<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Mar 1, 2011, at 4:19 AM, Ishfaq Malik wrote:</div><blockquote type="cite"><div><font class="Apple-style-span" color="#000000"><br></font>Seeing that 1.8.3 had been released I updated our main test server to<br>that from 1.8.2.2 using the digium yum repo.<br><br>All audio had been working fine on this server before the update but<br>after the update I experienced the same as I did with rc3.<br><br>Internal ext to ext calls are fine. <br><br>Outbound calls to mobile networks via our SIP provider are fine.<br><br>Inbound calls via our SIP provider have one way audio.<br><br>The servers are CentOs 5.5 and we are using RealTime architecture.<br><br>Any thoughts would be appreciated<br></div></blockquote></div><br><div>One-way audio is almost always NAT related. Does the Asterisk server have a public IP?</div></body></html>