function callback_engine(&$A2B, $server, $username, $secret, $AmiVars, $destination, $tariff) {
$A2B -> cardnumber = $AmiVars[4];
if ($A2B -> callingcard_ivr_authenticate_light ($error_msg))
{
$RateEngine = new RateEngine();
$RateEngine -> webui = 0;
// LOOKUP RATE : FIND A RATE FOR THIS DESTINATION
$A2B -> agiconfig['accountcode'] = $A2B -> cardnumber;
$A2B -> agiconfig['use_dnid'] = 1;
$A2B -> agiconfig['say_timetocall'] = 0;
$A2B -> extension = $A2B -> dnid = $A2B -> destination = $destination;
$resfindrate = $RateEngine->rate_engine_findrates($A2B, $destination, $tariff);
// IF FIND RATE
if ($resfindrate!=0)
{
$res_all_calcultimeout = $RateEngine->rate_engine_all_calcultimeout($A2B, $A2B->credit);
if ($res_all_calcultimeout)
{
$ast = new AGI_AsteriskManager();
$res = $ast -> connect($server, $username, $secret);
if (!$res) return -4;
// MAKE THE CALL
$res = $RateEngine->rate_engine_performcall(false, $destination, $A2B, 8, $AmiVars, $ast);
$ast -> disconnect();
if ($res !== false) return $res;
else return -2; // not enough free trunk for make call
}
else return -3; // not have enough credit to call you back
}
else return -1; // no route to call back your phonenumber
}
else return -1; // ERROR MESSAGE IS CONFIGURE BY THE callingcard_ivr_authenticate_light
}
$instance_table = new Table("cc_callback_spool");
$FG_TABLE_CLAUSE = "callerid='{$A2B->config['callback']['callerid']}' and exten_leg_a='{$A2B->destination}' and timediff(now(),entry_time)<{$A2B->config['callback']['sec_avoid_repeate']}";
$FG_NB_RECORD = $instance_table -> Table_count ($A2B -> DBHandle, $FG_TABLE_CLAUSE);
if (!is_array($result) && $FG_NB_RECORD == 0) {
$resfindrate = $RateEngine->rate_engine_findrates($A2B, $A2B -> destination, $A2B -> tariff);
// IF FIND RATE
if ($resfindrate!=0) {
//$RateEngine -> debug_st = 1;
$res_all_calcultimeout = $RateEngine->rate_engine_all_calcultimeout($A2B, $A2B->credit);
if ($res_all_calcultimeout){
// MAKE THE CALL
$channeloutcid = $RateEngine->rate_engine_performcall($agi, $A2B->destination, $A2B, 9);
if ($channeloutcid) {
$channel = $channeloutcid[0];
$sep = ($A2B->config['global']['asterisk_version'] == "1_2" || $A2B->config['global']['asterisk_version'] == "1_4")?'|':',';
if (isset($A2B -> cidphonenumber) && $A2B -> cidphonenumber) {
$exten = $A2B -> cidphonenumber;
$variable = '';
} else {
$exten = $A2B -> config["callback"]['extension'];
$variable = "IDCONF=$idconfig".$sep;
}
if ($argc > 4 && strlen($argv[4]) > 0) $exten = $argv[4];
$context = $A2B -> config["callback"]['context_callback'];
$id_server_group = $A2B -> config["callback"]['id_server_group'];
$priority = 1;
$timeout = $A2B -> config["callback"]['timeout']*1000;
// LOOKUP RATE : FIND A RATE FOR THIS DESTINATION
$A2B -> agiconfig['accountcode']=$_SESSION["pr_login"];
$A2B -> agiconfig['use_dnid']=1;
$A2B -> agiconfig['say_timetocall']=0;
$A2B -> extension = $A2B -> dnid = $A2B -> destination = $A2B -> apply_rules($called);
$resfindrate = $RateEngine->rate_engine_findrates($A2B, $A2B -> dnid, $_SESSION["tariff"]);
// IF FIND RATE
if ($resfindrate!=0) {
$res_all_calcultimeout = $RateEngine->rate_engine_all_calcultimeout($A2B, $A2B->credit);
if ($res_all_calcultimeout) {
// MAKE THE CALL
$channeloutcid = $RateEngine->rate_engine_performcall(false, $A2B -> dnid, $A2B);
if ($channeloutcid) {
$channel = $channeloutcid[0];
$exten = $calling;
$context = $A2B -> config["callback"]['context_callback'];
$id_server_group = $A2B -> config["callback"]['id_server_group'];
$priority=1;
$timeout = $A2B -> config["callback"]['timeout']*1000;
$timeoutbefore = $A2B -> config["callback"]['sec_wait_before_callback'];
$application='';
if ($channeloutcid[1]) $callerid = $channeloutcid[1];
else $callerid = $A2B -> config["callback"]['callerid'];
$account = $_SESSION["pr_login"];
$uniqueid = MDP_NUMERIC(5).'-'.MDP_STRING(7);
$status = 'PENDING';
