<div dir="ltr">Send me the details and I can expose that.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Nov 13, 2019 at 11:45 AM Steve Underwood <<a href="mailto:coppice12@gmail.com">coppice12@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 11/13/19 6:03 PM, Daniel Greenwald wrote:<br>
> Anyone know if freeswitch can be made to send periodic No-signal <br>
> packets while receiving a page data pump? Carrier's SBC is hitting an <br>
> RTP timer during long page transfers because freeswitch/spandsp is <br>
> completely silent while receiving a page. Other T38 switches I've <br>
> noticed will send a No-Signal packet every 300ms seconds as a <br>
> keep-alive. This can be seen in the top screenshot below. Lower one is <br>
> freeswitch receiving a page silently.<br>
<br>
So, you've found yet another broken buggy system that doesn't follow <br>
standards. Surprise, surprise. If you find the person who made the <br>
system require no signal packets every 300ms can you find a 4x2 and wack <br>
them around the head with it for me, please?<br>
<br>
There is an option in spandsp itself to make it regularly repeat the <br>
indicator signals, to tolerate this kind of broken behaviour. I'm not <br>
sure if the Freeswitch module exposes that capability.<br>
<br>
Regards,<br>
<br>
Steve<br>
<br>
<br>
<br>
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