[osmocom-analog] PBX sends PRACK during call progress which osmo-cc-sip-endpoint rejects

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Markus Stamm markus at stamm.nu
Mon Mar 29 21:25:19 UTC 2021




On 07.03.2021 21:09, atmega at wp.pl wrote:
> Hey there ! I am excited that this topic started ;-)
> 
> I am 40 yo guy from Poznan, Poland, about 2 decades ago I had pleasure 
> to work with NMT Centertel Dealer.
> 
> It brings for me great memories. Recently I managed to collect some NMT 
> phones - at the moment I have more than 10 fully functional NMT phones:
> 
> Nokia 250, 350, 440, 450, 540, 550, 650,
> 
> Benefon Delta, Benefon Sigma, Benefon Spica, Motorola Associate 2000.
> 
> I have four Baofeng radios, buils Linux based pc, bought 2 USB cards and 
> managed to compile, run and work Osmocom - Analog and called phone to 
> phone. Also Computer to phone over headphones.
> 
> I was also trying to launch LCR, bought ISDN card Fritz, and was 
> attempting to use FritzBox with built - in VOIP - Isdn gate and try to 
> make my NMT phone call PSTN over Voip and mISDN/LCR router.
> 
> So far no succes. I am not a specialist - self learned electronic - 
> hobbyst. If I could afford it I would buy LimeSDR but for the moment it 
> is a bit expensive for me.
> 
> Anyway - I have tried OSMO-CC-ENDPOINT as I realised that I will not 
> need any LCR / mISDN / asterisk anymore.
> 
> I did try many times but all I can get is an update about authentication 
> error with my SIP provider.
> 
> here is log :
> 
> osmocom-analog connects to osmo-cc-sip-endpoint, but it looks like 
> SIP-Endpoint does not connects to my SIP provider. I did forward 5060 
> ports to my linux pc, what could I do wrong:
> 
> sip.c:1430 debug : Event 29 from SIP stack received (handle=0x55cb861d7980)
> sip.c: 921 info : Received REGISTER response: 401 Unauthorized 
> (registration)
> sip.c: 943 debug : Register challenge received
> sip.c: 178 debug : challenge order received
> sip.c: 194 notice : No authentication header found
> sip.c: 954 debug : Register failed, starting register timer
> sip.c: 956 debug : destroying nua_handle 0x55cb861d7980 (register)
> 
> using this command line:
> 
> osmo-cc-sip-endpoint -r mysipnumber at mysipserverip -l 
> localIPosmocom-analog -A SipAccountUser SipAccountPass --remote-auth 
> --register SIPAccountUser at SipServerIp --cc 'screen-called-in "" 
> "myNMTphone"' -P myPublicIP -v 0
> 
> Any ideas what do I do wrong?
> 
> Many greetings for All people in osmocom-analog subjects. I am 
> fascinated about this historical technology. Would be very happy if I 
> could call somebody from my NMT phone !
> 
> Regards for all people who work with osmocom-analog subject. Respect to all!
> 
> Jacek
> 

-- 
Markus Stamm
Beethovenstr. 31
91126 Schwabach
Tel (09122) 81855
Mobil (0172) 8901780
Fax (09122) 81856
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