ATIS T1.620

Integrated Services Digital Network (ISDN) - Circuit-Mode Bearer Service Category Description

Org/Number ID	ATIS T1.620
Alternate Organization ID / number	ANSI T1.620
Version(s)	1991
Bin #	0563
Comments	S2017
Status	Present
Record last updated	September 7, 2022, 3:23 pm

This is not the most recent edition of this standard.

Newer edition note: 2007