diff --git a/src/mod/event_handlers/mod_rayo/mod_rayo.c b/src/mod/event_handlers/mod_rayo/mod_rayo.c
index ad4e988105..31625241c1 100644
--- a/src/mod/event_handlers/mod_rayo/mod_rayo.c
+++ b/src/mod/event_handlers/mod_rayo/mod_rayo.c
@@ -1838,6 +1838,7 @@ static void *SWITCH_THREAD_FUNC rayo_dial_thread(switch_thread_t *thread, void *
 	iks *response = NULL;
 	const char *dcp_jid = iks_find_attrib(iq, "from");
 	const char *dial_to = iks_find_attrib(dial, "to");
+	char *dial_to_dup = NULL;
 	const char *dial_from = iks_find_attrib(dial, "from");
 	const char *dial_timeout_ms = iks_find_attrib(dial, "timeout");
 	struct dial_gateway *gateway = NULL;
@@ -1855,6 +1856,24 @@ static void *SWITCH_THREAD_FUNC rayo_dial_thread(switch_thread_t *thread, void *
 	stream.write_function(&stream, "{origination_uuid=%s,rayo_dcp_jid=%s,rayo_call_jid=%s",
 		rayo_call_get_uuid(call), dcp_jid, RAYO_JID(call));
 
+	/* parse optional params from dialstring and append to  */
+	if (*dial_to == '{') {
+		switch_event_t *params = NULL;
+		dial_to_dup = strdup(dial_to);
+		switch_event_create_brackets(dial_to_dup, '{', '}', ',', &params, (char **)&dial_to, SWITCH_FALSE);
+		if (params) {
+			switch_event_header_t *param;
+			for(param = params->headers; param; param = param->next) {
+				if (strchr(param->value, ',')) {
+					stream.write_function(&stream, ",%s=\\'%s\\'", param->name, param->value);
+				} else {
+					stream.write_function(&stream, ",%s=%s", param->name, param->value);
+				}
+			}
+			switch_event_destroy(&params);
+		}
+	}
+
 	/* set originate channel variables */
 	if (!zstr(dial_from)) {
 		/* caller ID */
@@ -1976,6 +1995,7 @@ done:
 
 	iks_delete(dial);
 	switch_safe_free(stream.data);
+	switch_safe_free(dial_to_dup);
 
 	return NULL;
 }
@@ -1993,8 +2013,13 @@ static iks *on_rayo_dial(struct rayo_actor *client, struct rayo_actor *server, i
 	switch_threadattr_t *thd_attr = NULL;
 	iks *dial = iks_find(node, "dial");
 	iks *response = NULL;
+	const char *dial_to = iks_find_attrib(dial, "to");
 
-	if (!zstr(iks_find_attrib(dial, "to"))) {
+	if (zstr(dial_to)) {
+		response = iks_new_error_detailed(node, STANZA_ERROR_BAD_REQUEST, "missing dial to attribute");
+	} else if (strchr(dial_to, ' ')) {
+		response = iks_new_error_detailed(node, STANZA_ERROR_BAD_REQUEST, "malformed dial string");
+	} else {
 		iks *node_dup = iks_copy(node);
 		iks_insert_attrib(node_dup, "from", RAYO_JID(rclient)); /* save DCP jid in case it isn't specified */
 
@@ -2003,8 +2028,6 @@ static iks *on_rayo_dial(struct rayo_actor *client, struct rayo_actor *server, i
 		switch_threadattr_detach_set(thd_attr, 1);
 		switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
 		switch_thread_create(&thread, thd_attr, rayo_dial_thread, node_dup, RAYO_POOL(rclient));
-	} else {
-		response = iks_new_error_detailed(node, STANZA_ERROR_BAD_REQUEST, "missing dial to attribute");
 	}
 
 	return response;
diff --git a/src/switch_ivr_async.c b/src/switch_ivr_async.c
index a3cb808ec0..b945c542ab 100644
--- a/src/switch_ivr_async.c
+++ b/src/switch_ivr_async.c
@@ -1056,7 +1056,7 @@ static switch_bool_t is_silence_frame(switch_frame_t *frame, int silence_thresho
 			energy += abs(fdata[j]);
 			j += codec_impl->number_of_channels;
 		}
-		is_silence &= (uint32_t) (energy / (samples / divisor)) < silence_threshold;
+		is_silence &= (uint32_t) ((energy / (samples / divisor)) < silence_threshold);
 	}
 
 	return is_silence;
@@ -1259,7 +1259,7 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
 							rh->silence_time = switch_micro_time_now();
 						} else {
 							/* continuing silence */
-							int duration_ms = (switch_micro_time_now() - rh->silence_time) / 1000;
+							int duration_ms = (int)((switch_micro_time_now() - rh->silence_time) / 1000);
 							if (rh->silence_timeout_ms > 0 && duration_ms >= rh->silence_timeout_ms) {
 								switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Recording file %s timeout: %i >= %i\n", rh->file, duration_ms, rh->silence_timeout_ms);
 								switch_core_media_bug_set_flag(bug, SMBF_PRUNE);