Enhanced Messaging Service

Enhanced Messaging Service

Abbreviated as EMS, an application-level extension to Short Message Service (SMS) for cellular phones available on GSM, TDMA and CDMA networks.

An EMS enabled mobile phone can send and receive messages that have special text formatting (such as bold or italic), animations, pictures, icons, sound effects and special ring tones.

EMS messages that are sent to devices that do not support it will be displayed as SMS messages, though they may be unreadable due to the presence of additional data that cannot be rendered by the device. EMS messages cannot typically be sent between subscribers of different mobile phone carriers, as they will frequently be dropped by the inter-carrier network or by the receiving carrier.

EMS, also referred to as Enhanced Messaging Service, is a cross-industry collaboration between Samsung, Ericsson, Motorola, Siemens and Alcatel, among others.

EMS is an intermediate technology, between SMS and MMS, providing some of the features of MMS. EMS is a technology that is designed to work with existing networks, but may ultimately be made obsolete by MMS.

EMS is defined in 3GPP Technical Specification [http://www.3gpp.org/ftp/Specs/html-info/23040.htm 23.040] , "Technical realization of Short Message Service (SMS)".

EMS never realy picked up due to interoperability limitations and in fact very few operators ever introduced it.

Born again: In June 9th 2008, the CTIA organization officially released [http://www.ctia.org/media/press/body.cfm/prid/1759] an RFI for Enhanced Messaging implementation with focus on Group Messaging. The EM term in this context loosly refers to an improved Mobile Messaging product that combines the simplicity of Text Messaging with the successful rich features of the Internet's Instant Messaging.Other references to this new service have been made as "SMS 2" or "Instant SMS"

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