--- a/libervia/backend/plugins/plugin_xep_0166/__init__.py	Wed Aug 16 18:33:28 2023 +0200
+++ b/libervia/backend/plugins/plugin_xep_0166/__init__.py	Mon Aug 21 15:19:45 2023 +0200
@@ -55,9 +55,6 @@
 NS_JINGLE : Final = "urn:xmpp:jingle:1"
 NS_JINGLE_ERROR : Final = "urn:xmpp:jingle:errors:1"
 JINGLE_REQUEST : Final = f'{IQ_SET}/jingle[@xmlns="{NS_JINGLE}"]'
-STATE_PENDING : Final = "PENDING"
-STATE_ACTIVE : Final = "ACTIVE"
-STATE_ENDED : Final = "ENDED"
 CONFIRM_TXT : Final = D_(
     "{entity} want to start a jingle session with you, do you accept ?"
 )
@@ -89,6 +86,10 @@
     REASON_FAILED_TRANSPORT : Final = "failed-transport"
     REASON_CONNECTIVITY_ERROR : Final = "connectivity-error"
 
+    STATE_PENDING : Final = "PENDING"
+    STATE_ACTIVE : Final = "ACTIVE"
+    STATE_ENDED : Final = "ENDED"
+
     # standard actions
 
     A_SESSION_INITIATE : Final = "session-initiate"
@@ -194,7 +195,7 @@
 
         session_data = {
             "id": sid,
-            "state": STATE_PENDING,
+            "state": XEP_0166.STATE_PENDING,
             "initiator": client.jid if role == XEP_0166.ROLE_INITIATOR else peer_jid,
             "role": role,
             "local_jid": local_jid or client.jid,
@@ -502,7 +503,8 @@
         content_elt["creator"] = content_data["creator"]
 
         if context_elt is not None:
-            pass
+            if context_elt.parent is None:
+                content_elt.addChild(context_elt)
         elif action == XEP_0166.A_TRANSPORT_INFO:
             context_elt = transport_elt = content_elt.addElement(
                 "transport", content_data["transport"].namespace
@@ -1191,7 +1193,7 @@
         d_list.addCallback(lambda __: iq_elt.send())
 
         def change_state(__, session):
-            session["state"] = STATE_ACTIVE
+            session["state"] = XEP_0166.STATE_ACTIVE
 
         d_list.addCallback(change_state, session)
         d_list.addCallback(
@@ -1279,7 +1281,7 @@
         # at this point we can send the <iq/> result to confirm reception of the request
         client.send(xmlstream.toResponse(request, "result"))
         # and change the state
-        session["state"] = STATE_ACTIVE
+        session["state"] = XEP_0166.STATE_ACTIVE
         session["jingle_elt"] = jingle_elt
 
         await defer.DeferredList(self._call_plugins(