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The Alliance for Telecommunications Industry Solutions, 05/01/2019
Publisher: ATIS
File Format: PDF
$235.00$470.00
Published:01/05/2019
File Size:1 file , 590 KB
Small Exchange Carrier Access Billing (SECAB) 10
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Spectrum Management for Loop Transmission Systems (formerly T1.417-2003 (R2007) )
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SIP Network Operators Implementers Guide for Pre-Paid Calling Card, with DTMF Detection at the PSTN-IP Gateway
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Industry Guidelines for Toll Free Number Administration
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