<div dir="ltr">I would start by recording the raw audio on the b-channels and listening to those. This API command is useful:<br><br><pre>ftdm trace <path where to save files per channel> <span_id> [<chan_id>]<br>
<br></pre><pre><span style="font-family:arial,helvetica,sans-serif">You can launch that at the beginning of each call and then call ftdm no trace as the api_hangup_hook and then you'll have a separate file for each phone call. Note: this api will create separate files for inbound and outbound calls.<br>
<br></span></pre><pre><span style="font-family:arial,helvetica,sans-serif">-MC </span><br></pre></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jul 16, 2013 at 5:11 AM, bawajan <span dir="ltr"><<a href="mailto:shaik.bawajan@gmail.com" target="_blank">shaik.bawajan@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Am using freetdm with PRI and using sangoma card.<br>
<br>
Now a days i found that on some calls the audio quality is very bad, but on<br>
some calls the quality is good.<br>
<br>
Not able figure out the issue.<br>
<br>
Kindly help me to find the issue and let me know your kind suggestions.<br>
<br>
Thanks,<br>
<br>
<br>
<br>
--<br>
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