diff --git a/sleekxmpp/plugins/xep_0047/stanza.py b/sleekxmpp/plugins/xep_0047/stanza.py
index f5b77c0..fb0d430 100644
--- a/sleekxmpp/plugins/xep_0047/stanza.py
+++ b/sleekxmpp/plugins/xep_0047/stanza.py
@@ -46,7 +46,7 @@ class Data(ElementBase):
         self._set_attr('seq', str(value))
 
     def get_data(self):
-        b64_data = self.xml.text
+        b64_data = self.xml.text.strip()
         if VALID_B64.match(b64_data).group() == b64_data:
             return from_b64(b64_data)
         else:
diff --git a/tests/test_stream_xep_0047.py b/tests/test_stream_xep_0047.py
index 485dafe..d8cdd6a 100644
--- a/tests/test_stream_xep_0047.py
+++ b/tests/test_stream_xep_0047.py
@@ -92,7 +92,89 @@ class TestInBandByteStreams(SleekTest):
 
         self.assertEqual(events, set(['ibb_stream_start', 'callback']))
 
+    def testSendData(self):
+        """Test sending data over an in-band bytestream."""
 
+        streams = []
+        data = []
+
+        def on_stream_start(stream):
+            streams.append(stream)
+
+        def on_stream_data(d):
+            data.append(d['data'])
+
+        self.xmpp.add_event_handler('ibb_stream_start', on_stream_start)
+        self.xmpp.add_event_handler('ibb_stream_data', on_stream_data)
+    
+        t = threading.Thread(name='open_stream',
+                             target=self.xmpp['xep_0047'].open_stream,
+                             args=('tester@localhost/receiver',),
+                             kwargs={'sid': 'testing'})
+        t.start()
+
+        self.send("""
+          <iq type="set" to="tester@localhost/receiver" id="1">
+            <open xmlns="http://jabber.org/protocol/ibb" 
+                  sid="testing"
+                  block-size="4096"
+                  stanza="iq" />
+          </iq>
+        """)
+
+        self.recv("""
+          <iq type="result" id="1"
+              to="tester@localhost"
+              from="tester@localhost/receiver" />
+        """)
+
+        t.join()
+
+        time.sleep(0.2)
+
+        stream = streams[0]
+
+
+        # Test sending data out
+        stream.send("Testing")
+
+        self.send("""
+          <iq type="set" id="2"
+              from="tester@localhost"
+              to="tester@localhost/receiver">
+            <data xmlns="http://jabber.org/protocol/ibb" 
+                  seq="0" 
+                  sid="testing">
+              VGVzdGluZw==
+            </data>
+          </iq>
+        """)
+
+        self.recv("""
+          <iq type="result" id="2"
+              to="tester@localhost"
+              from="tester@localhost/receiver" />
+        """)
+
+        # Test receiving data
+        self.recv("""
+          <iq type="set" id="A"
+              to="tester@localhost"
+              from="tester@localhost/receiver">
+            <data xmlns="http://jabber.org/protocol/ibb" 
+                  seq="0" 
+                  sid="testing">
+              aXQgd29ya3Mh
+            </data>
+          </iq>
+        """)
+
+        self.send("""
+          <iq type="result" id="A"
+              to="tester@localhost/receiver" />
+        """)
+
+        self.assertEqual(data, ['it works!'])
 
 
 suite = unittest.TestLoader().loadTestsFromTestCase(TestInBandByteStreams)