osmonitb-docker is a Docker container for OpenBSC in osmo-nitb mode. OpenBSC is the implementation of GSM Base Station Controller. Here's the configuration tested:
+----------------------------------------+
| MacBook |
| |
| +-------------------------------+ |
| | VirtualBox VM | |
| | | |
| | +----------------------+ | | |
| | | Docker container | | | \ | / |
| | | (Ubuntu 12.04) | | | \ | / |
| | | | | | \ | / |
| | | +-------------+ | | | +----+----+ +-------+
| | | | OpenBSC | | | | | | | GSM |
| | | | (osmo-nitb) |<-------------------------+ BTS | | phone |
| | | | | | | | | | | |
| | | +-------------+ | | | | | | |
| | | | | | | | | |
| | +----------------------+ | | +---------+ +-------+
| | | |
| +-------------------------------+ |
| |
+----------------------------------------+
BTS was comprised of Fairwaves UmSITE hardware and OsmoBTS software.
Note: OpenBSC runs perfectly fine inside UmSITE computer, alongside OsmoBTS. But OpenBSC could control several BTSes. Additionally, the above configuration is convenient during development.
(skip if running Ubuntu natively)
env BRIDGED_NETWORK=no vagrant up
vagrant ssh
cd /vagrant
docker build -rm -t shamrin/osmonitb .
(skip if running Ubuntu natively)
Reboot the VM and run ifconfig to check Docker host IP address:
exit
vagrant halt
vagrant up --no-provision # with bridged network
vagrant ssh
ifconfig
Note: VM directly connects (via bridge) to the same network as your host, so make sure you can trust your network.
docker run -v $HOME/db:/var/db -i -t -p 3002:3002 -p 3003:3003 -p 30000:30000/udp -p 30001:30001/udp -p 30002:30002/udp -p 30003:30003/udp -p 30004:30004/udp -p 30005:30005/udp -p 30006:30006/udp -p 30007:30007/udp -p 30008:30008/udp -p 30009:30009/udp -p 30010:30010/udp -p 30011:30011/udp -p 30012:30012/udp shamrin/osmonitb start-nitb -i 10.0.0.10 GSM1800 10 20
Replace 10.0.0.10 with the IP address of Docker host, GSM1800 with the band you use, 10 and 20 with your ARFCNs (run ... start-nitb -h for help).
Note: Docker doesn't support port ranges yet, that's why (RTP) ports has to be all specified one by one. Add ports to support more phone calls.
Set oml remote-ip in OsmoBTS config to point to OpenBSC IP address (the same as above) and make sure OsmoBTS IP is reachable. E.g.:
oml remote-ip 10.0.0.10
rtp bind-ip 0.0.0.0
Your personal GSM network is now ready!
Note: run either in faraday cage or with proper licenses.
docker ps --no-trunc # note full container ID
sudo lxc-attach -n FULL_CONTAINER_ID
telnet localhost 4242 # OpenBSC VTY
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