This document specifies the identity management and authentication protocols needed to support Mission Critical
Services (MCSs). Identity management applies only to on-network operation.
MCSs are services that require preferential handling compared to normal telecommunication services, e.g. in support of
police or fire brigade.
MCSs can be used for public safety applications and also for general commercial applications (e.g., utility companies
This document is applicable to User Equipment (UE) supporting the identity management client functionality, and to
application servers supporting the identity management server functionality.