CCXML script to answer a Phono call, send an IM screen pop and connect to a predefined number.

ccxml-screen-pop.xml

<?xml version="1.0" encoding="UTF-8"?> 
<ccxml version="1.0" xmlns:voxeo="http://community.voxeo.com/xmlns/ccxml">

  <var name="inboundID"/> 
  <var name="outboundID"/> 
  <var name="initState" expr="'state1'" />

  <!-- Tropo API information -->
  <var name="tropoAPIToken" expr="'your-tropo-session-token'"/>
  <var name="tropoAPIEndPoint" expr="'http://api-internal.tropo.com/1.0/sessions?action=create&amp;token=' + tropoAPIToken"/>
  <var name="TropoSendURL"/>

  <var name="screenPopMessage" expr="encodeURIComponent('This is a screen pop!')"/>
  <!-- Any valid IM network name such as AIM, GTALK, MSN, JABBER, TWITTER and YAHOO. -->
  <var name="network" expr="'JABBER'"/>
  <var name="sendTo" expr="'your-im-user-name'"/>

  <eventprocessor statevariable="initState">

    <transition state="state1" event="connection.alerting"> 
      <log expr="'*** INBOUND CONNECTION ALERTING ***'"/> 
      <assign name="inboundID" expr="event$.connectionid" /> 
      <assign name="initState" expr="'state2'"/> 
      <assign name="TropoSendURL" expr="tropoAPIEndPoint + '&amp;screenPopMessage=' + screenPopMessage"/>
      <assign name="TropoSendURL" expr="TropoSendURL + '&amp;network=' + network"/>
      <assign name="TropoSendURL" expr="TropoSendURL + '&amp;sendTo=' + sendTo"/>
      <send name="'http.get'" target="TropoSendURL" targettype="'basichttp'"/>
    </transition>

    <transition event="send.successful" state="state2">
      <log expr="'*** Screen pop information sent to Tropo. Accept inbound call. ***'"/>   
      <assign name="initState" expr="'state3'"/>
      <accept connectionid="inboundID" /> 
    </transition>

    <transition event="error.send.failed" state="state2">
      <log expr="'*** ERROR: Could not send screen pop information. ***'"/>
      <assign name="initState" expr="'state3'"/>
      <accept connectionid="inboundID" /> 
    </transition>

    <transition state="state3" event="connection.connected"> 
      <assign name="initState" expr="'state4'"/> 
      <!-- 4079651112 is Voxeo Sales line -->
      <createcall dest="'tel:4079651112'" callerid="'1112223333'" connectionid="outboundID" timeout="'30s'"/> 
    </transition> 

    <transition state="state4" event="connection.progressing"> 
      <log expr="'*** CONNECTION.PROGRESSING ***'"/>  
      <assign name="initState" expr="'state5'"/> 
    </transition> 

    <transition state="state5" event="connection.connected"> 
      <assign name="initState" expr="'state6'"/> 
      <log expr="'*** CONNECTION.CONNECTED: INBOUND ***'"/>  
      <join id1="inboundID" id2="outboundID" duplex="'full'"/> 
    </transition> 

    <transition state="state6" event="conference.joined"> 
      <log expr="'*** CONFERENCE JOINED: INBOUND LEG TO OUTBOUND LEG ***'"/>  
    </transition> 

    <transition event="connection.disconnected"> 
      <log expr="'*** CONNECTION.DISCONNECTED ***'"/>  
      <exit/> 
    </transition> 

    <transition event="error.*">
      <log expr="'*** AN ERROR HAS OCCURED: ' + event$.reason  + ' ***'"/>
      <exit/>
    </transition>

  </eventprocessor> 
</ccxml>

screen-pop.php

<?php
message($screenPopMessage, array('network'=>$network, 'to'=>$sendTo));
?>