Your shopping cart is empty!
The Alliance for Telecommunications Industry Solutions, 07/15/2014
Publisher: ATIS
File Format: PDF
$119.00$238.17
Published:15/07/2014
Pages:12
Line-Powering of Telecommunications Equipment on Outside Plant (OSP) Copper Twisted Pair Loops
$107.00 $214.52
Thousands-Block Number (NXX-X) Pooling Administration Guidelines
$144.00 $288.80
555 NXX Line Number Reference Document
$119.00 $238.09
Industry Guidelines for Toll Free Number Administration
$104.00 $209.07