diff --git a/coreapi/bellesip_sal/sal_op_call.c b/coreapi/bellesip_sal/sal_op_call.c
index 80173e95d..8a7037491 100644
--- a/coreapi/bellesip_sal/sal_op_call.c
+++ b/coreapi/bellesip_sal/sal_op_call.c
@@ -475,6 +475,11 @@ static void process_request_event(void *op_base, const belle_sip_request_event_t
 		} else if (strcmp("OPTIONS",belle_sip_request_get_method(req))==0) {
 			resp=sal_op_create_response_from_request(op,req,200);
 			belle_sip_server_transaction_send_response(server_transaction,resp);
+		} else if (strcmp("CANCEL",belle_sip_request_get_method(req))==0) {
+			/*call leg does not exist because 200ok already sent*/
+			belle_sip_server_transaction_send_response(	server_transaction
+														,sal_op_create_response_from_request(op,req,481));
+
 		} else{
 			ms_error("unexpected method [%s] for dialog [%p]",belle_sip_request_get_method(req),op->dialog);
 			unsupported_method(server_transaction,req);
diff --git a/tester/presence_tester.c b/tester/presence_tester.c
index d3d0f5fce..9f3f009f1 100644
--- a/tester/presence_tester.c
+++ b/tester/presence_tester.c
@@ -235,8 +235,8 @@ static void call_with_presence(void) {
 	CU_ASSERT_TRUE(subscribe_to_callee_presence(pauline,marie));
 
 	CU_ASSERT_TRUE(call(marie,pauline));
-	CU_ASSERT_EQUAL(marie->stat.number_of_LinphonePresenceActivityOnThePhone,1);
-	CU_ASSERT_EQUAL(pauline->stat.number_of_LinphonePresenceActivityOnThePhone,1);
+	CU_ASSERT_TRUE(wait_for(marie->lc,pauline->lc,&marie->stat.number_of_LinphonePresenceActivityOnThePhone,1));
+	CU_ASSERT_TRUE(wait_for(marie->lc,pauline->lc,&pauline->stat.number_of_LinphonePresenceActivityOnThePhone,1));
 
 	reset_counters(&marie->stat);
 	reset_counters(&pauline->stat);