<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1550782660531_155178">Hello,</div><div id="yui_3_16_0_ym19_1_1550782660531_155177"><br></div><div id="yui_3_16_0_ym19_1_1550782660531_155171">This is not technical post, just looking for suggestions on what to check.</div><div id="yui_3_16_0_ym19_1_1550782660531_155172">I have asterisk for long time, no updates, just maintain OS updates.</div><div id="yui_3_16_0_ym19_1_1550782660531_155173"><br></div><div id="yui_3_16_0_ym19_1_1550782660531_155174">I use SPA504G phones</div><div id="yui_3_16_0_ym19_1_1550782660531_155175"><br></div><div id="yui_3_16_0_ym19_1_1550782660531_155176">Very rarely and randomly when we pickup a phone - other side does not hear us. Call them back and all works.</div><div><br></div><div>Now I have couple people I'm talking to and it seems like very call like this. Someone can't hear someone.</div><div id="yui_3_16_0_ym19_1_1550782660531_155180"><br></div><div>Don't know where to start to troubleshoot and what to look for.</div><div><br></div><div id="yui_3_16_0_ym19_1_1550782660531_155181">Thanks!</div></div></body></html>