<p dir="ltr">Ciao Stanislav,</p>
<p dir="ltr">the whole idea of gsmopen is to use cheap and ready available radio interfaces, that maybe you can get off ebay or surplus.</p>
<p dir="ltr">Also, they are undistinguishable from "normally used" dongles, and that is a plus in a lot of countries.</p>
<p dir="ltr">I don't know about pci modems that exposes an audio interface to the operating system.</p>
<p dir="ltr">Some soldering and demuxing will be probably needed.</p>
<p dir="ltr">But at that point, I would go with Samgoma or Khomp cards...</p>
<p dir="ltr">Also because for doing it well, a lot of engineering details are involved, from shielding to low pass filtering, to magnetic interferences, etc</p>
<p dir="ltr">Anyway, I like those things too! :)</p>
<p dir="ltr">-giovanni<br></p>
<p dir="ltr">sent from mobile<br>
cell: +39 347 266 56 18<br>
Giovanni Maruzzelli<br>
OpenTelecom.IT</p>
<div class="gmail_quote">Il 05/Giu/2016 16:06, "Stanislav Sinyagin" <<a href="mailto:ssinyagin@gmail.com">ssinyagin@gmail.com</a>> ha scritto:<br type="attribution"><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">does anyone know a GSM/UMTS/LTE modem that has mini-PCIe interface and<br>
is able to deliver voice signal that can be passed to mod_gsmopen?<br>
<br>
The only one that has any kind of voice signal that I found, is Huawei<br>
MU609 and the like. But they deliver PCM voice as a raw signal on<br>
mini-PCIe pins which are marked as "reserved" in the interface<br>
specifications, so normally the boards don't have any wiring for those<br>
pins.<br>
<br>
I just don't like the idea of an USB dongle, and there are many<br>
hardware platforms with mini-PCIe interfaces. They work perfectly for<br>
mobile data, but I couldn't find any option for voice.<br>
<br>
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