There are Cisco 2801, 4 FXO ports connect to PSTN, CME configured and connect to H323 VoIP network by Gatekeeper.On Cisco 2801 working VoiceXML application:<?xml version="1.0"?><vxml version="2.0" base="tftp://Ñ
.Ñ
.Ñ
.Ñ
/ivr.vxml"><form id="main"> ...