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Inside the SI1 rest_octets we will need to indicate if the ARFCN
is band 1800 or 1900. If the BTS is either 850 or 1900 we assume
we are running a PCS network, otherwise it is a DCS network.
The band indicator is not documented in GSM 04.08 but it is in the
GSM 05.14 version 6.1.0 Release 1997.
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These are not needed any more. We used them for u_int
types but we now use uint which comes from stdint.h
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This was done with sed on the files.
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Extension Information is part of the GPRS Cell Options IE, as
specified in Chapter 12.24 of TS 04.60. It is needed for
indicating EDGE capabilities of the BTS to the MS.
This simply adds the code to encode this IE as part of SI13,
but does not actually use the code yet.
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Before this commit, OpenBSC used templates for the SYSTEM INFO
1, 2, 3, 4, 5 and 6 messages. Those templates were patched in
various places to reflect the network config like ARFCN.
Now, we actually generate those SI messages ourselves, using
values from the configuration file, and even calculating neighbor
cell lists.
All bts'es that you have configured in OpenBSC will end up in
the neighbor cell list - which should be more than sufficient for
the current small-single-site networks.
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