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FAQs About Carrier Filtering
FAQs About Carrier Filtering
Jack Kennedy avatar
Written by Jack Kennedy
Updated over 11 months ago

Why Do Message Filtering Systems Exist?

  • Purpose: To protect mobile subscribers from spam, fraud, or abuse and to enforce messaging rules or regulations.

  • Impact: Protecting users and complying with various country or network-specific messaging regulations.

How Does Message Filtering Work?

  • Mechanism: Ranges from simple lists of prohibited terms to advanced machine learning systems.

  • Implementation: Whippy uses filtering to comply with Messaging Policy, Acceptable Use Policy (AUP), and carrier regulations.

How Can I Tell if My Messages Are Being Filtered?

  • Indicators: "Undelivered" status and an error message in your conversation, campaign and or sequence.

  • Limitations: Sometimes it’s not clear if a message has been filtered, as carriers might report filtered messages as “delivered”.

How Can I Prevent My Messages From Being Filtered?

  • Guidelines: Follow Whippy’s AUP and Messaging Policy. Keep your account secure and adhere to SMS guidelines for specific countries.

  • Resources: Visit our detailed guide: [How to Prevent Whippy Messages from Being Filtered].

Why Am I Charged for Filtered Messages?

  • Reasoning: Operational costs of running an effective filtering system and the incurred cost of sending messages to carriers.

  • Benefits: Ensures trusted communications and provides insights to improve messaging strategies.

What If My Messages Are Being Filtered By Mistake?

  • Action Steps: Collect examples of Message IDs with “failed” status. Contact our Support team for a review.

  • Support: We offer assistance to ensure compliance and address potential errors.

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