Question: In 3GPP conformance testing for User Equipment (UE), how is the IPv4 PDP address handled in Session Set-up procedures for UEs implemented according to Rel-8 and later versions of the specification?
Option 1: The UE includes a static IPv4 PDP address in the session set-up request.
Option 2: The Serving System (SS) allocates a dynamic IPv4 PDP address, which is not included in any message during the session set-up.
Option 3: The SS handles the allocation of the IPv4 PDP address and includes it in the ACTIVATE PDP CONTEXT ACCEPT message.
Option 4: The UE and SS negotiate the IPv4 PDP address through additional signaling messages not specified in the standard.
Explanation: According to the specifications for UEs implemented after Rel-7 (i.e., Rel-8 and later), the Serving System (SS) is responsible for dynamically allocating the IPv4 PDP address. This allocated address is then communicated to the UE through the ACTIVATE PDP CONTEXT ACCEPT message, ensuring seamless session setup without requiring static addressing from the UE's end.