First post

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Gullik Webjorn gullik.webjorn at corevalue.se
Mon Dec 17 09:00:30 UTC 2018


It looks like this is addressed in change 11139, however this was 3 
months ago, and build date

of osmo-msc_1.2.0_armhf.deb seems to be nov-10, but it seems not in there.

Would the fix be in osmo-msc_1.2.0.140.1051c_armhf.deb ?

Gullik


On 2018-12-17 09:46, Gullik Webjorn wrote:
> Hello,
>
> I have recently started to deploy OpenBSC . Initially I hope to 
> contribute to manuals and howtos
>
> and with bug reports and testing. I have followed the suggested line, 
> and installed everything from
>
> binarys, which puts for instance osmo-msc at 1.2.0. The platform is 
> Orange Pi Zero, and UHD / B100,
>
> but will evolve to OPI Z + limesdr-mini.
>
> I have encountered the "swapped address" bug reported some 3-4 months 
> ago, but is there in
>
> osmo-msc 1.2.0, i.e. resulting in one way audio, since the sdp is 
> addressed to a byte reversed
>
> address. Apart from that problem I have some minor stability issues 
> (more later ).
>
> so, my entry #1
>
> Latest .deb packages have an issue with requesting the RTP stream for 
> audio TO Mobile
>
> with a bogus IP address:
>
> 16:20:17.739790 IP (tos 0x0, ttl 64, id 50362, offset 0, flags [none], 
> proto UDP (17), length 698)
>     orangepizero.lan.5065 > slottet.lan.sip: [udp sum ok] SIP, length: 
> 670
>         INVITE sip:1000 at 192.168.1.80:5060 SIP/2.0
>         Via: SIP/2.0/UDP 
> 192.168.1.170:5065;rport;branch=z9hG4bKcgB6KF1r9Z8Zj
>         Max-Forwards: 70
>         From: <sip:0757576000 at 192.168.1.170:5065>;tag=9U40t8B3a8p5r
>         To: <sip:1000 at 192.168.1.80:5060>
>         Call-ID: 590931be-7be8-1237-51bb-0242ed556d0c
>         CSeq: 938485738 INVITE
>         Contact: <sip:192.168.1.170:5065>
>         User-Agent: sofia-sip/1.12.11devel
>         Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, 
> SUBSCRIBE, NOTIFY, REFER, UPDATE
>         Supported: timer, 100rel
>         Content-Type: application/sdp
>         Content-Length: 129
>
>         v=0
>         o=Osmocom 0 0 IN IP4 170.1.168.192
>         s=GSM Call
>         c=IN IP4 170.1.168.192
>         t=0 0
>         m=audio 4036 RTP/AVP 0
>         a=rtpmap:0 GSM/8000
>
> Asterisk on 192.168.1.80, osmo stack on 192.168.1.170,
>
> Best Regards,
>
> Gullik
>



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