<div dir="ltr">You shouldn't use export for this, and that is a made up variable name. There is no way to specify it.<div><br></div><div>/b</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, May 24, 2019 at 11:54 AM Marcel Haldemann <<a href="mailto:marcel.haldemann@convercom.ch">marcel.haldemann@convercom.ch</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">
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<p class="MsoNormal"><span lang="EN-US">Hi Alex,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks, but this just shows how to parse it, “</span><span lang="EN-US">rtp_payload_number” is just a user-defined variable and no freeswitch variable. At least I can’t find it in the
sourceCode or docs somewhere (I also tested and it doesn’t work).<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">What I expected to work is:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><condition field="${switch_r_sdp}" expression="a=rtpmap:(\d+)\stelephone-event/8000" break="never"><br>
<action application="export" data="_nolocal_rfc2833_pt=$1"/><br>
</condition><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">But it doesn’t. the rfc2833 pt is still 101 on the b-leg.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">kindly<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span lang="DE">Von:</span></b><span lang="DE"> FreeSWITCH-users <<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>>
<b>Im Auftrag von </b>Alexey Sibyakin<br>
<b>Gesendet:</b> Freitag, 24. Mai 2019 12:54<br>
<b>An:</b> FreeSWITCH Users Help <<a href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank">freeswitch-users@lists.freeswitch.org</a>><br>
<b>Betreff:</b> Re: [Freeswitch-users] Set RFC2833 PT on b-leg?<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Hi,<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">If I got you right, the example from vanilla dialplan should help you:<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><condition field="${switch_r_sdp}" expression="a=rtpmap:(\d+)\stelephone-event/8000" break="never"><br>
<action application="set" data="rtp_payload_number=$1"/><br>
<anti-action application="start_dtmf"/><br>
</condition><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">but you may need to use export instead of set.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Regards,<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Alex<br clear="all">
<u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Arial,sans-serif;color:black">Alex Sibyakin | Support Engineer SignalWire | 228 Hamilton Ave 3rd Floor, Palo Alto, CA 94303 Email:
<a href="mailto:alex@freeswitch.com" target="_blank">alex@freeswitch.com</a> Website:
<a href="https://www.signalwire.com" target="_blank">https://www.signalwire.com</a></span><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">On Fri, May 24, 2019 at 6:25 PM Marcel Haldemann <<a href="mailto:marcel.haldemann@convercom.ch" target="_blank">marcel.haldemann@convercom.ch</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">Hi Guys,<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">I’m Looking for a possibility to set the payload type for “DTMF via RFC2833” on the b-leg (bridge) per Call.</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">Overwriting the “rfc2833-pt” setting from the Outbound profile.</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">I can’t find any variable doing this. I tried to export “rfc2833_pt” on a call, once with “rfc2833-pt” set to “101” in the profile and once without setting the
“rfc2833-pt” parameter at all.</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">If “rfc2833-pt” is not set in the profile FreeSwitch just defaults to 101 rather than taking it from the a-leg (what I was hoping for).</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">A variable to instruct Freeswitch to take the same “RFC2833 Payload type” on the B-Leg (bridge) as on the a-leg would also be fine, as this is finally the goal.</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">The reason I need this is:</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">We found that if we use Bypass_media_after_brdige with bypass_media_after_bridge_oldscool
</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">and the a-leg uses RFC2833 DTMF with any other payload type than 101, DTMFs don’t work after the reInvite. (we have to use oldscool as the not oldscool one isn’t
working, because the SoftSwitch isn’t fetching the sdp and sending it to the end device and not all end-devices handle this properly)</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">For tests we then changed the “rfc2833-pt” to always the value we knew the call will have as pt 96, 100, …
</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">Then all worked fine.</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">The best solution would be to have a variable doing: “useSamePayloadTypeForRfc2833OnBrdige” = “true”. Is there any such variable ?</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">The second best Solution would be to parse it out of the m_sdp variable and then have a variable “rfc2833_pt” = “xxx” (using the “export” application to set it
on b-leg (bridge)). Is there any such variable ?</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">The only current possible solution I could think is to make Outpundprofiles for all possible PaylaodTypes 96-127 and maybe call them “Outbound96” – “Outbound127”,
parse the PT from m_sdp and use the proper profile. But this is very ugly :o</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">Any other solutions/suggestions ?</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-US">Kindly</span><u></u><u></u></p>
</div>
</div>
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