ATIS 1000616.1992(R2009)

Integrated Services Digital Network (ISDN) - Call Hold Supplementary Service (formerly T1.616-1992 (R2009) )

standard by The Alliance for Telecommunications Industry Solutions , 03/01/1992

Historical

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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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