The "Origin-Realm" AVP

The "Origin-Realm" Diameter AVP, which is of type DiameterIdentity, uses the AVP code "296".

It has the MANDATORY flag.

It is part of the AA-Request, AA-Answer, Re-Auth-Request, Re-Auth-Answer, Session-Termination-Request, Session-Termination-Answer, Abort-Session-Request, Abort-Session-Answer, Accounting-Request, Accounting-Answer, Credit-Control-Request, Credit-Control-Answer, QoS-Authorization-Request, QoS-Authorization-Answer, QoS-Install-Request, QoS-Install-Answer, NAT-Control-Request, NAT-Control-Answer, IKEv2-SK-Request, IKEv2-SK-Answer, User-Authorization-Request, User-Authorization-Answer, Server-Assignment-Request, Server-Assignment-Answer, Location-Info-Request, Multimedia-Auth-Request, Multimedia-Auth-Answer, Registration-Termination-Request, Registration-Termination-Answer, Push-Profile-Request, Push-Profile-Answer, Capabilities-Exchange-Request, Capabilities-Exchange-Answer, Disconnect-Peer-Request, Disconnect-Peer-Answer, Device-Watchdog-Request, Device-Watchdog-Answer, Capabilities-Update-Request, Capabilities-Update-Answer, Diameter-EAP-Request, Diameter-EAP-Answer, MIP6-Request, MIP6-Answer, AA-Mobile-Node-Request, AA-Mobile-Node-Answer, Home-Agent-MIP-Request, Home-Agent-MIP-Answer, Send-Routing-Info-for-SM-Request, Send-Routing-info-for-SM-Answer, Alert-Service-Centre-Request, Alert-Service-Centre-Answer, Report-SM-Delivery-Status-Request, Report-SM-Delivery-Status-Answer, MO-Forward-Short-Message-Request, MO-Forward-Short-Message-Answer, MT-Forward-Short-Message-Request, MT-Forward-Short-Message-Answer, 3GPP-Subscriber-Information-Request, 3GPP-Subscriber-Information-Answer, Configuration-Information-Request, Configuration-Information-Answer, Reporting-Information-Request, NIDD-Information-Request, NIDD-Information-Answer, Trigger-Establishment-Request, Trigger-Establishment-Answer, 3GPP-Device-Trigger-Request, 3GPP-Device-Trigger-Answer, 3GPP-Delivery-Report-Request, 3GPP-Delivery-Report-Answer, NS-Request, NS-Answer, NC-Request, NC-Answer, Non-Aggregated-RUCI-Report-Request, Non-Aggregated-RUCI-Report-Answer, Aggregated-RUCI-Report-Request, Aggregated-RUCI-Report-Answer, Modify-Uecontext‑Request, Modify-Uecontext‑Answer, Data-Pull-Request, Data-Update-Request, Data-Update-Answer, Notification-Data-Request, Notification-Data-Answer, Multimedia-Authentication-Request, Multimedia-Authentication-Answer, Bootstrapping-Info-Request, Boostrapping-Info-Answer, 3GPP-Device-Action-Request, 3GPP-Device-Action-Answer, 3GPP-Device-Notification-Request, 3GPP-Device-Notification-Answer, Push-Profile-Request, Push-Profile-Answer, Server-Assignment-Request, Server-Assignment-Answer, Registration-Termination-Request, Registration-Termination-Answer, User-Data-Request, User-Data-Answer, Profile-Update-Request, Profile-Update-Answer, Subscribe-Notifications-Request, Subscribe-Notifications-Answer, Push-Notification-Request, Push-Notification-Answer, Event-Notification-Request, ProSe-Authorization-Request, ProSe-Authorization-Answer, Spending-Limit-Request, Spending-Limit-Answer, Spending-Status-Notification-Request, Spending-Status-Notification-Answer, Message-Process-Request, GCS-Action-Request, GCS-Action-Answer, GCS-Notification-Request, GCS-Notification-Answer, ProSe-Subscriber-Information-Request, ProSe-Subscriber-Information-Answer, Update-ProSe-Subscriber-Data-Request, Update-ProSe-Subscriber-Data-Answer, ProSe-Notify-Request, ProSe-Notify-Answer, 3GPP-Reset-Request, 3GPP-Reset-Answer, ProSe-Discovery-Request, ProSe-Discovery-Answer, ProSe-Match-Request, ProSe-Match-Answer, ProSe-Match-Report-Info-Request, ProSe-Match-Report-Info-Answer, ProSe-Proximity-Request, ProSe-Proximity-Answer, ProSe-Location-Update-Request, ProSe-Location-Update-Answer, ProSe-Alert-Request, ProSe-Alert-Answer, ProSe-Cancellation-Request, ProSe-Cancellation-Answer, 3GPP-Provide-Location-Request, 3GPP-Provide-Location-Answer, 3GPP-Location-Report-Request, 3GPP-Location-Report-Answer, 3GPP-Update-Location-Request, 3GPP-Update-Location-Answer, 3GPP-Authentication-Information-Request, 3GPP-Authentication-Information-Answer, 3GPP-Cancel-Location-Request, 3GPP-Cancel-Location-Answer, 3GPP-Insert-Subscriber-Data-Request, 3GPP-Insert-Subscriber-Data-Answer, 3GPP-Delete-Subscriber-Data-Request, 3GPP-Delete-Subscriber-Data-Answer, 3GPP-Purge-UE-Request, 3GPP-Purge-UE-Answer, 3GPP-Notify-Request, 3GPP-Notify-Answer, 3GPP-ME-Identity-Check-Request, 3GPP-ME-Identity-Check-Answer, 3GPP-Update-VCSG-Location-Request, 3GPP-Update-VCSG-Location-Answer, Cancel-VCSG-Location-Request, Cancel-VCSG-Location-Answer, Reporting-Information-Request, Connection-Management-Request, Connection-Management-Answer, MO-Data-Request, MO-Data-Answer, MT-Data-Request, MT-Data-Answer, 3GPP-LCS-Routing-Info-Request, 3GPP-LCS-Routing-Info-Answer, BT-Request, BT-Answer, EC-Request, EC-Answer, ER-Request, ER-Answer, TDF-Session-Request, TDF-Session-Answer, TN-Request, TN-Answer, ProSe-Initial-Location-Information-Request, ProSe-Initial-Location-Information-Answer, User-Authorization-Request, User-Authorization-Answer, Location-Info-Request, Location-Info-Answer, PX-Request, PX-Answer, XA-Request, XA-Answer, Location-Info-Answer commands.

It is part of the MIP-Originating-Foreign-AAA grouped AVP.