D.3 Definition of feature-capability indicator g.3gpp.mcptt.ambient-listening-call-release

24.3793GPPMission Critical Push To Talk (MCPTT) call controlProtocol specificationRelease 18TS

Feature-capability indicator name: g.3gpp.mcptt.ambient-listening-call-release

Summary of the feature indicated by this feature-capability indicator:

This feature-capability indicator when included in a Feature-Caps header field as specified in IETF RFC 6809 [60] in a SIP INVITE request or a SIP 200 (OK) response to a SIP INVITE request indicates that the MCPTT server is capable of receiving a SIP BYE from an MCPTT client to release an ambient-listening call.

Feature-capability indicator specification reference:

3GPP TS 24.379, http://www.3gpp.org/ftp/Specs/archive/24_series/24.379/

Values appropriate for use with this feature-capability indicator: None

Examples of typical use: Indicating that the MCPTT server can support receiving a SIP BYE from an MCPTT client to release an ambient listening call.

Security Considerations: Security considerations for this feature-capability indicator are discussed in clause 9 of IETF RFC 6809 [60].

Annex E (normative):
ICSI values defined within the current document