Introduction  
 
5 
Overview 
The chapters in this manual cover all aspects of developing programs that operate on the 
Motorola T720 handset. These include: 
•  Hardware Environment–learn the hardware that is available and the capabilities of the 
processor, memory, networks, and more 
•  Software Environment–learn the software environment in which your programs will 
operate on the device 
•  Development Tools–learn which development tools are available to make your 
program happen 
•  Developing for the Motorola T720 Handset –provides the information you need in 
order to create, debug, download, and package programs 
•  Coding Example–learn how to customize the LWT Button class on the Motorola T720 
in this extended code example. 
Glossary 
Here are definitions of common terms used in this manual: 
Term  Definition 
AMR  Adaptive Multi Rate 
API  Application Programming Interface 
BREW  Binary Runtime Environment for Wireless 
CDMA  Code Division Multiple Access 
EMS  Enhanced Messaging Service 
GPRS  General Packet Radio Services 
GSM  Global System for Mobile Communications 
MMS Multimedia Messaging Service 
SMIL  Synchronized Multimedia Integration Language 
WAP  Wireless Application Protocol