These diagram types are fully implemented in all versions.	These diagram types are fully implemented in the registered versions only
SDL Package	SDL Procedure
SDL System, System type	SDL Process, Process type
SDL Block, Block type	SDL Service, Service Type (legacy SDL-92)
SDL Substructure (legacy SDL-92)	SDL Operator
HMSC	SDL Method
SDL Macro definition	MSC
MSC document	TTCN testcase, altstep, module, function
Hierarchy	SDL State, State type
UML2 Use Case	SDL State aggregation, State aggregation type
UML2 Object Model	UML2 Activity diagram
UML2 Class diagram	UML2 Sequence diagram
UML2 Composite Structure	UML2 State Model
UML2 Component diagram
UML2 Communication diagram
UML2 Collaboration diagram
UML2 Deployment diagram
UML2 Package diagram
UML2 Interaction Overview diagram
User Requirements Notation diagram

Feature Matrix

Feature	Unregistered	Basic	Pro
All SDL-2000 diagram types and symbols	Limited	Y	Y
All MSC-2000 diagram types and symbols	Limited	Y	Y
Legacy SDL-88 and SDL-92 diagram types	Limited	Y	Y
UML2 diagram types and symbols	Limited	Y	Y
All TTCN diagram types and symbols	Limited	Y	Y
URN diagram type and symbols	Y	Y	Y
Optional colour fill	Y	Y	Y
Extendability	Y	Y	Y
Global documents text and shape search	-	Y	Y
Diagram syntax check	Limited	Limited	Y
Diagram link checking	-	Y	Y
Process diagram state analysis	-	-	Y
Process diagram state/signal cross reference	-	-	Y
Export all pages as images	-	-	Y
SDL-CIF (Z.106) import from other SDL tools	-	-	Y
MSC-CIF import from other SDL tools	-	-	Y
Mscgen import	-	-	Y
SDL-PR and CIF (Z.106) export to other SDL tools (Package, System and Block diagrams)	-	-	Y
SDL 2006 standards updates	-	-	Y

Recent update history:

March 2011
- Added Call Action shape for Activity diagram
August 2010
- Improved class diagrams
- Improved startup
March 2010
- Improved Visio 2010 operation
- Improved Service Type shape
March 2009
- Improved diagram analysis for gates
- Improved Package Definition shape
December 2008
- Added UML Deployment, Package and Interaction Overview diagrams
- Improved Component shape
- Improved UML Note shape
- Improved Required and Provided Interface shapes
September 2008
- Added Exception shape for State and Activity diagrams
- Improved names of subshapes in Class and Object shapes
- Redesigned options dialogs
- Fixed possible problems with Visio 2007
August 2008
- Improved diagram analysis
- System, Block and Package diagram analysis now available in unregistered and Basic versions
- Added menu entry to clear any analysis errors
July 2008
- Improved Instance shape and connection points
- Improved diagram analysis error messages and fault handling
June 2008
- Fixed problem with exceptions with non-English language settings
- Improved folder selection/creation in dialogs
- Fixed problem in text search
May 2008
- Fixed problem with template frame resizing
- Fixed problem with MSC diagram insert space
- Improved creation of connection points on instances and frame
April 2008
- Added extra page header for MSC and Sequence diagrams
- Added insert/delete space for MSC and Sequence diagrams
March 2008
- Added diagonal text option to MSC message
- Corrected ability to add text to Choice shapes in UML Activity and State diagrams