Formdan mesaj gönderdiğimde hiç bir hataya düşmüyor işlemde yapmıyor.

Form sayfam:

<div class="container" style="margin-top: 20px">
    <div class="row">
        <div class="col-md-4 col-md-offset-4">
  <label>Müşteri Adı</label>
                   
                    <input type="text" disabled="disabled" class="form-control" value="<?php echo $mus_adi; ?>" name="mus_adi"  placeholder=""/>
<br>
            <form method="post" action="sendSMS.php">
                <div class="form-group">
                    <label>Gönderilecek Numara</label>
                   
                    <input type="text" class="form-control" value="<?php echo $mus_telefon; ?>" name="gsmno" placeholder="535xxxxxxx,532xxxxxxx,542xxxxxxx"/>
                     

                </div>
                <div class="form-group">
                    <label>Kullanılacak Başlık</label>
                    <input type="text" class="form-control" name="originator"  value="Teknik Servis"/>
                </div>
                <div class="form-group">
                    <label>Gönderilecek Mesaj</label>
                    <textarea name="msgtext" rows="5" class="form-control" maxlength="160" placeholder="Örnek olarak maksimum 160 Karakter gönderebilirsiniz."></textarea>
                </div>
                <button type="submit" class="btn btn-danger btn-sm"> <i class="fa fa-send"></i> SMS Gönder</button> /
                <button type="reset" class="btn btn-default btn-sm"><i class="fa fa-ban"></i> Formu Temizle</button>
            </form>
            

        </div>
    </div>
</div>
Post sayfam: sendSMS.php

<?php

class sendSMS {
	private $username = "username";
	private $password = "password";
	private $BayiKodu = "";
	private $requestedpass;
	private $originator = "Teknik Servis";
	private $gsmno;
	private $msgtext;
	private $sendMulti = false;
	
	function setGsmNo($gsmno) {
		if (is_array ( $gsmno )) {
			$nos = "";
			foreach ( $gsmno as $no ) {
				if (preg_match_all ( '/(?:[+]|[0]{1,2}){0,1}(?:[\s]{0,})(?P<icode>90|9[\s]0){0,1}(?:[\s]{0,})(?P<t1>5[0-9]{2})(?:[\s]{0,})(?P<t2>[0-9]{3})(?:[\s]{0,})(?P<t3>[0-9]{2})(?:[\s]{0,})(?P<t4>[0-9]{2})(?:[\s]{0,})/im', $no, $result, PREG_PATTERN_ORDER )) {
					$no = $result ['t1'] [0] . $result ['t2'] [0] . $result ['t3'] [0] . $result ['t4'] [0];
					$nos .= $no . ",";
				}
			}
			$this->gsmno = substr ( $nos, 0, - 1 );
		} else {
			if (preg_match_all ( '/(?:[+]|[0]{1,2}){0,1}(?:[\s]{0,})(?P<icode>90|9[\s]0){0,1}(?:[\s]{0,})(?P<t1>5[0-9]{2})(?:[\s]{0,})(?P<t2>[0-9]{3})(?:[\s]{0,})(?P<t3>[0-9]{2})(?:[\s]{0,})(?P<t4>[0-9]{2})(?:[\s]{0,})/im', $gsmno, $result, PREG_PATTERN_ORDER )) {
				$this->gsmno = $result ['t1'] [0] . $result ['t2'] [0] . $result ['t3'] [0] . $result ['t4'] [0];
			}
		}
	
