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* add support for parsing measurement results (both BTS and MS side)
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* initialize some data structures before using them in RSL
* DATA_REQ is a transparent message
* more elaborate DEBUGP statements here and there
* don't call 04.08 with zero-length RSL DATA INDICATION
* reject 04.08 CC HOLD and RETRIEVE, as we don't support them yet
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bytes in length)
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* struct for imsi detach
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* correctly lchan_put the second lchan of a call at teardown
* map the RTP streams of ip.access onto each other
* fix bug that prevented a CONNECt message to ever reach the 'B' side
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* initiate phone calls from one MS
* look-up the subscriber based on dialled extension
* page the called subscriber
* send the SETUP to the called subscriber, including CLIP/CLIR
* get ALERTING notification back to caller
* relay DISCONNECT from either side to the other
This is still far from being complete, but it at least works for the most common case
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* implement function for CHANNEL MODE MODIFY
* don't use hard-coded SETUP message but construct it with tlv functions
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After auto releasing a channel the next paging request will
not be immediately answered. The hypothesis was that we do
not release the channel properly. Implementing Channel Release
of GSM 04.08 should have fixed it, but it didn't. According
to the wireshark dissectors the message is correct though.
- Add the RR cause values to gsm_04_08.
- Implement the Channel Release message
- Invoke the release channel function before deallocating
the lchan.
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- Initialize Control Channel Description of SI3
- Patch the table
- Setting ATT now is easy
- Paging can now extract all required information... to determine
the right paging group.
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Be able to send Accept/Reject the Service Request. Use mi_string
instead of the the msgb buffer (even if it is memsetted and such)...
The TMSI allocation seems to be a bit problematic and needs some
further checking. The rough idea is that we try to find the subscriber
for a CM Service Request and then decide based on the subscriber
if we want to handle the call.
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Remove the callbacks from gsm_network for now. A set of different
callbacks will be back. E.g. when the paging is completed, when the
Q.931 like call handling is there...
Remove var's or move them into #if 0, remove unused stuff that looks
like we do not need it anytime soon or #if 0 them, move stuff around.
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This will need to be moved into bsc_hack.c together with the
policy to accept/reject a UPDATING LOCATION REQUEST.
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* gsm_data: add network name to gsm_network
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This should move out of gsm_04_08 and the accept, reject
policy should be controllable by the higher levels.
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Convert spec to the enum
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* use aligned attribute for more data structures
* add command line arguments for operator/country code
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Prefix generate_lai with gsm0408 and update call sites. It will
be used from within bsc_hack.c
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system information type 4 is a bit tricky as it has
a variable length and is terminated by a manadantory field.
System Information Type 6 has a mandantory SI 6 Reset Octet
but our BTS is happy with not receiving it. Make it optional
by the adding a 'pointer'.
System Information Type 5 and System Information Type 6 are
send through rsl_sacch_filling and it looks like we do not
need to send the L2 pseudo length. So far we have not found
the documentation confirming this. This is why the header
from Type 1 to Type 4 is not used.
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