CS4032 PresentationSMS, SIM, MMS

and Barcodes

Richard Richard DrysdaleDrysdale

SIM (Subscriber Identity Module) Stores information including:

International Mobile Subscriber Identity (IMSI)

Security authentication and ciphering info

List of services user has access to

Two passwords (PIN and PUK)

May be locked to a network Apple iPhone vs hackers

1991: First SIMs made in Finland 2005: Finish “Citizen Certificate” includes SIM

SMS (Short Message Service) Communication service standardized in the GSM

mobile communication system. Used as a synonym for a text message or the act

of sending a text message. Defined by GSM standards for interchange of

short text messages of up to 160 characters. Over 740 billion text messages sent in the US

during first half of 2009. (CTIA - The Wireless Association, Semi-Annual Survey 2009)

MMS (Multimedia Messaging Service) Standard way to send messages that include

multimedia content to and from mobile phones. Extends the core SMS Indirect delivery by triggering handset to

download from an embedded URL. Problems with

Configuration, Content Adaptation & Incompatibility

WAP Push & “Delivery Charges”

Distribution Lists & Bulk Messaging

Barcode Applications Camera equipped phones can be used as a reader Problems of camera resolution vs information Related to MMS in regards to redirection Often used as “hardlink”

(physical hyper-link) Examples: Microsoft Tag,

QR Code (Pepsi) Sample format of a 2D barcode