freetdm: do not skip states if FREETDM_SKIP_SIG_STATES is not defined

libs/freetdm/src/ftdm_io.c

@@ -2051,10 +2051,10 @@ FT_DECLARE(ftdm_status_t) _ftdm_channel_call_answer(const char *file, const char
 		goto done;
 	}
 
-#if 0 
-	/* DAVIDY - We will fail RFC's if we do that, but some modules apart from ftmod_sangoma_isdn 
+#ifndef FREETDM_SKIP_SIG_STATES
+	/* We will fail RFC's if we not skip states, but some modules apart from ftmod_sangoma_isdn 
 	 * expect the call to always to go PROGRESS and PROGRESS MEDIA state before going to UP, so 
-	 * remove this only in netborder branch for now */
+	 * remove this only in netborder branch for now while we update the sig modules */
 
 	if (ftdmchan->state < FTDM_CHANNEL_STATE_PROGRESS) {
 		ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS, 1);