Provides transmission recommendations for connections (including ISDN) carried on the public switched telecommunications network (PSTN), between network interfaces (NIs), that are all digital from end office-to-end office (EO-to-EO) with digital or analog access lines from appropriate end-user terminals or interconnecting networks. This standard was first listed in the January 16, 1998 issue of Standards Action. It is being resubmitted due to substantive changes to the text.
ANSI T1.508-1998 history
2003ANSI T1.508-2003 Telecommunications – Network Performance – Loss Plan for Evolving Digital Networks