B.0 General

33.1793GPPRelease 13Security of Mission Critical Push To Talk (MCPTT) over LTETS

The information in this annex provides a normative description of the MCPTT Connect Authentication and Authorization framework based on the OpenID Connect 1.0 standard. Characterization of the id token, access token, how to obtain tokens, how to validate tokens, and how to use the refresh token is explained.

The OpenID Connect 1.0 standard provides the source of the information contained in this annex. MCPTT Connect profiles the OpenID Connect standard and includes the MCPTT ID in the id token and the access token, as well as the definition of MCPTT specific scopes for key management, MCPTT service, configuration management, and group management. This profile is completely standard compliant with OpenID Connect.