diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index da8cdfb50..2da2f0007 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -1872,7 +1872,7 @@ static void linphone_core_register_default_codecs(LinphoneCore *lc){
 	linphone_core_register_payload_type(lc,&payload_type_ilbc,"mode=30",FALSE);
 	linphone_core_register_payload_type(lc,&payload_type_amr,"octet-align=1",FALSE);
 	linphone_core_register_payload_type(lc,&payload_type_amrwb,"octet-align=1",FALSE);
-	linphone_core_register_payload_type(lc,&payload_type_g729,"annexb=no",FALSE);
+	linphone_core_register_payload_type(lc,&payload_type_g729,"annexb=yes",TRUE);
 	/* For AAC, we use a config value to determine if we ought to support SBR. Since it is not offically supported
 	 * for the mpeg4-generic mime type, setting this flag to 1 will break compatibility with other clients. */
 	if( lp_config_get_int(lc->config, "misc", "aac_use_sbr", FALSE) ) {
diff --git a/coreapi/remote_provisioning.c b/coreapi/remote_provisioning.c
index 717f8743c..167a28e4d 100644
--- a/coreapi/remote_provisioning.c
+++ b/coreapi/remote_provisioning.c
@@ -123,7 +123,10 @@ int linphone_remote_provisioning_download_and_apply(LinphoneCore *lc, const char
 
 		lc->provisioning_http_listener = belle_http_request_listener_create_from_callbacks(&belle_request_listener, lc);
 
-		request=belle_http_request_create("GET",uri, NULL);
+		request=belle_http_request_create("GET"
+											, uri
+											, belle_sip_header_create("User-Agent",linphone_core_get_user_agent(lc))
+											, NULL);
 
 		return belle_http_provider_send_request(lc->http_provider, request, lc->provisioning_http_listener);
 	} else {
diff --git a/tester/call_single_tester.c b/tester/call_single_tester.c
index e54438f65..62c12cf1a 100644
--- a/tester/call_single_tester.c
+++ b/tester/call_single_tester.c
@@ -1463,6 +1463,7 @@ static void call_with_custom_sdp_attributes(void) {
 	pauline_params = linphone_core_create_call_params(pauline->lc, NULL);
 	linphone_call_params_add_custom_sdp_attribute(pauline_params, "weather", "bad");
 	linphone_call_params_add_custom_sdp_attribute(pauline_params, "working", "yes");
+	linphone_call_params_add_custom_sdp_attribute(pauline_params, "attribute_without_value", NULL); /*cannot be tested yet*/
 	linphone_call_params_add_custom_sdp_media_attribute(pauline_params, LinphoneStreamTypeAudio, "sleeping", "almost");
 	BC_ASSERT_TRUE(call_with_caller_params(pauline, marie, pauline_params));
 	linphone_call_params_unref(pauline_params);