FS-10241: [mod_sofia] don't send xml media refresh request before we have media setup

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -1528,7 +1528,8 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 		break;
 
 	case SWITCH_MESSAGE_INDICATE_VIDEO_REFRESH_REQ:
-		if (!switch_channel_test_flag(channel, CF_AVPF) && switch_true(switch_core_get_variable("sofia_send_info_vid_refresh"))) {
+		if (switch_channel_media_up(channel) && !switch_channel_test_flag(channel, CF_AVPF) &&
+			switch_true(switch_core_get_variable("sofia_send_info_vid_refresh"))) {
 			const char *pl = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<media_control><vc_primitive><to_encoder><picture_fast_update /></to_encoder></vc_primitive></media_control>\n";
 			switch_time_t now = switch_micro_time_now();