Check SOA Suite version
There are two places to determine the version of the SOA Suite you are running:
- The SOA Suite welcome screen
- Oracle patch utility
SOA Suite welcome screen

SOA Suite version
This is the page that is displayed when you navigate to:
http://your-SOA-Suite-host:its-port/It contains a part that looks like this image:
Oracle patch utility
For a more detailed look we turn to the Oracle patch utility OPatch. The OPatch utility is located in the directory. It is run with options and command-line arguments. A User’s guide can be found here.
The lsinventory command reports what has been installed on the system for a particular Oracle home directory, or for all installations. A result for using this command is shown in the screenshot:

opatch lsinventory
One can use this info in combination with metalink.
Overview of SOA Suite versions
An overview of all release downloads can be found on OTN.