An Introduction to Sms, Ems and Mms

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An Introduction to SMS, EMS and MMS

“Next Messaging: An Introduction to SMS, EMS and MMS” is divided into the following sections:

Part 1 – Short Message Service (SMS)
1. 2. 3. 4. 5. 6. 7. Messaging Orientation Evolution from text to Multimedia SMS Introduction SMS Advantages SMS Disadvantages SMS Market Growth SMS Summary

3 4 5 5 6 8 8

Part 2 – Enhanced Messaging Service (EMS)
1. 2. 3. 4. 5. 6. 7. EMS Introduction EMS Media EMS Background EMS Handsets EMS Technical Background EMS Associated Technologies EMS Summary

9 9 10 10 11 12 13

Part 3 – Multimedia Messaging (MMS)
1. 2. 3. 4. 5. 6. MMS Introduction Comparison between SMS and MMS MMS Technology MMS Architecture Elements MMS Timescales Summary

14 16 18 20 22 2322

Copyright © Mobile Streams Ltd

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Mobile messaging is evolving beyond text by taking a development path from SMS (Short Message Service) to EMS (Enhanced Messaging Service) to MMS (Multimedia Messaging Service). Mobile Streams already publishes its renowned 320 page SMS report called “Success 4 SMS” and its new report “Next Messaging: From SMS to EMS to MMS” of which this white paper i a summary. This white paper has a related Internet s site at plus sub-sites at, and to keep readers up-to-date with the very latest developments. The Short Message Service (SMS) is the ability to send and receive text messages to and from mobile telephones. The text can comprise of words or numbers or an alphanumeric combination. SMS was created when it was incorporated into the Global System for Mobiles (GSM) digital mobile phone standard. The first short message was sent in December 1992 from a Personal Computer (PC) to a mobile phone on the Vodafone GSM network in the UK. The Enhanced Messaging Service (EMS) is the ability to send a combination of simple melodies, pictures, sounds, animations, modified text and standard text as an integrated message for display on an EMS compliant handset. There are many different potential combinations of these media. For example, when an exclamation mark appears in the enhanced message, a melody could be played. A simple black and white image could be displayed along with some text and this sound effect. EMS is an enhancement to SMS but is very similar to SMS in terms of using the store and forward SMS Centers, the signaling channel and the like to realize EMS. The first EMS compliant handsets are due by mid-2001, whilst no new network infrastructure is needed to handle EMS. The Multimedia Messaging Service (MMS) is as its name suggests the ability to send and receive messages comprising a combination of text, sounds, images and video to MMS capable handsets. The Multimedia Messaging Service (MMS) confers the ability to send still images such as mobile postcards, mobile pictures, mobile screensavers, mobile greeting cards, mobile maps and business cards. Additionally, moving images, cartoons and interactive video will also be supported by Multimedia Messaging (MMS). New mobile network infrastructure is needed for Multimedia Messaging (MMS)- in addition to implementing the new bearer services such as 3G, new network elements

Copyright © Mobile Streams Ltd

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such as Multimedia Messaging Relays and Stores will be needed. The first trials of Multimedia Messaging (MMS) infrastructure will take place in mid 2001 and the first MMS terminals are expected to be announced in early 2002 and shipped for Christmas 2002. MMS uses WAP (Wireless Application Protocol, see and MExE (Mobile Station Application Execution Environment, see as protocols to enable a smooth migration path for messaging applications as mobile networks and handsets improve.

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