4.25 UDM Trace Record Content

32.4233GPPRelease 16Subscriber and equipment traceTelecommunication managementTrace data definition and managementTS

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

The following table shows the trace record content for UDM.

The trace record is the same for management based activation and for signalling based activation.

UDM shall support at least one of the following trace depth levels – Maximum, Medium or Minimum.

Table 4.25.1 : UDM Trace Record Content

Interface (specific messages)	Format	Level of details			Description
Interface (specific messages)	Format	Min	Med	Max	Description
N8	Decoded	M	M	O	Message name
		O	O	O	Record extensions
		M	M	X	AMF ID of the connected AMF UDM ID of the traced UDM
		O	O	X	IE extracted from N8 messages between the traced UDM and AMF.
	Encoded*	X	X	M	Raw N8 Messages: messages between the traced UDM and AMF. The encoded content of the message is provided
N10	Decoded	M	M	O	Message name
		O	O	O	Record extensions
		M	M	X	SMF ID of the connected SMF UDM ID of the traced UDM
		O	O	X	IE extracted from N10 messages between the traced UDM and the SMF.
	Encoded*	X	X	M	Raw N10 messages between the traced UDM and the SMF. The encoded content of the message is provided
N13	Decoded	M	M	O	Message name
		O	O	O	Record extensions
		M	M	X	AUSF ID of the connected AUSF UDM ID of the traced UDM
		O	O	X	IE extracted from N13 messages between the traced UDM and the AUSF
	Encoded*	X	X	M	Raw N13 messages between the traced UDM and the AUSF. The encoded content of the message is provided
N21	Decoded	M	M	O	Message name
		O	O	O	Record extensions
		M	M	X	SMSF ID of the connected SMSF UDM ID of the traced UDM
		O	O	X	IE extracted from N21 messages between the traced UDM and SMSF
	Encoded*	X	X	M	Raw N21 messages between the traced UDM and SMSF. The encoded content of the message is provided
NU1	Decoded	M	M	O	Message name
		O	O	O	Record extensions
		M	M	X	HSS ID of the connected HSS UDM ID of the traced UDM
		O	O	X	IE extracted from NU1 messages between the traced UDM and the HSS
	Decoded	X	X	M	Raw NU1 messages between the traced UDM and the HSS. The encoded content of the message is provided

Encoded* – the messages are left encoded in the format it was received.