diff --git a/pjsip/src/pjsip-ua/sip_inv.c b/pjsip/src/pjsip-ua/sip_inv.c
index c9686a0..fc52a63 100644
--- a/pjsip/src/pjsip-ua/sip_inv.c
+++ b/pjsip/src/pjsip-ua/sip_inv.c
@@ -4156,9 +4156,10 @@ static void inv_on_state_calling( pjsip_inv_session *inv, pjsip_event *e)
 		    status = pjsip_inv_send_msg(inv, cancel);
 	    }
 
-	    if (dlg->remote.info->tag.slen) {
+	    if (tsx->status_code != 100) {
 
-		inv_set_state(inv, PJSIP_INV_STATE_EARLY, e);
+		if (dlg->remote.info->tag.slen)
+		    inv_set_state(inv, PJSIP_INV_STATE_EARLY, e);
 
 		inv_check_sdp_in_incoming_msg(inv, tsx, 
 					      e->body.tsx_state.src.rdata);