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In this comprehensive guide, you'll find:

  • The main reasons why legitimate numbers are labeled as spam

  • Step-by-step instructions for clearing these labels yourself

  • A detailed FAQ and direct contact list for each carrier

  • How Clarktel can handle the entire resolution process for you, risk-free

1. Why Does a Legitimate Number Get Tagged as Spam?

Here’s what triggers the spam labels—and the outcomes you can expect:

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Caller-ID Spoofing

  • What Happens: Scammers disguise their robocalls using legitimate numbers.

  • Outcome: Your legitimate calls inherit negative scores from spoofed activity.

Dialing Patterns

  • What Happens: Frequent short-duration calls, hang-ups, or high call abandon rates trigger analytics suspicion.

  • Outcome: Analytics algorithms penalize your number, even with correct “A-level” STIR/SHAKEN attestation.

Consumer Complaints

  • Even a small number of complaints made through spam-report buttons can flag your number.

  • Outcome: Your number receives a negative label within hours.

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Positive Note: Spam labels are reversible. By registering your numbers properly, ensuring correct STIR/SHAKEN certification, and maintaining appropriate calling behaviors, most businesses can reclaim their positive caller-ID status in just days.

2. DIY Guide: Five Detailed Steps to Restore Your Caller-ID Reputation

Step 1: Document the Issue

  • Immediately request screenshots or photos from customers seeing the spam warning. Clearly note the label shown and the carrier displaying it.

Step 2: Verify Your Call Routing Setup

  • Confirm your phone system trunks transmit an “A-level” STIR/SHAKEN attestation (the highest level of caller-ID authenticity).

  • If you're uncertain about your attestation level, cloud-phone customers should open a ticket with Clarktel support.

Step 3: Register Your Number with Free Caller Registry

  • Visit freecallerregistry.com.

  • Easily upload your affected phone numbers via CSV file or paste them individually into the provided fields.

  • Typical Result: Spam warnings typically vanish within 24 to 72 hours post-registration.

Step 4: Escalate to the Specific Carrier (if necessary)

  • If the spam label persists after initial registration, use the FAQ carrier directory provided below.

  • Provide details such as the screenshot, call type, daily volume, and business purpose of your calls.

Step 5: Regular Monitoring & Improved Dialing Practices

  • Conduct daily test calls over two weeks to ensure the issue remains resolved.

  • Aim to keep call abandonment rates below 3%.

  • Strictly adhere to consumer opt-outs and consent rules to prevent future spam labeling.

3. Detailed FAQ & Carrier Contact Directory for Spam Label Disputes

Here is exactly how to dispute a spam label with major carriers, along with their response timelines:

  • What Does a Business Telecommunication Provider Do?
    Telecommunication companies provide telephone, internet, and security solutions, such as: Telephone and VoIP systems such as SBS Hosted PBCX Network hardware and data cabling High speed, enterprise-grade internet bandwidth Network security and firewalls Wireless networking Security systems, such as cameras, alarm systems, door access control, facial recognition, etc.
  • What is a Hosted Telephone Solution?
    Hosted telephone systems use VoIP and cloud technology in place of physical, hardware-based telephone systems. A hosted solution allows a business to reduce costs by eliminating the need to install and maintain a traditional telephone system. Instead, they can simply use their internet connection and VoIP phones on a Hosted PBX solution.
  • What is a PBX?
    A private branch exchange (PBX) is a telephone system that allows many phone lines within a business to share an external number, such as a toll-free number. Traditionally, a PBX was a physical piece of hardware on the premises, but in recent years, virtual IP PBX solutions have become more popular since they reduce setup and maintenance costs.
  • What is SBS?
    Small Business Solutions (SBS) are telecom system designed for businesses between 5 to 499 users. Our most popular SBS is Hosted PBX, which uses VoIP to eliminate the cost and complexities of hardware-based alternatives.

4. Direct Registration with Analytics Providers

You can proactively register directly with analytics vendors to prevent future issues:

First Orion

Traffic review and direct listing 

www.calltransparency.com

Free Caller Registry

Covers First Orion, Hiya, TNS www.freecallerregistry.com

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Hiya

Caller-ID name and spam management

www.hiya.com/manageyourcallerid

Neustar/TransUnion

Caller Identification including CNAM, LIDB and Fraud/Validation

Monday – Friday 8 a.m. – 8 p.m. Eastern Time.

After hours On-Call Support paging

Email Support
TransUnion Support Portal

1-844-638-7778
(option 1)

RoboKiller

Opt-out from block lists

​Email partners@robokiller.com or visit robokiller.com

TNS

Spam traffic reconciliation

reportarobocall.com/trf

Choose:

I am providing feedback about:

  • My Business or Enterprise Phone Number

My feedback is regarding:

  • My business makes legitimate calls and is not violating any consumer protection laws or other rules.

  • My business number was blocked

  • My business number was mislabeled as spam

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