Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Multimedia priority service (V14.4.0; 3GPP TS 22.153 version 14.4.0 Release 14)
The present document specifies the service requirements for Multimedia Priority Service (MPS). The scope of this document is to specify those requirements of MPS necessary to provide an end-to-end service and to interwork with external networks where needed. Service interactions with external networks are considered within the scope of this document although these interactions may be specified in other standards