check the jitter stats after the jitter buffer when its enabled

src/switch_rtp.c

@@ -4466,12 +4466,12 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
 		rtp_session->missed_count = 0;
 	}
 
-
+	if (!rtp_session->jb || rtp_session->pause_jb || !jb_valid(rtp_session)) {
 		if (*bytes > rtp_header_len && (rtp_session->recv_msg.header.version == 2 && check_recv_payload(rtp_session))) {
 			xcheck_jitter = *bytes;
 			check_jitter(rtp_session);
 		}
-
+	}
 
 	if (check_rtcp_and_ice(rtp_session) == -1) {
 		return SWITCH_STATUS_GENERR;