diff --git a/Soap/SoapRequest.php b/Soap/SoapRequest.php
index 5be7a4b..bd316fb 100644
--- a/Soap/SoapRequest.php
+++ b/Soap/SoapRequest.php
@@ -145,15 +145,15 @@ class SoapRequest extends Request
         $mimeMessage = Message::createFromMessage($content, $contentTypeHeader['boundary']);
         $mimeParts = $mimeMessage->getParts();
 
-        $soapMimePartId = $contentTypeHeader['start'];
-        $soapMimePartType = $this->splitContentTypeHeader($contentTypeHeader['start-info']);
+        $soapMimePartId = trim($contentTypeHeader['start'], '<>');
+        $soapMimePartType = $contentTypeHeader['start-info'];
 
         $rootPart = array_shift($mimeParts);
         $rootPartType = $this->splitContentTypeHeader($rootPart->type);
 
         // TODO: add more checks to achieve full compatibility to MTOM spec
         // http://www.w3.org/TR/soap12-mtom/
-        if($rootPart->id != $soapMimePartId || $rootPartType['_type'] != 'application/xop+xml' || $rootPartType['type'] != $soapMimePartType['type'])
+        if($rootPart->id != $soapMimePartId || $rootPartType['_type'] != 'application/xop+xml' || $rootPartType['type'] != $soapMimePartType)
         {
             throw new \InvalidArgumentException();
         }
@@ -161,7 +161,7 @@ class SoapRequest extends Request
         foreach($mimeParts as $mimePart)
         {
             $this->soapAttachments->add(new SoapAttachment(
-                trim($mimePart->id, '<>'),
+                $mimePart->id,
                 $mimePart->type,
                 // handle content decoding / prevent encoding
                 $mimePart->getContent()
diff --git a/Tests/SoapRequestTest.php b/Tests/SoapRequestTest.php
new file mode 100644
index 0000000..4f041a7
--- /dev/null
+++ b/Tests/SoapRequestTest.php
@@ -0,0 +1,45 @@
+<?php
+/*
+ * This file is part of the WebServiceBundle.
+ *
+ * (c) Christian Kerl <christian-kerl@web.de>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Bundle\WebServiceBundle\Tests;
+
+use Bundle\WebServiceBundle\Soap\SoapRequest;
+
+/**
+ * UnitTest for \Bundle\WebServiceBundle\Soap\SoapRequest.
+ *
+ * @author Christian Kerl <christian-kerl@web.de>
+ */
+class SoapRequestTest extends \PHPUnit_Framework_TestCase
+{
+    public function testMtomMessage()
+    {
+        $content = $this->loadRequestContentFixture('mtom/simple.txt');
+
+        $request = new SoapRequest($content);
+        $request->server->set('CONTENT_TYPE', 'multipart/related; type="application/xop+xml";start="<http://tempuri.org/0>";boundary="uuid:0ca0e16e-feb1-426c-97d8-c4508ada5e82+id=7";start-info="application/soap+xml"');
+
+        $message = $request->getSoapMessage();
+
+        $this->assertEquals(735, strlen(trim($message)));
+        $this->assertEquals(1, count($request->getSoapAttachments()));
+
+        $attachment = $request->getSoapAttachments()->get('http://tempuri.org/1/632618206527087310');
+
+        $this->assertNotNull($attachment);
+        $this->assertEquals('application/octet-stream', $attachment->getType());
+        $this->assertEquals(767, strlen(trim($attachment->getContent())));
+    }
+
+    private function loadRequestContentFixture($name)
+    {
+        return file_get_contents(__DIR__ . '/fixtures/' . $name);
+    }
+}
diff --git a/Tests/fixtures/mtom/simple.txt b/Tests/fixtures/mtom/simple.txt
new file mode 100644
index 0000000..a1bf2b1
--- /dev/null
+++ b/Tests/fixtures/mtom/simple.txt
@@ -0,0 +1,16 @@
+
+--uuid:0ca0e16e-feb1-426c-97d8-c4508ada5e82+id=7
+Content-ID: <http://tempuri.org/0>
+Content-Transfer-Encoding: 8bit
+Content-Type: application/xop+xml;charset=utf-8;type="application/soap+xml"
+
+<s:Envelope xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:a="http://schemas.xmlsoap.org/ws/2004/08/addressing"><s:Header><a:Action s:mustUnderstand="1">http://xmlsoap.org/echoBinaryAsString</a:Action><a:MessageID>urn:uuid:1bf061d6-d532-4b0c-930b-8b8202c38b8a</a:MessageID><a:ReplyTo><a:Address>http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous</a:Address></a:ReplyTo><a:To s:mustUnderstand="1">http://131.107.72.15/Mtom/svc/service.svc/Soap12MtomUTF8</a:To></s:Header><s:Body><EchoBinaryAsString xmlns="http://xmlsoap.org/Ping"><array><xop:Include href="cid:http%3A%2F%2Ftempuri.org%2F1%2F632618206527087310" xmlns:xop="http://www.w3.org/2004/08/xop/include"/></array></EchoBinaryAsString></s:Body></s:Envelope>
+
+--uuid:0ca0e16e-feb1-426c-97d8-c4508ada5e82+id=7
+Content-ID: <http://tempuri.org/1/632618206527087310>
+Content-Transfer-Encoding: binary
+Content-Type: application/octet-stream
+
+H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! H e l l o   W o r l d ! 
+
+--uuid:0ca0e16e-feb1-426c-97d8-c4508ada5e82+id=7--
\ No newline at end of file