The "3GPP-SIP-Auth-Data-Item" AVP

The "3GPP-SIP-Auth-Data-Item" Diameter AVP, which is of type Grouped, is defined by 3GPP (vendor ID 10415) and uses the AVP code "612".

It has the MANDATORY flag, the MAY-ENCRYPT flag.

It is part of the Multimedia-Authentication-Request, Multimedia-Authentication-Answer, Push-Profile-Request commands.

It is part of the 3GPP Cx application.

It is defined in the 3GPP Cx specification.

It is a grouped AVP, which can hold the following nested AVPs:

AVP code	AVP name	AVP type	AVP requirement
378	SIP-Item-Number	Unsigned32
608	3GPP-SIP-Authentication-Scheme	UTF8String
609	3GPP-SIP-Authenticate	OctetString
610	3GPP-SIP-Authorization	OctetString
611	SIP-Authentication-Context	OctetString
625	Confidentiality-Key	OctetString
626	Integrity-Key	OctetString
635	SIP-Digest-Authenticate	Grouped
8	Framed-IP-Address	IPAddress
97	Framed-IPv6-Prefix	OctetString
96	Framed-Interface-Id	Unsigned64
500	Line-Identifier	OctetString
300	Authentication-Method	Enumerated
301	Authentication-Information-SIM	OctetString
302	Authorization-Information-SIM	OctetString
613	3GPP-SIP-Item-Number	Unsigned32	Optional (up to 1)
377	SIP-Authentication-Scheme	Enumerated	Optional (up to 1)
379	SIP-Authenticate	Grouped	Optional (up to 1)
380	SIP-Authorization	Grouped	Optional (up to 1)

Its AVP-header format definition is the following:

< 3GPP-SIP-Auth-Data-Item > ::= < AVP-Header: 612, 10415 > 
* [ SIP-Item-Number ]
* [ 3GPP-SIP-Authentication-Scheme ]
* [ 3GPP-SIP-Authenticate ]
* [ 3GPP-SIP-Authorization ]
* [ SIP-Authentication-Context ]
* [ Confidentiality-Key ]
* [ Integrity-Key ]
* [ SIP-Digest-Authenticate ]
* [ Framed-IP-Address ]
* [ Framed-IPv6-Prefix ]
* [ Framed-Interface-Id ]
* [ Line-Identifier ]
* [ Authentication-Method ]
* [ Authentication-Information-SIM ]
* [ Authorization-Information-SIM ]
[ 3GPP-SIP-Item-Number ]
[ SIP-Authentication-Scheme ]
[ SIP-Authenticate ]
[ SIP-Authorization ]

Update source	Insertion date
Wireshark	2026-04-26 07:13