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= Osmocom Erlang SCCP implementation =
This is a currently still incomplete Erlang SCCP implementation which
is part of the overall Osmocom project (http://osmocom.org/)
The aim is to fully implement SCCP for connectionless and connection-
oriented services, including global title translation. It should be
possible to use this as both STP or SCP, or even as an ITP/SGW.
== Configuration ==
The SCCP stack is configured via the regular OTP application configuration
=== Signalling linksets and links ===
The MTP functionality can be provided by either M3UA or a classic MTP3 (over
M2UA or real MTP2).
A linkset is a group of links, all connected to the same destination (point
Each signalling linkset has to be configured in the config file, providing
the following parameters:
* linkset name
* local point code
* remote point code
Each signalling link has to be configured in the config file, providing the
* linkset name
* IP address and port information (for M3UA)
The sccp_links module keeps track of signalling linksets and links by means of
ets tables. It maintains a record of the Erlang process pid responsible for
each respective link.
== Architecture ==
osmo_sccp_app starts osmo_sccp_sup, which in turn starts the individual signalling
links through the respective signalling link provider modules.
It also starts sccp_scrc (the SCCP routing)
One sccp_scoc instance will be started for each SCCP connection.
== Implementing a SCCP-user ==
== Implementing a MTP provider for SCCP ==
This section outlines how to write a MTP transport for the SCCP stack.