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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi Ivan,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Yes, we developed an adaption layer between Nokia IUA (packet Abis) and Osmo BSC. This was working well enough for basic signaling and 1<sup>st</sup> call.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>However, we abandoned that design when we realized that we would have a lot of work, fixes and refactoring to do in the Osmo BSC to support the scalability of the Nokia platform. In the Nokia Flexi 2G architecture, TRXes and most other resources of the BTS are defined and instantiated based on signaling instructions from the BSC.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We developed our own 2G mobile core from scratch and we’re quite happy with it. It has already been commercially launched in a live, nationwide network.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I can send you a copy of the adaption layer if you’re interested. It may be able to bring your BTS online – but you will likely find that the path is generally a bit futile.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Best Regards,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Michael Andersen<o:p></o:p></p><p class=MsoNormal>mob5g.net<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b>From:</b> OpenBSC <openbsc-bounces@lists.osmocom.org> <b>On Behalf Of </b>Ivan Babanov<br><b>Sent:</b> Wednesday, 19 August, 2020 10:25<br><b>To:</b> openbsc@lists.osmocom.org<br><b>Subject:</b> openBSC with commercial BTS<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hello,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I see that currently openBSC/osmoBSC works with a number of old commercial BTS such as Ericsson/Nokia/Siemens etc. It works over E1/Abis. My question is, did somebody try something newer than Nokia UltraSite? I have an ability to try with FlexiBTS rel.3 with Abis over IP. I'm trying to find out if maybe it was already tried and had some unresolveable problems? Please let me know if any. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thank you<o:p></o:p></p></div><div><p class=MsoNormal>Ivan<o:p></o:p></p></div></div></div></body></html>