	}
	
	function setMessageText($text) {
		$text = str_replace ( array ("İ", "\u0130", "\xDD", "İ" ), "I", $text );
		$text = str_replace ( array ("ı", "\u0131", "\xFD", "ı" ), "i", $text );
		$text = str_replace ( array ("Ğ", "\u011e", "\xD0", "Ğ" ), "G", $text );
		$text = str_replace ( array ("ğ", "\u011f", "\xF0", "ğ" ), "g", $text );
		$text = str_replace ( array ("&Uuml;", "\u00dc", "\xDC", "U" ), "U", $text );
		$text = str_replace ( array ("&uuml;", "\u00fc", "\xFC", "ü" ), "u", $text );
		$text = str_replace ( array ("Ş", "\u015e", "\xDE", "Ş" ), "S", $text );
		$text = str_replace ( array ("ş", "\u015f", "\xFE", "ş" ), "s", $text );
		$text = str_replace ( array ("&Ouml;", "\u00d6", "\xD6", "Ö" ), "O", $text );
		$text = str_replace ( array ("&ouml;", "\u00f6", "\xF6", "ö" ), "o", $text );
		$text = str_replace ( array ("&Ccedil;", "\u00c7", "\xC7", "Ç" ), "C", $text );
		$text = str_replace ( array ("&ccedil;", "\u00e7", "\xE7", "ç" ), "c", $text );
		$this->msgtext = $text;
	}
	
	function send() {
		$xml = <<<EOH
<?xml version="1.0" encoding="iso-8859-9"?>
<MainmsgBody xmlns:sql='urn:schemas-microsoft-com:xml-sql' xmlns:updg='urn:schemas-microsoft-com:xml-updategram'>
	<UserName>{$this->username}</UserName>
	<PassWord>{$this->password}</PassWord>
	<CompanyCode>{$this->BayiKodu}</CompanyCode>
	<Developer></Developer>
	<Version>xVer.4.0</Version>
	<Originator>{$this->originator}</Originator>
	<Mesgbody>{$this->msgtext}</Mesgbody>
	<Numbers>{$this->gsmno}</Numbers>
	<SDate></SDate>
	<EDate></EDate>
</MainmsgBody>	
EOH;
		$result = $this->postViaCurl ( "http://sms.ayyildiz.net/SendSmsMany.aspx", $xml );
		$msg ['00'] = "Kullanıcı Bilgileri Boş";
		$msg ['01'] = "Kullanıcı Bilgileri Hatalı";
		$msg ['02'] = "Hesap Kapalı";
		$msg ['03'] = "Kontör Hatası";
		$msg ['04'] = "Bayi Kodunuz Hatalı";
		$msg ['05'] = "Originator Bilginiz Hatalı";
		$msg ['06'] = "Yapılan İşlem İçin Yetkiniz Yok";
		$msg ['10'] = "Geçersiz IP Adresi";
		$msg ['14'] = "Mesaj Metni Girilmemiş";
		$msg ['15'] = "GSM Numarası Girilmemiş";
		$msg ['20'] = "Rapor Hazır Değil";
		$msg ['27'] = "Aylık Atım Limitiniz Yetersiz";
		$msg ['100'] = "XML Hatası";
		if (is_numeric ( $result ) && isset ( $msg [$result] )) {
			$result = array ("basari" => false, "mesaj" => $msg [$result] );
		} else {
			$result = array ("basari" => true, "mesaj" => $result );
		}
		return $result;
	}
	
	private function postViaCurl($url, $data) {
		$user_agent = 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9) Gecko/2008061015 Firefox/3.0';
		$httpheader = array ("Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8", "Accept-Language: tr,en-us;q=0.7,en;q=0.3", "Accept-Encoding: gzip,deflate", "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7", "Keep-Alive: 300" );
		$curl = curl_init ();
		curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, true );
		curl_setopt ( $curl, CURLOPT_VERBOSE, true );
		curl_setopt ( $curl, CURLOPT_FOLLOWLOCATION, true );
		curl_setopt ( $curl, CURLOPT_HTTPHEADER, $httpheader );
		curl_setopt ( $curl, CURLOPT_USERAGENT, $user_agent );
		curl_setopt ( $curl, CURLOPT_TIMEOUT, 300 );
		curl_setopt ( $curl, CURLE_OPERATION_TIMEOUTED, 300 );
		curl_setopt ( $curl, CURLOPT_HEADER, false );
		curl_setopt ( $curl, CURLOPT_POST, true );
		curl_setopt ( $curl, CURLOPT_POSTFIELDS, $data );
		curl_setopt ( $curl, CURLOPT_URL, $url );
		$result = curl_exec ( $curl );
		curl_close ( $curl );
		return $result;
	}
}
?>
Arkadaşlar bu konuda bilgisi olan var mı yardımcı olursanız sevinirim?