Hi everyone.
What should I download off the repository to have SIM suport and make calls ? Do I need to do this or the latest branch would work as well?

git clone git://git.osmocom.org/osmocom-bb.git
cd osmocom-bb
git checkout -b testing remotes/origin/sylvain/testing

Sorry if the question seems stupid but my git_experience = 0.
Thanks,
Mihai.