• ATIS 1000623.1993(R2009)

ATIS 1000623.1993(R2009)

Digital Subscriber Signalling System Number 1 (DSS1) – Signalling Specification for the User Signalling Bearer Service (formerly T1.623-1993 (R2009) )

The Alliance for Telecommunications Industry Solutions, 04/01/1993

Publisher: ATIS

File Format: PDF

$110.00$220.12


Published:01/04/1993

This standard presents the procedures at the S or T reference point for D-channel access connection on basic rate interfaces and primary rate interfaces within the Integrated Services Digital Network (ISDN) to support ISDN user signalling bearer service.

More ATIS standard pdf

ATIS 0404110-0033

ATIS 0404110-0033

Unified Ordering Model - Access Service Request UOM-ASR Volume I: Business Requirements For An Electronic Ordering Interface

$125.00 $251.46

ATIS 0300047(2018-08)

ATIS 0300047(2018-08)

800-855 Number Assignment Guidelines

$144.00 $289.97

ATIS 0300058(2018-08)

ATIS 0300058(2018-08)

Vertical Service Code Assignment Guidelines

$17.00 $35.00

ATIS 0300061

ATIS 0300061

NPA Code Relief Planning and Notification Guidelines

$116.00 $232.38