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ATIS 1000638.1999(R2015)
- B-ISDN ATM Adaptation Layer-Service Specific Coordination Function for Support of Signaling at the User-to-Network Interface (SSCF at the UNI) (formerly T1.638-1999 (R2005) )
- standard by Alliance for Telecommunication Industry Solutions, 12/01/1999
- Publisher: ATIS
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The intent of this standard is to provide a function which is part of the ATM Adaptation Layer for the support of signaling (SAAL) at the UNI of the B-ISDN. This function is used to map the service of the Service Specific Connection Oriented Protocol (SSCOP) of the AAL to the needs of layer 3 protocols for access signaling across the UNI (e.g., Q.2931). This function is called Service Specific Coordination Function (SSCF) for signaling at the UNI.
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