name: STR
full_form: Session-Termination-Request
context: The STA command, defined in IETF RFC 6733 (DIAMETER BASE) [111], is indicated by the Command-Code field set to 275 and the âRâ bit cleared in the Command Flags field, is sent in response to an STR command. The relevant AVPs that are of use for the SGmb interface are detailed in the ABNF description below. Other valid AVPs for this command are not used for SGmb purposes and should be ignored by the receiver or processed according to the relevant specifications. Message Format: <ST-Answer> ::= < Diameter Header: 275, PXY > < Session-Id > { Result-Code } { Origin-Host } { Origin-Realm } * [ Class ] [ Error-Message ] [ Error-Reporting-Host ] [ Failed-AVP ] [ Origin-State-Id ] * [ Redirect-Host ] [ Redirect-Host-Usage ] [ Redirect-Max-Cache-Time ] * [ Proxy-Info ] [ Restart-Counter ]
description: The Session-Termination-Request (STR) is a Diameter message used in the context of interworking between Public Land Mobile Networks (PLMN) and Packet Data Networks (PDN). It is part of the session management process, specifically for terminating sessions. The STR command triggers a response in the form of a Session-Termination-Answer (STA) command, which includes relevant Attribute Value Pairs (AVPs) necessary for the SGmb interface.
explanation: STR is classified as a Message because it represents a specific signaling data exchange between network components, in this case, related to session termination. The context provided from 3GPP TS 29.061 highlights its role in interworking and session management, aligning with the definition of a message entity type.
section_title: 20.4.4 Session-Termination-Answer Command
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