Cloning this repository:

git clone git://gitorious.org/~vinchi777/gammu/vinchi777s-gsm-docs.git vinchi777s-gsm-docs
cd vinchi777s-gsm-docs

Add this repository as a remote to an existing local repository:

git remote add vinchi777s-gsm-docs git://gitorious.org/~vinchi777/gammu/vinchi777s-gsm-docs.git
git fetch vinchi777s-gsm-docs
git checkout -b my-local-tracking-branch vinchi777s-gsm-docs/master_or_other_branch