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ATIS 1000620.1991(R2012)
- Integrated Services Digital Network (ISDN) - Circuit-Mode Bearer Service Category Description (formerly T1.620-1991 (R2007) )
- standard by Alliance for Telecommunication Industry Solutions, 12/01/1991
- Publisher: ATIS
$55.00$110.00
This standard explains the ISDN Circuit-Mode bearer services from the user's perspective.
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