ATIS 1000073

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Technical Report on Use of the ISUP Screening Indicator for Conveying Caller ID Authentication Information

The Alliance for Telecommunications Industry Solutions , 12/01/2016

Pages: 21

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This technical report documents the use of the Integrated Services Digital Network (ISDN) User Part (ISUP) Screening Indicator, as deployed in today’s network, for conveying Caller ID Authentication information. The Technical Report (TR) assesses the reliability of the information conveyed in the ISUP Screening Indicator and identifies limitations based on current standards and regulations. In addition, the TR documents the changes required to standards, particularly ATIS-1000679, to increase the viability of using the ISUP Screening Indicator.