Your shopping cart is empty!
The Alliance for Telecommunications Industry Solutions, 04/01/2010
Publisher: ATIS
File Format: PDF
$138.00$277.21
Published:01/04/2010
Pages:48
Guidelines for the Administration of Telephone Numbers
$109.00 $219.96
Metrics Characterizing Packet-Based Network Synchronization
$87.00 $175.00
International Inbound NPA (INT/NPA/NXX) Assignment Guidelines
$130.00 $261.56
$122.00 $244.37