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Hi Neels,<br>
<br>
Sorry for the late response. I'm still out of the office due to medical conditions. I was not able to test the mncc2 and mncc3. I'll let you know once I've test those.<br>
<br>
Hi Keith,<br>
<br>
I'm using B210 on my test setup. <span style="font-family:"Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, "system-ui", Roboto, "Helvetica Neue", sans-serif;font-size:15px;background-color:rgb(255, 255, 255);display:inline !important">HEALTH-E
is a mobile app specifically for covid tracker.</span></div>
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<div style="margin:0px"><span style="margin:0px; font-family:Calibri"><b style="color:rgb(76,76,76); font-family:"Palatino Linotype"">Regards,</b></span>
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<div style="margin:0px"><b style="color:rgb(76,76,76); font-family:"Palatino Linotype"">Justin Mark Repollo</b></div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Neels Hofmeyr <nhofmeyr@sysmocom.de><br>
<b>Sent:</b> 05 November 2021 18:17<br>
<b>To:</b> Justin <justin.repollo@entropysolution.com><br>
<b>Cc:</b> openbsc@lists.osmocom.org <openbsc@lists.osmocom.org><br>
<b>Subject:</b> Re: OSMO-MSC External MNCC integration with FeeSwitch</font>
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<div class="PlainText">> I'm trying to work out using half rate channel in my testbed setup but unfortunately, I'm getting an error message Originate Failed. Cause: INCOMPATIBLE_DESTINATION. Do I need to adjust some configurations in OSMO to make it work?<br>
<br>
Codec negotiation is quite broken in OsmoMSC. Patches to fix that are tested<br>
and have been almost-ready for years now, unfortunately there was not<br>
sufficient human resource available to fully finish and merge them.<br>
<br>
To use proper codec negotiation from MS thru SIP, you may try using:<br>
<br>
osmo-msc branch neels/mncc_codecs3<br>
osmo-sip-connector branch neels/codecs3<br>
<br>
(The last actually tested versions were neels/mncc_codecs2 and neels/codecs2, I<br>
just now rebased those onto current master and resolved some conflicts, however<br>
don't have the time to also test them. So if 3 fails, you may also try 2.)<br>
<br>
Without above patches, the codec in osmo-sip-connector is actually hard coded<br>
and you will be able to use only that single codec, chosen by actually patching<br>
the source code of osmo-sip-connector.<br>
<br>
*With* above patches, a) codec selection is based on more information in<br>
osmo-msc, and b) the codec is properly transported through to the SDP that ends<br>
up in the SIP and back from SIP to the MSC.<br>
<br>
Feedback would be appreciated! If these patches help you, then it confirms<br>
(again) that someone should fund us to work on merging them...<br>
<br>
Thanks!<br>
~N<br>
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