4.7.0 General

38.508-13GPP5GSPart 1: Common test environmentRelease 17TSUser Equipment (UE) conformance specification

4.7.0.1 Interpretation of IE presence and values

For Uplink NAS messages, the following terms and their meanings shall be used to determine how to test specific IEs:

– "Not present": test cases fail if IE is present.

– "Present but contents not checked": test cases fail if IE is not present. No requirements regarding contents of the IE.

– "If present: contents not checked": IE may or may not be present. No requirements regarding contents of the IE.

– "If present: <specific values>": IE may or may not be present. If present, its contents shall be as specified.

– "<specific values>": test cases fail if IE is not present. Its contents shall be as specified.

– "Present if <condition>: contents not checked: test cases fail if condition is fulfilled and IE is not present. Contents of IE are not checked, even if present.

– "Present if <condition>: <specific values>": test cases fail if condition is fulfilled and IE is not present. When IE shall be present, its contents shall be as specified.

4.7.0.2 Security protected 5GS NAS messages

In subclause 4.7.1, all 5GS NAS messages are described in the plain 5GS NAS message format.

When a 5GS NAS message is security protected, the message shall be contained by SECURITY PROTECTED 5GS NAS MESSAGE unless contained by another NAS message.

The default contents of SECURITY PROTECTED 5GS NAS MESSAGE message is defined in table 4.7.1-28.