i3Forum is an industry body driving global collaboration and innovation. Our community helps enable and accelerate transformation across the international communications ecosystem.

Restore Trust

The rapid growth of unwanted and/or illegal communications (spamming, spoofing, robocalling, and more) is severely damaging public trust in communications.

Working together with the National Regulatory Authorities and other stakeholders, we are building a framework for harmonized global guidance and industry-viable solutions.

Numbering Plan Community

Crowd Sourced Information on the Global Numbering Plan

Accurate and timely Numbering Plan updates provided by peers.

Coverage and synchronization of Numbering Plan changes continually improved and validated by experts exchanging live information across the industry.

Work Groups

Technology

Fostering collaboration. Driving tangible industry benefits.

Market Data

Intelligence in action. Delivered on a common platform.

Fight Fraud

Uniting the industry. Restoring trust.

Numbering Plan

Building a community of experts.

Cloud Numbers and Inbound Calling

Common place to share information.

Featured documents

Technology

Solutions for Restoring Trust in CLI for International Calls
Rel 1.0 – May 30th , 2025

Technology

Solutions for Restoring Trust with Mobile Roamer Identification Verification
Rel. 1.0 – May 30th, 2025

Fight Fraud
Know Your Customer / Know Your Traffic
Code of Conduc
September 2025
Cloud Numbers and Inbound Calling

CLOUD NUMBERS USE CASES
September 2025

i3Forum Members

Board of Directors

Partner Organizations

News & Resources

Replay | i3Forum Webinar: Driving KYC Guidance to Fight Telecom Fraud 

Watch the replay. i3Forum Webinar: Driving KYC Guidance to Fight Telecom Fraud. i3Forum releases global KYC Code of Conduct.
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i3Forum Cloud Numbers and Inbound Calling Workgroup Releases Pivotal Guidance for Evolving Telecom Landscape

i3Forum’s latest paper brings much needed clarity to cloud number services by mapping real-world use cases, highlighting carrier roles, and introducing the concept of “Know the Use Case” (KUC).
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Register Now | i3Forum Webinar: Driving KYC Guidance to Fight Telecom Fraud 

i3Forum Webinar: Driving KYC Guidance to Fight Telecom Fraud Sept 30th, 2025
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Join Us

i3Forum is an industry body driving global collaboration and innovation.

Our community helps enable and accelerate transformation across the international communications ecosystem.