How to Keep Your Business Calls from Being Labeled “Potential Spam”

Outbound Calling Best Practices to Improve Call Trust and Increase Answer Rates

When customers see “Potential Spam” or an unfamiliar number on their caller ID, they’re far more likely to ignore the call — or block it altogether. For legitimate businesses, that can mean missed opportunities, reduced customer engagement and lower answer rates.

While no organization can guarantee its calls will never be labeled as spam, following proven outbound calling best practices can help improve your calling reputation, increase call completion rates and build greater trust with customers.

Why Are Legitimate Business Calls Labeled “Potential Spam”?

Call analytics providers and carriers evaluate a variety of signals to determine whether a call may be unwanted or fraudulent. Factors such as high complaint rates, excessive calling frequency, inconsistent caller IDs and poor calling list hygiene can all contribute to a business number being flagged.

The good news? Many of these factors are within your control.

8 Best Practices to Help Prevent “Potential Spam” Labels

1. Authenticate Your Calls
   One of the most effective ways to establish trust is to authenticate your outbound calls. Authentication helps carriers and analytics providers distinguish legitimate business calls from spoofed or fraudulent traffic. 
   
   Best practices: 
   * Implement STIR/SHAKEN call authentication. 
   * Use verified caller identity whenever available. 
   * Ensure calls originate only from authorized business telephone numbers.
    

2. Call Customers Who Expect to Hear From You 
   Unexpected calls are significantly more likely to be ignored — or reported as spam. Customers are more likely to answer calls they expect and recognize. 
   
   Best practices: 
   * Obtain the appropriate customer consent before calling. 
   * Clearly communicate when and why you’ll be reaching out. 
   * Honor opt-out requests promptly.
    

3. Maintain Clean and Accurate Calling Lists 
   Your customer data directly impacts your calling reputation. Calling invalid or reassigned numbers can increase complaints and negatively affect your reputation. 
   
   Best practices: 
   * Remove disconnected and invalid phone numbers. 
   * Regularly validate customer contact information. 
   * Eliminate outdated or inactive records.
    

4. Avoid Excessive Calling Frequency
   More calls don’t always produce better results. High-volume repeat calling is a common characteristic of unwanted robocalls and spam campaigns.
   
   Best practices: 
   * Limit repeated call attempts. 
   * Space outbound calls appropriately. 
   * Consider email, SMS or other communication channels when appropriate.
    

5.  Use a Consistent Caller Identity 
   Customers are more likely to answer calls from numbers they recognize. Consistent caller identity builds trust with consumers and supports stronger call reputation over time.
   
   Best practices: 
   * Use established business phone numbers.
   * Avoid unnecessary number rotation.
   * Ensure your caller ID aligns with your brand.
    

6. Monitor Your Calling Reputation 
   You can’t improve what you don’t measure. Early visibility into reputation issues allows you to respond before customer engagement suffers. 
   
   Best practices: 
   * Monitor answer rates and customer complaints. 
   * Watch for increases in blocked or unanswered calls. 
   * Track how carriers and analytics providers classify your phone numbers.
    

7. Respond Quickly to Spam Labels 
   If one of your numbers is labeled “Spam Likely,” don’t wait. Prompt remediation can help restore trust and minimize business disruption. 
   
   Best practices: 
   * Investigate the root cause. 
   * Submit remediation requests with supporting documentation.
   * Continue monitoring after changes are implemented.
    

8. Follow Industry Regulations and Calling Best Practices
   Compliance is an important part of maintaining customer trust. Responsible calling practices reduce complaints while supporting long-term trust in calls.
   
   Best practices:
   * Comply with TCPA and all applicable calling regulations.
   * Respect customer preferences and calling hours.
   * Maintain accurate records of consent.
    

Building Trust Starts with Every Call

Every outbound call represents an opportunity to strengthen customer relationships — or lose trust before the conversation even begins.

By combining call authentication, responsible outbound calling practices, consistent caller identity and ongoing label monitoring, organizations can improve answer rates, reduce the likelihood of “Spam Likely” labels and deliver a more trusted customer experience.

Building trust starts with every call — and protecting your calling reputation is an essential part of that journey.

Need help improving your outbound calling reputation? 

Whether you’re looking to reduce spam labels, strengthen caller trust or learn more about solutions that support trusted communications, the Somos team is here to help. Contact us at connect@somos.com to start the conversation.