openbsc with softBTS

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Fadil Berisha f.koliqi at gmail.com
Mon Apr 5 14:37:31 UTC 2010


I am doing some experimenting with openbsc with software emulation of
ipaccess. At this early stage, I am communicating with openbsc with hard
coded messages.  Here is what getting as response from openbsc:

./bsc_hack --debug=DNM:DRSL
DB: Database initialized.
DB: Database prepared.
<0005> bsc_init.c:626 bootstrapping OML for BTS 0
<0005> abis_nm.c:583 OC=BASEBAND TRANSCEIVER(04) INST=(00,ff,ff) SW Activate
Request: ACKing and Activating
<0005> abis_nm.c:934 Found SW config: 42 12 00 05 01 02 03 04 05 13 00 05 05
04 03 02 01
<0005> abis_nm.c:1482 state 4, NM MT 0x0e
<0005> abis_nm.c:1581 Activate Software DONE!
<0005> abis_nm.c:583 OC=BASEBAND TRANSCEIVER(04) INST=(00,ff,ff) Software
Activated Report
<0005> abis_nm.c:583 OC=BTS(01) INST=(00,ff,ff) IPACCESS(0xe1): RSL CONNECT
ACK PORT=3003

 Openbsc responding properly on PING from softBTS in both links for OML and
RSL.  Looks like OML and RSL connection are established, but, here is
problem.
To get RSL CONNECT ACK PORT=3003, I send OML message
NM_MT_IPACC_RSL_CONNECT_ACK before recieving request NM_MT_IPACC_RSL_CONNECT
from openbsc.
My question is, how to get in stage when openbsc is ready to send
NM_MT_IPACC_RSL_CONNECT. What  expecting openbsc to get from ipaccess before
sending NM_MT_IPACC_RSL_CONNECT?

Thank you

Fadil Berisha
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