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# chan_openbsc
Pre-historic Channel driver for the [OpenBSC](https://osmocom.org/projects/openbsc) project
**THIS CODE IS LONG OBSOLETE AND FOR HISTORIC REFERENCE ONLY**
Please use [osmo-sip-connector](https://osmocom.org/projects/osmo-sip-conector/wiki) instead.
Building
--------
This module is made for the asterisk 1.6.2 branch.
To build it, you'll need the asterisk sources (configured, so it's best
if it's the sources you installed from) and the OpenBSC source.
The default makefile assumes that the asterisk sources are in ../asterisk
and the OpenBSC sources are in ../openbsc . If it's not the case, you
can override those locations with the ASTSRC & OPENBSCSRC variables
respectively.
You first need to compile OpenBSC itself, but since in asterisk it will
be in a dynamic module you need to make sure to (re-)build it with :
$ make CFLAGS=-fPIC
Once that's done, you can just type make in the ast_chan_openbsc directory
and it should build without problems.
If you have build problems, please fix and submit patch :)
Using
-----
Using it is pretty straightforward:
* Make sure OpenBSC works standalone
Using bsc_hack, you should test that OpenBSC itself works, that your
openbsc.cfg is properly setup and that your subscribers are in the
HLR sqlite3 database.
* Configure the channel driver
Just place an 'openbsc.conf' in your asterisk configuration directory,
using the . The two main required parameters are the location of the
OpenBSC .cfg file and of the HLR database.
* Install the channel driver module
You need to copy the chan_openbsc.so in the asterisk module directory,
usually /usr/lib/asterisk/modules/ . In theory asterisk auto-loads modules
but if you have a custom configuration, you may need to make sure it's
loaded in modules.conf of asterisk.
* Start asterisk
"Soon" after asterisk is started, the nanoBTS should connect and start
broadcasting the network.
* To place a call
You need a target extensions in your extensions.conf , something like
exten => _2XXX,1,Dial(OpenBSC/${EXTEN:1}, 20, rt)
The part after the "OpenBSC/" is the extension as registred in the
OpenBSC HLR database.
Limitations
-----------
Wow, there is so many, here's a few ones:
- ip.access nanoBTS only
- Can't reload the module, have to restart asterisk.
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