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ATIS 0300047
- 800-855 Number Assignment Guidelines
- standard by Alliance for Telecommunication Industry Solutions, 11/09/2012
- Publisher: ATIS
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This document specifies guidelines for the assignment of line numbers within the 800-855-XXXX resource which will only be used for the purpose of accessing public services on the Public Switched Telephone Network (PSTN) intended for the deaf, hard of hearing or speech impaired.
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