Конференция с постоянным внешним абонентом

<?php

require_once 'Globals.php';

use MikoPBX\Core\System\Util;
use \MikoPBX\Core\Asterisk\AGI;
use \MikoPBX\Core\Asterisk\AsteriskManager;

function checkStartConf(){
    $Z_DTMF         = '354233';
    $Z_PROVIDER_ID  = 'SIP-1601534775';
    $Z_DST          = '84957776675';

    $am = new AsteriskManager();
    $am->connect();

    $confEmpty = true;
    $confChannelFound = false;
    $data = $am->meetMeCollectInfo($Z_DTMF);
    foreach ($data as $channelData){
        $value = $am->GetVar($channelData['Channel'], 'ZDTMF', null, false);
        if(!empty($value)){
            // Это канал конференции.
            $confChannelFound = true;
        }else{
            // Есть канал конечного пользователя.
            $confEmpty = false;
        }
    }

    if($confChannelFound === false && $confEmpty === false){
        // Необходимо соединить с внешней конференцией.
        $am->Originate(
            'Local/'.$Z_DTMF.'@z-meetme',
            $Z_DST,
            'z-outgoing',
            '1',
            null,
            null,
            null,
            null,
            "__ZDTMF={$Z_DTMF},__ZPROVIDERID={$Z_PROVIDER_ID},__ZDST={$Z_DST}}",
            '0');

    }elseif ($confChannelFound === true && $confEmpty === true){
        $asteriskCmd = Util::which('asterisk');
        Util::mwExec("{$asteriskCmd} -rx 'meetme kick {$Z_DTMF} all'");
    }
}

$action = $argv[1]??'';
if($action === 'start'){
    $pid = Util::getPidOfProcess(basename($argv[0])." start$", getmypid());
    var_dump($pid);
    if(!empty($pid)){
        $killCmd = Util::which('kill');
        Util::mwExec("{$killCmd} {$pid}");
    }
    while (true){
        checkStartConf();
        sleep(3);
    }
}else{
    $agi = new AGI();
    $agi->answer();
    checkStartConf();
    $agi->hangup();
}

*/1 * * * * /usr/bin/php -f /var/lib/asterisk/agi-bin/DIALPLAN-APP-EC12CFAE6783FE82FD34F16E40C7386B.php start > /dev/null 2> /dev/null

[z-outgoing]
exten => _X!,1,Ringing()
  same => n,Gosub(${ISTRANSFER}dial,${EXTEN},1)
  same => n,Dial(PJSIP/${EXTEN}@${ZPROVIDERID},600,${DOPTIONS}TKU(z-dial-answer)b(dial_create_chan,s,1))
  same => n,ExecIf($["${ISTRANSFER}x" != "x"]?Gosub(${ISTRANSFER}dial_hangup,${EXTEN},1))
  same => n,Set(pt1c_UNIQUEID=${EMPTY_VALUE})
  same => n,ExecIf($["${BLINDTRANSFER}x" != "x"]?AGI(check_redirect.php,${BLINDTRANSFER}))
  same => n,Hangup()

[z-dial-answer]
exten => s,1,NoOp(Answered send DTMF...)
  same => n,Gosub(dial_answer,${EXTEN},1)
  same => n,SendDTMF(${ZDTMF})
  same => n,return
	
[z-meetme]
exten => _X!,1,Answer()
  same => n,Meetme(${EXTEN},qdMTr)
  same => n,Hangup()