diff --git a/coreapi/callbacks.c b/coreapi/callbacks.c
index a34fcb0f7..d92487925 100644
--- a/coreapi/callbacks.c
+++ b/coreapi/callbacks.c
@@ -606,8 +606,11 @@ static void process_call_accepted(LinphoneCore *lc, LinphoneCall *call, SalOp *o
 				ms_error("Incompatible SDP answer received");
 				switch(call->state) {
 					case LinphoneCallPausedByRemote:
+						break;
 					case LinphoneCallPaused:
+						break;
 					case LinphoneCallStreamsRunning:
+						break;
 					default:
 						ms_message("Incompatible SDP answer received, restoring previous state [%s]",linphone_call_state_to_string(call->prevstate));
 						linphone_call_set_state(call,call->prevstate,_("Incompatible media parameters."));