ATIS T1.622a

Message Waiting Indicator Control and Notification Supplementary Services and Associated Switching and Signaling Specifications

Org/Number ID	ATIS T1.622a
Alternate Organization ID / number	ANSI T1.622a
Version(s)	1998
Bin #	0563
Comments	2 copies of 1998 version; S2018
Status	Present
Record last updated	September 7, 2022, 3:20 pm

This is the most recent edition of this standard.