overview: add graph to show E1 integration
Add a graph similar to "OsmoMGW used with OsmoMSC" that shows the
integration of a legacy E1 BTS into a AoIP network
Change-Id: I71dc2f4a188fbc25e81050be3dd4c83e1797e63d
diff --git a/doc/manuals/chapters/overview.adoc b/doc/manuals/chapters/overview.adoc
index 5179763..0b93617 100644
--- a/doc/manuals/chapters/overview.adoc
+++ b/doc/manuals/chapters/overview.adoc
@@ -52,6 +52,22 @@
}
----
+[[fig-bsc]]
+.Integration of legacy E1 BTS in AoIP network
+[graphviz]
+----
+digraph G {
+ rankdir = LR;
+ BTS -> OsmoBSC [label="Abis/E1"];
+ OsmoBSC -> "core-network" [label="3GPP AoIP"];
+ OsmoBSC -> OsmoMGW [label="MGCP"];
+ BTS -> OsmoMGW [label="TRAU/E1",dir=both];
+ OsmoMGW -> "core-network" [label="RTP",dir=both];
+ {rank=same OsmoBSC OsmoMGW}
+ OsmoMGW [color=red];
+}
+----
+
=== Software Components
OsmoMGW contains a variety of different software components, which we’ll