2.4 KiB


OsmoBSCNAT masquerades multiple BSCs behind one. It is part of the Osmocom Open Source Mobile Communications project.


The official homepage of the project is https://osmocom.org/projects/osmo-bscnat/wiki

GIT Repository

You can clone from the official osmo-bsc-nat.git repository using

git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-bsc-nat

There is a gitea web interface for browsing at https://gitea.osmocom.org/cellular-infrastructure/osmo-bsc-nat


User Manuals and VTY reference manuals are optionally built in PDF form as part of the build process.

Pre-rendered PDF version of the current "master" can be found at User Manual as well as the VTY Reference Manual

Mailing List

Discussions related to osmo-bsc-nat are happening on the openbsc@lists.osmocom.org mailing list, please see https://lists.osmocom.org/mailman/listinfo/openbsc for subscription options and the list archive.

Please observe the Osmocom Mailing List Rules when posting.

Manual Testing With osmo-dev

With osmo-dev it is possible to build all Osmocom components for a full test network with OsmoBSCNAT, and run the network on your PC. Set up the make directory as described in osmo-dev's README, then build components with:

$ make cn-bsc-nat

Set up a network as described in osmo-dev's net/README, then put the following in your configuration to let it run osmo-bsc-nat with one virtual BSC, BTS and MS (can be used next to a real BSC/BTS/MS):



Our coding standards are described at https://osmocom.org/projects/cellular-infrastructure/wiki/Coding_standards

We us a gerrit based patch submission/review process for managing contributions. Please see https://osmocom.org/projects/cellular-infrastructure/wiki/Gerrit for more details

The current patch queue for osmo-bsc-nat can be seen at https://gerrit.osmocom.org/#/q/project:osmo-bsc-nat+status:open