diff -rN -u old-telepathy-gabble/src/capabilities.c new-telepathy-gabble/src/capabilities.c
--- old-telepathy-gabble/src/capabilities.c	2008-01-31 19:10:34.000000000 +0100
+++ new-telepathy-gabble/src/capabilities.c	2008-01-31 19:10:35.000000000 +0100
@@ -37,6 +37,7 @@
   { VERSION, NS_SI, PRESENCE_CAP_SI},
   { VERSION, NS_IBB, PRESENCE_CAP_IBB},
   { VERSION, NS_TUBES, PRESENCE_CAP_SI_TUBES},
+  { VERSION, NS_VERSION, 0},
 
   { BUNDLE_VOICE_V1, NS_GOOGLE_FEAT_VOICE, PRESENCE_CAP_GOOGLE_VOICE},
   { BUNDLE_JINGLE_AUDIO, NS_JINGLE_DESCRIPTION_AUDIO,
diff -rN -u old-telepathy-gabble/src/gabble-connection.c new-telepathy-gabble/src/gabble-connection.c
--- old-telepathy-gabble/src/gabble-connection.c	2008-01-31 19:10:34.000000000 +0100
+++ new-telepathy-gabble/src/gabble-connection.c	2008-01-31 19:10:35.000000000 +0100
@@ -130,6 +130,7 @@
 struct _GabbleConnectionPrivate
 {
   LmMessageHandler *iq_disco_cb;
+  LmMessageHandler *iq_version_cb;
   LmMessageHandler *iq_unknown_cb;
   LmMessageHandler *stream_error_cb;
   LmMessageHandler *msg_cb;
@@ -734,6 +735,7 @@
   g_assert (!lm_connection_is_open (self->lmconn));
 
   g_assert (priv->iq_disco_cb == NULL);
+  g_assert (priv->iq_version_cb == NULL);
   g_assert (priv->iq_unknown_cb == NULL);
   g_assert (priv->stream_error_cb == NULL);
   g_assert (priv->msg_cb == NULL);
@@ -999,6 +1001,8 @@
 
 static LmHandlerResult connection_iq_disco_cb (LmMessageHandler *,
     LmConnection *, LmMessage *, gpointer);
+static LmHandlerResult connection_iq_version_cb (LmMessageHandler *,
+    LmConnection *, LmMessage *, gpointer);
 static LmHandlerResult connection_iq_unknown_cb (LmMessageHandler *,
     LmConnection *, LmMessage *, gpointer);
 static LmHandlerResult connection_stream_error_cb (LmMessageHandler *,
@@ -1042,6 +1046,7 @@
   GabbleConnectionPrivate *priv = GABBLE_CONNECTION_GET_PRIVATE (conn);
 
   g_assert (priv->iq_disco_cb == NULL);
+  g_assert (priv->iq_version_cb == NULL);
   g_assert (priv->iq_unknown_cb == NULL);
   g_assert (priv->stream_error_cb == NULL);
   g_assert (priv->msg_cb == NULL);
@@ -1052,6 +1057,12 @@
                                           LM_MESSAGE_TYPE_IQ,
                                           LM_HANDLER_PRIORITY_NORMAL);
 
+  priv->iq_version_cb = lm_message_handler_new (connection_iq_version_cb,
+                                            conn, NULL);
+  lm_connection_register_message_handler (conn->lmconn, priv->iq_version_cb,
+                                          LM_MESSAGE_TYPE_IQ,
+                                          LM_HANDLER_PRIORITY_FIRST);
+
   priv->iq_unknown_cb = lm_message_handler_new (connection_iq_unknown_cb,
                                             conn, NULL);
   lm_connection_register_message_handler (conn->lmconn, priv->iq_unknown_cb,
@@ -1069,6 +1080,7 @@
   lm_connection_register_message_handler (conn->lmconn, priv->msg_cb,
                                           LM_MESSAGE_TYPE_MESSAGE,
                                           LM_HANDLER_PRIORITY_FIRST);
+ 
 }
 
