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Using this option, you can use two BS-11 connected to the same E1
link. The first BS-11 needs to have BPORT0 and BPORT1 objects created with E1
Line Configuration attribute "multi-drop". The second BS-11 is configured with
only BPORT0 in star configuration, and needs to have the OML signalling on TS6
instead of TS1. Also, a kernel patch providing a second virtual E1 interface
is needed.
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also fix a minor error when printing BTS/TRX number
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* remove old HAVE_TRX1 definition, replace it with '-1' commandline argument
* make sure we actually configure the OML TRX attributes with a different
ARFCN than TRX0
* make sure we configure timeslot 0 of TRX1 also in TCH/F mode
This code is untested, but if you have a dual-trx BS-11, and the second TRX
is activated, you should be able to run bsc_hack with the -1 option to enable
and use the second trx. It works like this:
* TRX1 shares E1 timeslot 0 for signalling
* TRX1 RSL link uses TEI2 (TRX0 uses 1)
* TRX1 on ARFCN+2, i.e. if you have TRX0 on 122, TRX1 will be 124
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Up until now, we only supported direct RTP streams between ip.access BTS.
With this commit, the user can specify '-P' to the command line to enable
a RTP/RTCP proxy inside OpenBSC. The nanoBTS will then send all their voice
data to OpenBSC, which will relay it to the respective destination BTS (which
can be the same BTS).
The default behaviour remains unchanged. Without '-P' on the command line,
RTP/RTCP is exchanged directly.
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Fix the FIXME and replace the hardcoded site_id's of the
nanoBTS with a command line option. You can use -i DEVICE_X
for every BTS you want to handle.
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we also rename some existing attributes to reflect reality
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As Dieter has pointed out, we currently send incorrect information
in the rest octets, particularly about our GPRS capability. Since
the format of the rest octets is highly complex, and we don't
actually need any of those features yet, we might just fill them
with padding.
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This makes it much easier to do run-time configuration using the vty
interface.
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* add bts->band field plus corresponding VTY and commandline argument
* add trx->nominal_power and trx->max_power_red fields
* add rsl_chan_bs_power_ctrl() to control TRX RF power for a given TS
* add rsl_chan_ms_power_ctrl() to control MS RF power for a given lchan.
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BS11 should only use the raw message sending function if there is no
standard alternative. For TRX and BTS attributes, we have the standard
variant.
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This is Harald's reworked MNCC base, slowly heading towards integration
into master. The key changes are:
* provide much more structure to the data in gsm_mncc
* encode_* and decode_* functions now take a structure rather than tons
of individual arguments (whose order nobody can remember)
* make sure we don't have copies of the same code everywhere by introducing
mncc_set_cause() and mncc_release_ind()
* save horizontal screen space if possible
* make sure we break lines > 80 characters
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When trying to operate a nanoBTS900 on channels for 1800
or the other way around the "SET BTS ATTRIBUTES" message
will be nacked. Dispatch all nacked messages from abis_nm
via signals. Handle this in bsc_hack.c, print a small hint
and exit the application as this is considered a fatal
unrecoverable error (the exit is in the app, so a library
can be more robust).
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The GSM1800 requires us to use channels between 512-885. When
failing to provide such a channel the OML layer will fail and
no RSL connection will be opened.
Add a sanity check before creating the gsm_network and fail
when the channels are not within the allowed range.
Assume no one is operating a BS11 in the 1800 spectrum.
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