From 22dcb7a4473c0272e673789beb21063246c6406f Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@osmocom.org>
Date: Thu, 16 Mar 2023 09:27:20 +0100
Subject: [PATCH] commit various ladder diagrams that I had in my local tree

---
 mo_call_isdn.lad    | 18 ++++++++++++++++++
 sim_cat_session.lad | 17 +++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 mo_call_isdn.lad
 create mode 100644 sim_cat_session.lad

diff --git a/mo_call_isdn.lad b/mo_call_isdn.lad
new file mode 100644
index 0000000..dff86e0
--- /dev/null
+++ b/mo_call_isdn.lad
@@ -0,0 +1,18 @@
+[global]
+title	"Mobile Originated (MO) call in ISDN"
+
+[entities]
+ms	"MS"
+msc	"MSC"
+b	"B"
+
+[messages]
+ms	msc	"CC SETUP[MSISDN]"
+msc	b	"ISUP IAM[MSISDN]"
+b	msc	"ISUP ACM"
+msc	ms	"CC ALERTING"
+b	msc	"ISUP ANM"
+msc	ms	"CC CALL CONFIRMED"
+ms	b	"Open Voice Channel" both dashed
+ms	msc	"CC DISCONNECT"
+msc	b	"ISUP REL"
diff --git a/sim_cat_session.lad b/sim_cat_session.lad
new file mode 100644
index 0000000..36ea5ba
--- /dev/null
+++ b/sim_cat_session.lad
@@ -0,0 +1,17 @@
+[global]
+title	"SIM Card Applet Toolkit (CAT) Session"
+
+[entities]
+uicc	"UICC"
+ue	"UE"
+
+[messages]
+ue	uicc	"Card Activation"
+uicc	ue	"ATR"
+ue	uicc	"TERMINAL PROFILE"
+uicc	ue	"SET UP MENU"
+uicc	ue	"SET UP EVENT LIST"
+ue	uicc	"Regular SIM/USIM related activity like READ(EF.IMSI) etc." both
+ue	uicc	"ENVELOPE (TIMER EXPIRATION)"
+ue	uicc	"ENVELOPE (EVENT DOWNLOAD - Location Status)"
+ue	uicc	"Card Activation"