sure your actions comply with applicable privacy laws and internal policies.

4. Contact Support

If the issue persists after reviewing and updating your Do Not Contact list, contact our Support team at [email protected]. Please include:

– Your Infobip account username
– Affected destination numbers
– A summary of actions taken to resolve the error