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tejas oza ozmank8 at gmail.comHi Holger, We have wrapped the libsccp.a to our C node so can you let us know how it can be useful to write C Node as we run the code without wrapping the libsccp.a and it works fine. We mean how can we make the best use of it ! On Thu, Oct 14, 2010 at 10:24 AM, Holger Hans Peter Freyther < holger at freyther.de> wrote: > On 10/14/2010 10:08 AM, tejas oza wrote: > > Hi Holger, > > > > We managed to send the paging request from MSC to OpenBSC and we can > track it > > on wireshark that the packet format is correct but we are wonder if we > should > > expect any response from OpenBSC to MSC for paging request and OpenBSC > code > > seems to be returning -1 as per our understanding. > > Theory: > After you sent the Paging Request the BSC will start to page the > subscriber. > If the Mobile Stations sees the Paging Request it will open a channel with > the > BSC, the BSC will forward the Paging Response to the MSC on a new SCCP > connection. > Ironically the code you are using has a bsc_msc_ip.c:test_msc that is > called > when you send the ID_GET request. This will send you the data of a paging > response, so you could start dealing with connections while we figure out > the > current issue. > > Issue: > You are right the package looks good. You will need to go to the code to > figure out what is wrong. You should set a breakpoint in ipaccess_read_msg > (src/input/ipaccess.c). It will try to receive the header and then it will > receive the data. In the other mail I have indicated that you need to send > header + data as one packet (instead of two writes for header and data). > > You can use gdb to step through these lines of code and you should see the > place where it returns NULL. > > -- Thanks & Regards Tejas Oza -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20101015/8ee2a6e7/attachment.htm>