This standard is one of a series which defines and describes service capabilities within the context of an Integrated Service Digital Network (ISDN). It describes a single service capability which is a telecommunication transport capability. Such capability may be made available on a demand or a subscription arrangement.
ATIS 1000621.1992(R2009)
$132.00
Integrated Services Digital Network (ISDN) – User-to-User Signaling Supplementary Service (formerly T1.621-1992 (R2009) )
Category: ATIS