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Neels Hofmeyr 2017-09-04 02:34:20 +02:00
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About OpenBSC About OsmoMGW
============= =============
OpenBSC started as a minimalistic all-in-one implementation of the GSM Network, OsmoMGW originated from the OpenBSC project, which started as a minimalistic
with particular emphasis on the functionality typically provided by the BSC, all-in-one implementation of the GSM Network. In 2017, OpenBSC had reached
MSC, HLR, VLR and SMSC. Today it is a growing suite of libraries and programs, maturity and diversity (including M3UA SIGTRAN and 3G support in the form of
implementing protocol stacks and functional elements, including IuCS and IuPS interfaces) that naturally lead to a separation of the all-in-one
approach to fully independent separate programs as in typical GSM networks.
* OsmoBSC - a pure GSM BSC, speaking Abis/IP to the BTS and A/IP to the MSC OsmoMGW was one of the parts split off from the old openbsc.git. It originated
* OsmoBSC-MGCP - MGCP helper to the OsmoBSC software as a solution to merely navigate RTP streams through a NAT, but has since
* OsmoNITB - a BSC+MSC+VLR+HLR+SMSC "Network in the box". matured to a Media Gateway implementation that is capable of streaming RTP for
* OsmoMSC - a voice CN with A/IP and IuCS/IP towards the BSC and/or HNB-GW 2G (AoIP) and 3G (IuCS) GSM networks as well as (still not implemented at time
* OsmoSGSN - a GPRS SGSN with Gb/IP and IuPS/IP towards the PCU and/or HNB-GW of writing) transcoding between TRAU, various RTP payloads and IuUP.
* Osmo-GbProxy - a Proxy to aggregate many Gb links as one Gb link to the SGSN
* OsmoBSCNAT - a gateway aggregating many A links as one A link to the MSC
* OsmoGTPHUB - a hub aggregating many GTP links (between SGSN and GGSN)
* ipaccess-utils - some tools to discover + configure ip.access nanoBTS
* bs11_config - a tool to configure the Siemens BS-11 microBTS
Various interfaces towards the BTS are supported, among which are: The OsmoMGW program exposes an MGCP interface towards clients like OsmoMSC and
OsmoBSC, and receives and sends RTP streams as configured via MGCP.
* Classic A-bis over E1 using a mISDN based E1 interface. In other The libosmo-mgcp-client library exposes utilities used by e.g. OsmoMSC (found
words, you can connect existing GSM Base Transceiver Station (BTS) in osmo-msc.git) to instruct OsmoMGW via its MGCP service.
through E1 to OpenBSC. So far, we have made it work with the Siemens BS-11,
various Ericsson RBS2xxx BTS models and the Nokia MetroSite.
* A-bis over IP as used by the ip.access nanoBTS product family as well as The libosmo-mgcp library exposes MGCP server utilities used by e.g. OsmoBSC-NAT
the Open Source OsmoBTS software (by the same authors as OpenBSC). OsmoBTS (found in osmo-bsc.git) to navigate RTP streams through a NAT.
in turn supports various transceiver hardware, including the sysmoBTS (At time of writing, this is still called libosmo-legacy-mgcp.)
product family, as well as SDR transceivers supported by OsmoTRX, such as
the UmTRX or USRP boardss.
* IuCS and IuPS over IP towards an HNB-GW (see osmo-iuh) for UMTS (3G) Find OsmoMGW issue tracker and wiki online at
voice and data links. https://osmocom.org/projects/osmo-mgw
https://osmocom.org/projects/osmo-mgw/wiki
Find OpenBSC online at
http://openbsc.osmocom.org/
Harald Welte <laforge@gnumonks.org>