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An enterprise messaging system (EMS) or messaging system in brief [1] is a set of published enterprise-wide standards that allows organizations to send semantically precise messages between computer systems. EMS systems promote loosely coupled architectures that allow changes in the formats of messages to have minimum impact on message subscribers.
Southbound, the EMS talks to the devices. An element management system manages one or more of a specific type of telecommunications network element. Typically, the EMS manages the functions and capabilities within each NE but does not manage the traffic between different NEs in the network.
The computer technology is also referred to as SCADA/EMS or EMS/SCADA. In these respects, the terminology EMS then excludes the monitoring and control functions, but more specifically refers to the collective suite of power network applications and to the generation control and scheduling applications.
EMS was a technology designed to work with existing networks, but was ultimately made obsolete by MMS. An EMS-enabled mobile phone could send and receive messages that had special text formatting (such as bold or italic), animations, pictures, icons, sound effects and special ringtones .
The protocols are codified in a series of ETSI Technical Specifications. Many services can be created using CAMEL, and it is particularly effective in allowing these services to be offered when a subscriber is roaming , like, for instance, No-prefix dialing (the number the user dials is the same no matter the country where the call is placed ...
A distinction is made between a Signaling Transfer Point (STP) which only performs MTP message routing functionalities and a Signaling End Point (SEP) which uses MTP to communicate with other SEPs (that is, telecom switches). MTP3 is also responsible for network management; when the availability of MTP2 data links changes.
The results of an EMS-based meeting exist as content in a database. The content can be exported to a file, delivered to an externally integrated system of record, or simply printed. Formatting and available file formats differ substantially between EMS, with commonly available options including HTML, Markdown, and office document formats.
The diagram shows the process of first developing an environmental policy, planning the EMS, and then implementing it. The process also includes checking the system and acting on it. The model is continuous because an EMS is a process of continual improvement in which an organization is constantly reviewing and revising the system. [8]