1 April 13, 2017 NH Initial version. Neels Hofmeyr nhofmeyr@sysmocom.de NH sysmocom sysmocom - s.f.m.c. GmbH Senior Developer Pau Espin Pedrol pespin@sysmocom.de PE sysmocom sysmocom - s.f.m.c. GmbH Software Developer 2017-2020 sysmocom - s.f.m.c. GmbH Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with the Invariant Sections being just 'Foreword', 'Acknowledgements' and 'Preface', with no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". The Asciidoc source code of this manual can be found at https://gitea.osmocom.org/cellular-infrastructure/osmo-gsm-manuals