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Craig Reading craig.reading1 at gmail.comJoel, I have played with sendsms and the results seem hit and miss. Sometimes OpenBTS core dumps. After a power cycle of my Nokia MS the first SMS is received OK e.g. sendsms 234100516180928 SabreTek Hello with a Wireshark trace showing: GSM SMS 87 I, N(R)=0, N(S)=1(DTAP) (SMS) CP-DATA (RP) RP-DATA (Network to MS) The next SMS does not get received and I see the following error in the OpenBTS logs: GSML2LAPDm.cpp:925:sendMultiframeData: obj: 0x8b14078 attempt to send DATA on released LAPm channel I would up the log level on GSM L2 and continue investigations here. config Log.Level.GSML2LAPDm.cpp DEBUG PS: You can clear the TMSI table using the following SQL in a file named "TMSI.sql": BEGIN TRANSACTION; DELETE FROM TMSI_TABLE; COMMIT; Then: sqlite3 -init TMSI.sql /etc/OpenBTS/OpenBTS.db ".quit" Regards Craig -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/umtrx/attachments/20130324/353a9c60/attachment.htm>