1 December 2015 NJH, HW Initial version, reflecting OsmoBTS master branch as on 2015-Dec-7 (commit e28a20a2d9d049cd6312e218a7646593bbc43431). 2 February 2016 HW Updated version with Message Sequence Chart of OML and RSL bring-up. 2.1 February 2016 HW Fix A-bis OML/RSL port number swap in message seqeuence charts. 2.2 July 2016 NJH, HW Add description on Dynamic Channel Configuration in OML and activation in RSL. Neels Hofmeyr nhofmeyr@sysmocom.de NJH sysmocom sysmocom - s.f.m.c. GmbH Senior Software Developer Harald Welte hwelte@sysmocom.de HW sysmocom sysmocom - s.f.m.c. GmbH Managing Director 2015-2016 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 no Invariant Sections, 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 http://git.osmocom.org/osmo-gsm-manuals/