Hi All, I'm trying to use the echo cancellation module on my embedded platform,To make voip(using pjsip) call , These are the steps i followed, pulseaudio -v pactl load-module module-echo-cancel export pulse_prop=filter.apply=echo-cancel I started voip(pjsip audio), These are the errors I am getting module-echo-cancel.c: Playback after capture (-1589177), drop sink 101726 module-echo-cancel.c: Playback after capture (-1699880), drop sink 108812 module-echo-cancel.c: Playback after capture (-1721343), drop sink 110184 asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally module-echo-cancel.c: Playback after capture (-1715749), drop sink 109826 module-echo-cancel.c: Playback after capture (-1621453), drop sink 103792 module-echo-cancel.c: Playback after capture (-1761228), drop sink 112738 module-echo-cancel.c: Playback after capture (-1529473), drop sink 97906 module-echo-cancel.c: Playback after capture (-1679023), drop sink 107476 module-echo-cancel.c: Playback after capture (-1636147), drop sink 104732 asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally module-echo-cancel.c: Playback after capture (-1669008), drop sink 106836 asyncq.c: q overrun, queuing locally module-echo-cancel.c: Playback after capture (-1635108), drop sink 104666 module-echo-cancel.c: Playback after capture (-1667618), drop sink 106746 module-echo-cancel.c: Playback after capture (-1711245), drop sink 109538 module-echo-cancel.c: Playback after capture (-2049263), drop sink 131172 module-echo-cancel.c: Playback after capture (-1785619), drop sink 114298 module-echo-cancel.c: Playback after capture (-1751432), drop sink 112110 asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally module-echo-cancel.c: Playback after capture (-1558469), drop sink 99762 module-echo-cancel.c: Playback after capture (-1662598), drop sink 106426 module-echo-cancel.c: Playback after capture (-1617193), drop sink 103520 module-echo-cancel.c: Playback after capture (-1729097), drop sink 110682 module-echo-cancel.c: Playback after capture (-1842436), drop sink 117934 module-echo-cancel.c: Playback after capture (-1771540), drop sink 113398 asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally module-echo-cancel.c: Playback after capture (-1468806), drop sink 94022 asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally module-echo-cancel.c: Playback after capture (-1622124), drop sink 103834 module-echo-cancel.c: Playback after capture (-1711082), drop sink 109528 module-echo-cancel.c: Playback after capture (-1716875), drop sink 109900 module-echo-cancel.c: Playback after capture (-1868113), drop sink 119578 module-echo-cancel.c: Playback after capture (-1462160), drop sink 93598 module-echo-cancel.c: Playback after capture (-1651153), drop sink 105692 asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally asyncq.c: q overrun, queuing locally module-echo-cancel.c: Playback after capture (-2082849), drop sink 133322 asyncq.c: q overrun, queuing locally module-echo-cancel.c: Playback after capture (-1621593), drop sink 103800 module-echo-cancel.c: Playback after capture (-1538404), drop sink 98476 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1618386), drop sink 103596 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1668635), drop sink 106812 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1689175), drop sink 108126 W: [alsa-source-SGTL5000 SGTL5000-0] asyncq.c: q overrun, queuing locally W: [alsa-source-SGTL5000 SGTL5000-0] asyncq.c: q overrun, queuing locally W: [alsa-source-SGTL5000 SGTL5000-0] asyncq.c: q overrun, queuing locally E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1533649), drop sink 98172 W: [alsa-source-SGTL5000 SGTL5000-0] asyncq.c: q overrun, queuing locally W: [alsa-source-SGTL5000 SGTL5000-0] asyncq.c: q overrun, queuing locally W: [alsa-source-SGTL5000 SGTL5000-0] asyncq.c: q overrun, queuing locally E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1804534), drop sink 115510 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1821290), drop sink 116582 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1687431), drop sink 108014 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1929352), drop sink 123498 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1537076), drop sink 98392 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1624694), drop sink 104000 W: [alsa-source-SGTL5000 SGTL5000-0] asyncq.c: q overrun, queuing locally W: [alsa-source-SGTL5000 SGTL5000-0] asyncq.c: q overrun, queuing locally W: [alsa-source-SGTL5000 SGTL5000-0] asyncq.c: q overrun, queuing locally E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1471492), drop sink 94194 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1542689), drop sink 98752 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1549462), drop sink 99184 E: [alsa-source-SGTL5000 SGTL5000-0] module-echo-cancel.c: Playback after capture (-1540833), drop sink 98632 Can you please look into this logs Thanks&Regards D Dheeraj kumar