diff --git a/chan_capi.h b/chan_capi.h
index 1e15ce1..1a7d5ee 100644
--- a/chan_capi.h
+++ b/chan_capi.h
@@ -564,7 +564,7 @@ struct capi_pvt {
 #endif
 	/* Connection between two conference rooms. NULL PLCI */
 	struct capi_pvt *bridgePeer;
-	
+
 	/*! Next channel in list */
 	struct capi_pvt *next;
 };
diff --git a/chan_capi_chat.c b/chan_capi_chat.c
index 1ba8eef..1a7b5c5 100644
--- a/chan_capi_chat.c
+++ b/chan_capi_chat.c
@@ -1337,16 +1337,19 @@ pbx_capi_create_conference_bridge(const char* mainName,
 			(mainController == 0) || (additionalController == 0))
 		return NULL;
 
-	pbx_capi_nulliflist_lock();
 	for (i = 0, error = 0; (error == 0) && (i < sizeof(name)/sizeof(name[0])); i++) {
 		capi_ifc[i] = capi_mknullif(NULL, controller[i]);
 		error |= (capi_ifc[i] == NULL);
 	}
 	if (error == 0) {
+		cc_mutex_lock(&capi_ifc[0]->lock);
 		capi_ifc[0]->bridgePeer = capi_ifc[1];
+		cc_mutex_unlock(&capi_ifc[0]->lock);
+
+		cc_mutex_lock(&capi_ifc[1]->lock);
 		capi_ifc[1]->bridgePeer = capi_ifc[0];
+		cc_mutex_unlock(&capi_ifc[1]->lock);
 	}
-	pbx_capi_nulliflist_unlock();
 
 	for (i = 0; (error == 0) && (i < sizeof(name)/sizeof(name[0])); i++) {
 		room[i] = add_chat_member(name[i], capi_ifc[i], RoomMemberOperator);
diff --git a/chan_capi_utils.c b/chan_capi_utils.c
index 82460e3..526ac87 100644
--- a/chan_capi_utils.c
+++ b/chan_capi_utils.c
@@ -244,12 +244,24 @@ struct capi_pvt *capi_mknullif(struct ast_channel *c, unsigned long long control
 	}
 #endif
 
-	capi_sendf(NULL, 0, CAPI_CONNECT_REQ, controller, tmp->MessageNumber,
+	if (c == NULL) {
+		cc_mutex_lock(&tmp->lock);
+	}
+	capi_sendf((c != NULL) ? NULL : tmp, c == NULL, CAPI_CONNECT_REQ, controller, tmp->MessageNumber,
 		"w()()()()(www()()()())()()()((wwbbb)()()())",
 		 0,       1,1,0,              3,0,0,0,0);
-
-	cc_verbose(3, 1, VERBOSE_PREFIX_4 "%s: created null-interface on controller %d.\n",
-		tmp->vname, tmp->controller);
+	if (c == NULL) {
+		cc_mutex_unlock(&tmp->lock);
+		if (tmp->PLCI == 0) {
+			cc_log(LOG_WARNING, "%s: failed to create\n", tmp->vname);
+			capi_remove_nullif(tmp);
+			tmp = NULL;
+		}
+	}
+	if (tmp != NULL) {
+		cc_verbose(3, 1, VERBOSE_PREFIX_4 "%s: created null-interface on controller %d.\n",
+				tmp->vname, tmp->controller);
+	}
 
 	return tmp;
 }
diff --git a/divastreaming/chan_capi_divastreaming_utils.c b/divastreaming/chan_capi_divastreaming_utils.c
index d55252c..878f6ef 100644
--- a/divastreaming/chan_capi_divastreaming_utils.c
+++ b/divastreaming/chan_capi_divastreaming_utils.c
@@ -91,6 +91,8 @@ static int divaStreamingMessageRx (void* user_context, dword message, dword leng
 																																	 8U << 8 | DIVA_STREAM_MESSAGE_TX_IDI_REQUEST,
 																																	 b3buf, b3len);
 								bridgePeer->diva_stream_entry->diva_stream->flush_stream(bridgePeer->diva_stream_entry->diva_stream);
+							} else {
+								DBG_ERR(("DROP BRIDGE PACKET"))
 							}
 						} else {
 							capidev_handle_data_b3_indication_vector (pE->i, vind, vind_nr);