diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 0db7894b974dfa02d12b3363e4ff974bb0529bfc..998fd9ec9b06bd331790a4f864cb8ab4d74ff563 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -527,7 +527,7 @@ static void sip_config_read(LinphoneCore *lc)
 	sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 	sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 
-	tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
+	tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",1);
 	linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 
 	ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
diff --git a/oRTP b/oRTP
index 0391dc3493e0e834b6b0668767546e95fc3b490c..0d318ef477b40f72b5838a836ddccc0e055c0719 160000
--- a/oRTP
+++ b/oRTP
@@ -1 +1 @@
-Subproject commit 0391dc3493e0e834b6b0668767546e95fc3b490c
+Subproject commit 0d318ef477b40f72b5838a836ddccc0e055c0719