Osmocom Media Gateway (RTP proxy and RTP/E1 gateway) https://osmocom.org/projects/osmo-mgw
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Pau Espin bcd52e5724 mgcp: Fix osmux_cid_bitmap static array size calculation
Right now it's not a big issue since OSMUX_CID_MAX is 255, so 255+1 is
256 which fits array boundaries correctly (multiple of 8). However, if
for example OSMUX_CID_MAX was modified to be 12, 12+1/8 = 1, so we'd
have an undesired memory access when accessing last 4 CIDs.

A +1 should be kept on top, because OSMUX_CID_MAX specified the maximum
number used by a CID, that is (0,OSMUX_CID_MAX), and as a result we
require OSMUX_CID_MAX+1 slots.

Change-Id: Iaf9b93712dbd2a862b01e70dd8e11893bfa6b24c
2018-09-17 13:36:36 +02:00
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include comment: indicate struct type for mgcp_endpoint.conns 2018-09-07 04:14:51 +02:00
m4 move openbsc/* to repos root 2017-08-27 17:44:55 +02:00
src mgcp: Fix osmux_cid_bitmap static array size calculation 2018-09-17 13:36:36 +02:00
tests cosmetic: mgcp_test: fix get_conn_id_from_response() 2018-09-07 04:14:51 +02:00
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README

About OsmoMGW
=============

OsmoMGW originated from the OpenBSC project, which started as a minimalistic
all-in-one implementation of the GSM Network. In 2017, OpenBSC had reached
maturity and diversity (including M3UA SIGTRAN and 3G support in the form of
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.

OsmoMGW was one of the parts split off from the old openbsc.git. It originated
as a solution to merely navigate RTP streams through a NAT, but has since
matured to a Media Gateway implementation that is capable of streaming RTP for
2G (AoIP) and 3G (IuCS) GSM networks as well as (still not implemented at time
of writing) transcoding between TRAU, various RTP payloads and IuUP.

The OsmoMGW program exposes an MGCP interface towards clients like OsmoMSC and
OsmoBSC, and receives and sends RTP streams as configured via MGCP.

The libosmo-mgcp-client library exposes utilities used by e.g. OsmoMSC (found
in osmo-msc.git) to instruct OsmoMGW via its MGCP service.

Find OsmoMGW issue tracker and wiki online at
https://osmocom.org/projects/osmo-mgw
https://osmocom.org/projects/osmo-mgw/wiki