ATIS Standard on Toll-Free Numbers in the SHAKEN Framework (ATIS-1000093)
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- Create Date December 1, 2020
- Last Updated October 24, 2022
Description
This document is intended to cover calls using Toll-Free Numbers (TFNs) within the SHAKEN
Framework. This addresses calls where the calling party number displayed in the Caller ID is a TFN. This
document considers scenarios involving the calling party’s use of the TFN in order to enable them to
attain full attestation for the TFN.