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ATIS 1000647.a.1998(R2015)
- Integrated Services Digital Network (ISDN) - Conference Calling Supplementary Service-Operations Across Multiple Interfaces
- standard by Alliance for Telecommunication Industry Solutions, 12/01/1998
- Publisher: ATIS
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Supplement provides enhancements to Conference Calling to expand and improve the applicability of the ISDN Conference Calling service. Formerly known as T1.647a-1998(R2005).
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