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ATIS T1.TR.82-2003
- SIP Network Operators Implementers Guide for Pre-Paid Calling Card, with DTMF Detection at the PSTN-IP Gateway
- standard by Alliance for Telecommunication Industry Solutions, 09/01/2003
- Publisher: ATIS
$55.00$110.00
This document provides a solution for the implementation of a Pre-Paid Calling Card application in the IP domain for circuit switched orginated calls. The SUBSCRIBE and NOTIFY requests are used to request DTMF monitoring and notification of detection in order to enable caller-initiated re-origination request while a call is in progress.
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