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ATIS 1000616.1992(R2009)

Integrated Services Digital Network (ISDN) - Call Hold Supplementary Service (formerly T1.616-1992 (R2009) )
standard by Alliance for Telecommunication Industry Solutions, 03/01/1992
Publisher: ATIS

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This standard specifies the service capabilities of the Call Hold service within the context of an Integrated Services Digital Network (ISDN).

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