C.6 Generic Secondary PDP Context test procedure – UMTS

34.229-13GPPInternet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP)Part 1: Protocol conformance specificationRelease 16TSUser Equipment (UE) conformance specification

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

The generic test procedure may occur during establishment of a session. Applicable for a UE with UTRA support (TS 34.229-2 A.18/2) only.

1 The UE sends an Activate Secondary PDP Context Request message.

2 The SS responds with an Activate Secondary PDP Context Accept message.

Expected sequence

Step	Direction		Message	Comment
	UE	SS
1	🡪		Activate Secondary PDP Context Request	The UE sends a request for an additional PDP context.
2	🡨		Activate Secondary PDP Context Accept	The SS responds with TI flag set to ‘1’ and the TI value set to same as in step 1 in the linked TI information element.