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The Alliance for Telecommunications Industry Solutions, 10/01/2021
Publisher: ATIS
File Format: PDF
$134.00$269.18
Published:01/10/2021
This document specifies guidelines for the administration and assignment of Central Office (CO) Codes (NPA-NXX) and Thousands-Blocks (NPA-NXX-Xs) to Local Number Portability (LNP)-capable Service Provider (SPs) within geographic numbering plan areas (NPAs).
Synchronization Network Management Using Synchronization Status Messages
$72.00 $145.00
Integrated Services Digital Network (ISDN) Minimal Set of Bearer Services for the Basic Rate Interface (formerly T1.604-1990 (R2009) )
$105.00 $211.15
OAM&P - Model for Alarm Synchronization (Revision of T1.264-1999)
$143.00 $286.32
DS3 - Layer 1 In-Service Digital Transmission Performance Monitoring (formerly T1.231.03-2003 (R2007) )
$140.00 $281.88
