The "Additional-Serving-Node" AVP
The "Additional-Serving-Node" Diameter AVP, which is of type Grouped, is defined by 3GPP (vendor ID 10415) and uses the AVP code "2406".
It has the MANDATORY flag.
It is part of the Send-Routing-info-for-SM-Answer, Report-SM-Delivery-Status-Request, Report-SM-Delivery-Status-Answer, 3GPP-Device-Trigger-Request, 3GPP-LCS-Routing-Info-Answer commands.
It is part of the T4-Data grouped AVP.
It is a grouped AVP, which can hold the following nested AVPs:
| AVP code | AVP name | AVP type | AVP requirement |
|---|---|---|---|
| 1489 | SGSN-Number | OctetString | |
| 2402 | MME-Name | DiameterIdentity | |
| 2409 | SGSN-Name | DiameterIdentity | |
| 2410 | SGSN-Realm | DiameterIdentity | |
| 2408 | MME-Realm | DiameterIdentity | |
| 2403 | MSC-Number | OctetString | |
| 318 | 3GPP-AAA-Server-Name | DiameterIdentity | |
| 2404 | LCS-Capabilities-Sets | Unsigned32 | |
| 2405 | GMLC-Address | IPAddress | |
| 1645 | MME-Number-for-MT-SMS | OctetString | Optional (up to 1) |
| 3340 | SMSF-3GPP-Name | DiameterIdentity | Optional (up to 1) |
| 3342 | SMSF-3GPP-Realm | DiameterIdentity | Optional (up to 1) |
| 3338 | SMSF-3GPP-Number | OctetString | Optional (up to 1) |
| 3341 | SMSF-Non-3GPP-Name | DiameterIdentity | Optional (up to 1) |
| 3343 | SMSF-Non-3GPP-Realm | DiameterIdentity | Optional (up to 1) |
| 3339 | SMSF-Non-3GPP-Number | OctetString | Optional (up to 1) |
< Additional-Serving-Node > ::= < AVP-Header: 2406, 10415 > * [ SGSN-Number ] * [ MME-Name ] * [ SGSN-Name ] * [ SGSN-Realm ] * [ MME-Realm ] * [ MSC-Number ] * [ 3GPP-AAA-Server-Name ] * [ LCS-Capabilities-Sets ] * [ GMLC-Address ] [ MME-Number-for-MT-SMS ] [ SMSF-3GPP-Name ] [ SMSF-3GPP-Realm ] [ SMSF-3GPP-Number ] [ SMSF-Non-3GPP-Name ] [ SMSF-Non-3GPP-Realm ] [ SMSF-Non-3GPP-Number ]
| Update source | Insertion date |
|---|---|
| Wireshark | 2026-04-26 07:13 |