C.11 Definition of media feature tag g.3gpp.path

24.2373GPPIP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) service continuityRelease 17Stage 3TS

Media feature-tag name: g.3gpp.path

ASN.1 Identifier: 1.3.6.1.8.2.15

Summary of the media feature indicated by this tag:

This media feature tag when used in a Contact header field in SIP REGISTER request or SIP response to the SIP REGISTER request indicates capability of identifying the registration path and binding SRVCC related information to it.

Values appropriate for use with this feature-tag:

String with an equality relationship. The value is the URI for terminating requests, identifying the registration path, and follows the syntax described in table C.11-1 for g-3gpp-path-value.

Table C.11-1: ABNF syntax of string values of the g.3gpp.path media feature tag

g-3gpp-path-value = SIP-URI

The feature-tag is intended primarily for use in the following applications, protocols, services, or negotiation mechanisms: This feature-tag is used in MSC server to identify registration path so that SCC AS can provided the SRVCC related information related to the registration path.

Examples of typical use: Indicating capability of identifying a registration path and binding SRVCC related information to it.

Related standards or documents: 3GPP TS 24.237: "IP Multimedia Subsystem (IMS) Service Continuity; Stage 3"

Security Considerations: Security considerations for this media feature-tag are discussed in subclause 12.1 of IETF RFC 3840 [53].