Group name :TECHNICAL MOTIVATION

Members:

Merris mary chacko

Sneha baby thomas

Ancy mariam babu

Meena jose

Short message service (SMS) is a globally accepted wireless service.

SMS appeared on the wireless scene in 1991 in Europe.

The European standard for digital wireless, now known as the Global System for Mobile Communications (GSM), included short messaging services from the outset

SMS Length

SMS is a point-to-point store and forward technology with 2 basic services:

Short Message Mobile Terminated (SM-MT)

Short Message Mobile Originated (SM-MO)

SMS allows message delivery to handsets either active/in-use or powered off

SMS-Submit,SMS-Deliver

SMS protocol permits request of message delivery confirmation report

SMS messages are transported in the core network using SS7

(Signaling System 7)

Message Flow SM-MT

Message

Transfer sendRoutingInfo-

Delivery

ForShortMsg

forwardShortMessage

sendInfoFor-

MT-SMS

Message Transfer Deliver Report

SM-Delivery

ReportStatus

Report

SMSC GMSC HLR MSC VLR

Page

Authenticate

MS

Message Flow SM-MO

Message

Transfer

Delivery

forwardShortMessage

sendInfoFor-

MO-SMS

Message Transfer

Delivery Report Delivery

Report

Report

SMSC SMS-IWMSC

HLR MSC VLR

Access Request

Authenticate

MS

Validity Period

Service Centre Time Stamp

Protocol Identifier

More Messages to Send

Priority

Message Waiting

Alert Service Centre

The SMS system consists of the following components:

1. Intelligent SMS Enterprise Server / Communication Server

2. Intelligent SMS Service Center

3. Intelligent SMS Service Gateway

SME

SME

SME

SMSC SMS

G/IWMSC

HLR VLR

MSC

SS7 BSS

MS

Person-to-Person Text Messaging Provision of Information Downloading Alerts and Notifications Two-way Interactive Text Messaging

Applications SMS Marketing

Note:

(1) Application Web Server of SMS

Gateway service provider.

(2) Internet

(3) SMPP Traffic

(4) SMSC

(5) GSM Network

1. User would log on to sms2email

account.

2. Once user has logged on/signed

up, you would click on "textback".

Under this heading you can then

reserve your keywords (subject to

availability)

3. Once you have your keyword(s),

user can start a campaign. Any

text message sent to 07766 40 41

42 with user keyword at the start of

the message will be forwarded to

user by email and also stored on

SMS Gateway service provider

database so user can download

them at a later date.

NOTE : This service is free to all

accountholders. However, it is

subject to a fair-usage policy. If

you are using this service for

business purposes, we would

recommend contacting us for a

dedicated number.

Note:

(1) GSM Modem

(2) SMS Gateway Service

Provider Application Server

(3) Secure database

(4) Email Gateway

(5) HTTP/HTTPS Interface

1. Installing it in a SIM slot in

one of GSM modems (1).

2. SMS Gateway Service

Provider application servers

check user SIM card (2) for

content every 3 seconds.

Note:

SIM based technology, the

maximum throughput of

messages is one per 3 seconds,

up to a limit of 30,000 per month

3. The incoming messages are

processed and entered into the

secure database (3) and all

messages are associated with

user sms2email account login.

4. In order to view the incoming

messages, you can log in to your

sms2email.com account and

download them in Microsoft

excel compatible csv format, or

(at no extra cost) you can have

the messages forwarded to you

via email (4), or HTTP POST'ed

(5) to your own application

server

SMS Center

Intra-operator SMS Messages

HTTP/S API

SMTP [E-mail to SMS]

SMPP

XML

FTP

COM Object API

Faster Data Transfer Rates

Always-On Connection

Robust Connectivity

Broad Application Support

Security Support

CHAT

TEXTUAL AND VISUAL INFORMATION

STILL IMAGES

MOVING IMAGES

WEB BROWSING

DOCUMENT SHARING/ COLLABORATIVE WORKING

AUDIO

JOB DISPATCH

CORPORATE EMAIL

INTERNET EMAIL

VEHICLE POSITIONING

REMOTE LAN ACCESS

Internet on the Mobile.

Rich Media Applications.

Speed of data transfer is achieved.

Facilitates instant connection for sending and receiving of urgent data.

Spectrum efficiency.

LIMITED RADIO RESOURCES .

SPEEDS ARE MUCH LOWER IN REALITY.

NO SUPPORT OF MOBILE TERMINATED CALLS .

TRANSIT DELAYS.

NO STORE AND FORWARD FACILITY UNLIKE IN GSM COMMUNICATION.

GSM ARCHITECTURE

•Used by scientific community •Used by surveyors •Used in road sides

•Used in sports

A CDMA network consists of the following components:

Mobile station. Base station (BS).

Base station controller (BSC). Mobile switching center (MSC).

Home location register (HLR) Visitor location register (VLR)

Authentication center (AC) Operation and administration (OAM)

Voice:In the form of calls made.

SMS:

MMS:

WAP (wirelessapplication protocol)

Pocket data

IC & EV-DO cards.

Prepaid and Postpaid Services

VPN(Virtual Private Network)

Bank ATM / Branch ATM connectivity

Technique Used

CDMA uses code divisionmultiple access whereas GSM uses timedivision multiple access.

Power Consumption and Adjacent ChannelInterference

Data Transfer Speed-

CDMA has beentraditionally faster than GSM, though bothtechnologies continue to rapidly leapfrogalong this path. Both boast "3G" standards, or3rd generation technologies.

Subscriber Identity Module (SIM) cards and RUIM