Your shopping cart is empty!
The Alliance for Telecommunications Industry Solutions, 10/01/2013
Publisher: ATIS
File Format: PDF
$128.00$257.90
Published:01/10/2013
Pages:22
ATIS Standard for IMS-based Next Generation Emergency Services Network Interconnection
$137.00 $275.00
Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines
$148.00 $296.96
VoIP Interconnection over the Public Internet
$30.00 $60.00
Human-to-Machine Interface Specification for Telecommunications Management
$15.00 $30.00