The Wireless Industry

America’s wireless industry is defined by innovation, ingenuity and enterprise.


CTIA advocates on behalf of America’s wireless industry for legislative and regulatory policies that foster greater innovation, investment and economic growth.

Legal Documents and Filings

FCC Filings, Federal State Legislative Activity, Testimony, etc.

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Consumer Resources

The wireless industry is committed to helping consumers enrich their lives through mobile technologies and services.


Learn more about CTIA’s initiatives, recent developments and events.

Press Contact

For media and press inquiries, contact the CTIA Public Affairs Team.

About CTIA

CTIA represents the U.S. wireless communications industry and companies throughout the mobile ecosystem.

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CTIA offers four membership types based on company type and need.

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Consumer Resources

Windows Robocall Blocking .

Windows Robocall Blocking


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Watch for step-by-step instructions on how to block robocalls on Windows devices.

Windows devices heavily rely on in-platform solutions.

For additional resources on Lumina phones, please visit “App List” then “Settings” then “Call + SMS filter.” For non-Lumina phones, please visit “App List” then “Settings” then “Call Blocking.”

Call + SMS FilterFreeBlacklist callers
Truecaller$0.99Block unwanted calls from spammers and telemarketers
WhoscallFreeReverse lookup and warning list flag potential spam numbers
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