<p>I'm suggesting there may be mismatched rtp port ranges on the grandstream phone and on the FreeSWITCH server. Use wireshark or run a tcpdump and see what's going on. It's way easier to see problems from the inside than outside.</p>
<div class="gmail_quote">On 2011-12-20 6:34 AM, "Ryan V" <<a href="mailto:ryan@kaevee.com">ryan@kaevee.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br><br>We have configured a Sangoma A101DE. We are using Grandstream GXP280 phones and no NAT involved. We are using example configuration files except for one change in 00_inbound_did.xml.<br><br><action application="transfer" data="1004 XML default"/><br>
<br>Calls between extensions works fine and outbound calls also work fine.<br><br>Though we are able to receive inbound calls, incoming audio is missing. Calling party hears us loud and clear.<br><br>Any suggestions?<br>
<br>
Thanks,<br><br>Ryan.<br><br><br>
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