OpenBSC is the current name for a software program that started with the name bs11-abis.
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What is OpenBSC
It is a BSC (Base Station Controller) side implementation of the A-bis protocol, as implemented in the GSM Technical Specification 08.5x and 12.21. It implements a minimal subset of the BSC, MSC and HLR. It does not implement ant of the interfaces (like the A and B interfaces) between the higher-order GSM network components.
The goal of the project is to
provide a basis for experimentation and security research with GSM from the network side
document, publicized and point out any security related issues that we find as part of that
learn more about GSM networks on a lower level, particularly the practical aspects with real-world equipment
We are not primarily interested in
building a stable/reliable BSC/MSC for deployment in networks requiring high-9 (99.999….) availability
building something that follows the GSM spec to the last detail
Phi Beta Iota: We have learned that the OpenBTS pioneers are working with and admire OpenBSC–the latter has different goals and the architecture is traditional.
