<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small;color:rgb(51,51,153)">I'm calling in from a Linksys SPA941 and I will be the only user on the FreeSWITCH server. I have been using tcpdump to capture my RTP traffic using the following command:</div>
<div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small;color:rgb(51,51,153)"><br></div><div class="gmail_default"><font color="#333399" face="verdana, sans-serif">tcpdump -i any -n dst portrange 10000-50000</font><br>
</div><div class="gmail_default"><font color="#333399" face="verdana, sans-serif"><br></font></div><div class="gmail_default"><font color="#333399" face="verdana, sans-serif">I configured two test scripts as below:</font></div>
<div class="gmail_default"><font color="#333399" face="verdana, sans-serif"><br></font></div><div class="gmail_default"><div class="gmail_default"><font color="#333399" face="verdana, sans-serif"><b>Script 1: Answer call, generate 1000ms silence (as above) and then record. </b></font></div>
<div class="gmail_default"><font color="#333399" face="verdana, sans-serif">This showed a steady stream of UDP data throughout the call and resulted in a recording.</font></div><div class="gmail_default"><div class="gmail_default">
<font color="#333399" face="verdana, sans-serif"><br></font></div><div class="gmail_default"><font color="#333399" face="verdana, sans-serif"><b>Script 2: Answer call, sleep for 1 second and then record. </b></font></div>
<div class="gmail_default"><font color="#333399" face="verdana, sans-serif">This showed a steady stream of UDP data throughout the call but resulted in a blank recording.</font></div><div class="gmail_default"><font color="#333399" face="verdana, sans-serif"><br>
</font></div><div class="gmail_default"><font color="#333399" face="verdana, sans-serif">This is interesting and indicates to me that there is probably something that the FreeSWITCH file play operation is doing (even when its a silence stream) that is not carried out by the record application. I would expect that its unusual for a telephony application to want to answer and record without any play operations first.</font></div>
<div class="gmail_default"><font color="#333399" face="verdana, sans-serif"><br></font></div><div class="gmail_default"><font color="#333399" face="verdana, sans-serif">Thanks again,</font></div><div class="gmail_default">
<font color="#333399" face="verdana, sans-serif"><br></font></div><div class="gmail_default"><font color="#333399" face="verdana, sans-serif">Callum</font></div><div class="gmail_default"><font color="#333399" face="verdana, sans-serif"><br>
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