diff --git a/docs/BetaTestPlan.md b/docs/BetaTestPlan.md
index 0db6acc..4245305 100644
--- a/docs/BetaTestPlan.md
+++ b/docs/BetaTestPlan.md
@@ -1,12 +1,38 @@
 # Beta Test Plan
 
-## Selection of Core Functionalities
+## Core Functionalities
 
-## Definition of Beta Testing Scenarios
+### Icing lib
+- Key generation
+- (De)crypt audio
 
-## Coverage of Key User Journeys
+### Icing dialer (based on Icing lib)
+- Call
+    - Encrypted if public key available
+    - Call history
 
-## Clear Evaluation Criteria
+- Contacts
+    - Contact creation / editing
+    - Contact sharing via QR code / VCF
+    - Contact search
+    - Favorite contacts
+    - Storage of user private / public keys in contact sheet
+    - Blocked number
+    - Contact preview (picture, number, public key...)
 
-## Deliverables & Format
+- Visual voicemail
+    - Play / Pause
+    - Notification
+    - Quick link to call, text, block, share number...
+
+- SIM settings
+    - Default SIM
+
+- SMS?
+
+## Beta Testing Scenarios
+
+## User Journeys
+
+## Evaluation Criteria