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laforge, 05/11/2018 11:19 AM
source code


OsmoMGW, the Osmocom Media Gateway, is a Media Gateway for handling user plane (voice) traffic in cellular networks.

OsmoMGW supports the IETF MGCP (Media Gateway Control Protocol) for control from Call Agents, such as those present in OsmoBSC and OsmoMSC.

At the moment (October 2017), OsmoMGW only implements RTP proxy / RTP bridge type endpoints, to each of which two RTP connections can be established.

We are planning to add endpoint types for
  • classic E1/T1 timeslots (64kBps alaw/ulaw)
  • classic E1/T1 16k sub-slots with TRAU frames for classic BTS support
  • announcement/playout end-points
  • conference endpoints

OsmoMGW is the generalized version of an earlier much more special-purpsoe implementation called osmo-bsc_mgcp.

Situation in a typical Osmocom cellular network

Use by OsmoBSC

Use by OsmoMSC

It is Planned to use OsmoMGW also from OsmoMSC like this:

Binary Packages

Osmocom provides binary packages for several flavors of Debian and Ubuntu GNU/Linux on a variety of architectures (i586, x86_64, armhf, armv7l). Unless you are a software developer interested in developing on Osmocom, it is recommended you use those packages instead of building from source.

For more details see Binary_Packages

User Manuals

We are still working on a set of complete manuals

Source code

The source code is available from (module osmo-mgw).

Public read-only access is available via

git clone git://

You can browse it via cgit:

Contributions are welcome via Gerrit.

Test Suite

We have a TTCN-3 test suite as part of our Titan_TTCN3_Testsuites


Updated by laforge over 4 years ago · 11 revisions

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