Hi, It seems we can not simulate media packet lost in 2.0. followig code lines are skipped in pjsua_media.c: pjmedia_transport_simulate_lost(call_med->tp, PJMEDIA_DIR_ENCODING, pjsua_var.media_cfg.tx_drop_pct); pjmedia_transport_simulate_lost(call_med->tp, PJMEDIA_DIR_DECODING, pjsua_var.media_cfg.rx_drop_pct); Faba -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120626/be145b76/attachment.html>