 static void
@@ -1078,6 +1090,7 @@
   GabbleConnectionPrivate *priv = GABBLE_CONNECTION_GET_PRIVATE (conn);
 
   g_assert (priv->iq_disco_cb != NULL);
+  g_assert (priv->iq_version_cb != NULL);
   g_assert (priv->iq_unknown_cb != NULL);
   g_assert (priv->stream_error_cb != NULL);
   g_assert (priv->msg_cb != NULL);
@@ -1087,6 +1100,11 @@
   lm_message_handler_unref (priv->iq_disco_cb);
   priv->iq_disco_cb = NULL;
 
+  lm_connection_unregister_message_handler (conn->lmconn, priv->iq_version_cb,
+                                            LM_MESSAGE_TYPE_IQ);
+  lm_message_handler_unref (priv->iq_version_cb);
+  priv->iq_version_cb = NULL;
+
   lm_connection_unregister_message_handler (conn->lmconn, priv->iq_unknown_cb,
                                             LM_MESSAGE_TYPE_IQ);
   lm_message_handler_unref (priv->iq_unknown_cb);
@@ -1534,6 +1552,64 @@
   return LM_HANDLER_RESULT_REMOVE_MESSAGE;
 }
 
+
+/**
+ * connection_iq_version_cb
+ *
+ * Called by loudmouth when we get an incoming <iq>. This handler handles
+ * jabber:iq:version-related IQs (XEP 0092).
+ */
+static LmHandlerResult
+connection_iq_version_cb (LmMessageHandler *handler,
+                          LmConnection *connection,
+                          LmMessage *message,
+                          gpointer user_data)
+{
+  GabbleConnection *self = GABBLE_CONNECTION (user_data);
+  const gchar *id;
+  LmMessage *result;
+  LmMessageNode *iq;
+
+  if (lm_message_get_sub_type (message) != LM_MESSAGE_SUB_TYPE_GET)
+    return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
+
+  if (lm_message_node_get_attribute (iq, "from") != NULL)
+    return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
+
+  iq = lm_message_get_node (message);
+
+  if (! lm_message_node_get_child_with_namespace (iq, "query",  NS_VERSION))
+    return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
+
+  id = lm_message_node_get_attribute (iq, "id");
+  if (id == NULL)
+    {
+      NODE_DEBUG (iq, "can't acknowledge IQ with no id");
+      return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
+    }
+
+  result = lm_message_build (lm_message_node_get_attribute (iq, "from"),
+                             LM_MESSAGE_TYPE_IQ,
+                             '@', "type", "result",
+                             '@', "id", id,
+                             '(', "query", "",
+                                 '@', "xmlns", NS_VERSION,
+                                 '(', "version", VERSION, ')',
+                                 '(', "name", "Telepathy-gabble", ')',
+                             ')', NULL);
+
+
+  if (!lm_connection_send (self->lmconn, result, NULL))
+    {
+      DEBUG ("sending disco response failed");
+    }
+
+  lm_message_unref (result);
+  
+  return LM_HANDLER_RESULT_REMOVE_MESSAGE;
+}
+
+
 /**
  * connection_iq_unknown_cb
  *
diff -rN -u old-telepathy-gabble/src/namespaces.h new-telepathy-gabble/src/namespaces.h
--- old-telepathy-gabble/src/namespaces.h	2008-01-31 19:10:34.000000000 +0100
+++ new-telepathy-gabble/src/namespaces.h	2008-01-31 19:10:35.000000000 +0100
@@ -67,6 +67,7 @@
 #define NS_TUBES                "http://telepathy.freedesktop.org/xmpp/tubes"
 #define NS_VCARD_TEMP           "vcard-temp"
 #define NS_VCARD_TEMP_UPDATE    "vcard-temp:x:update"
+#define NS_VERSION              "jabber:iq:version"
 #define NS_X_DATA               "jabber:x:data"
 #define NS_X_DELAY              "jabber:x:delay"
 #define NS_X_CONFERENCE         "jabber:x:conference"