diff --git a/doc/ran_emulation_aoip.dot b/doc/ran_emulation_aoip.dot
new file mode 100644
index 0000000..59f6d3d
--- /dev/null
+++ b/doc/ran_emulation_aoip.dot
@@ -0,0 +1,39 @@
+digraph G {
+	rankdir = LR;
+	label = "RAN_Emulation when used with AoIP as in MSC_Tests";
+
+	"RAN_ConnHdlr" [
+		shape = "record"
+		label = "<f0> RAN_ConnHdlr | <BSSAP> BSSAP | <BSSAP_PROC> BSSAP_PROC"
+	];
+
+	"RAN_Emulation_CT" [
+		shape = "record"
+		label = "<f0> RAN_Emulation_CT | <BSSAP> BSSAP | <RANAP> RANAP | <MGCP> MGCP | <CTRL> CTRL | <CTRL_CLIENT> CTRL_CLIENT | <CLIENT> CLIENT | <PROC> PROC"
+	];
+
+	"SCCP_CT" [
+		shape = "record"
+		label = "<f0> SCCP_CT | <MTP3_SCCP_PORT> MTP3_SCCP_PORT | <SCCP_SP_PORT> SCCP_SP_PORT"
+	];
+
+	"M3UA_CT" [
+
+		shape = "record"
+		label = "<f0> M3UA_CT | <STCP_PORT> SCTP_PORT | <MTP3_SP_PORT> MTP3_SP_PORT"
+	];
+
+	"system" [
+		shape = "record"
+		label = "<f0> system | <SCTP> SCTP"
+	];
+
+	"RAN_ConnHdlr":BSSAP -> "RAN_Emulation_CT":CLIENT
+	"RAN_ConnHdlr":BSSAP_PROC -> "RAN_Emulation_CT":PROC
+
+	"RAN_Emulation_CT":BSSAP -> "SCCP_CT":SCCP_SP_PORT
+	"RAN_Emulation_CT":RANAP -> "SCCP_CT":SCCP_SP_PORT
+
+	"SCCP_CT":MTP3_SCCP_PORT -> "M3UA_CT":MTP3_SP_PORT
+	"M3UA_CT":SCTP_PORT -> "system":SCTP
+}