About Black Berry Technology :- :-
A
Blackberry is a personal communications device developed, distributed, and
serviced by Research in Motion(RIM), a Canadian company headquartered in
Waterloo, OntarioA .Blackberry can provide email, text messaging, web browsing,
and telephone service. It is an example of a convergent device.
A
BlackBerry is an end-to-end wireless email solution that allows access to your
Outlook Inbox, Calendar, Contacts, and Tasks with full wireless
synchronization. The BlackBerry Server constantly communicates with the campus
Exchange server (that talks to Outlook, among other email clients).As soon as
something comes into your Outlook for Exchange email, the BlackBerry server
gets a copy and sends it to your device through the Internet. Your device
receives that information through the Internet using your carrier's preferred
network. The process works in reverse when you make changes on your BlackBerry
device that need to be copied into your Outlook account, e.g., if you send a
message that needs to be copied to your Sent items, or if you add a contact to your
Contacts list. The Blackberry can be set up and operated wirelessly without
ever being connected physically to a computer. RIM currently offers BlackBerry
e-mail service to non-BlackBerry devices, such as the Palm Treo, through the
BlackBerry Connect software. The original BlackBerry device had a monochrome
display, but all current models have color displays.
Research
in Motion provides the native email system for the Blackberry. However, RIM has
cooperated with Microsoft, IBM, and Novell to provide full two-way email
integration with Outlook, Notes, and GroupWise, respectively. Standard features
on a Blackberry include calendar, tasks, notes, alarm clock, calculator, and
some games. Third party applications can be downloaded to extend its capability.
Some models available from Nextel, Sprint, and maybe other carriers, provide
GPS and cellular “walkie-talkie” service as well. Most Blackberry are Bluetooth
capable, allowing for the use of wireless Bluetooth headsets to handle
telephone calls. Because the Blackberry relies on the cellular telephone
network, it is only available through cell phone carriers .And, like cell
phones, each carrier has its own unique models. The typical cost of a
Blackberry is $250-$300.
Operating System
RIM provides a proprietary multi-tasking
operating system (OS) for the BlackBerry. The operating system is designed for
use of input devices such as the track wheel, track ball, and track pad. The OS
provides support for MIDP 1.0 and WAP 1.2. Previous versions allowed wireless
synchronization with Microsoft Exchange Server's e-mail and calendar, as well
as with Lotus Domino's e-mail. The Blackberry Torch 9800 and Bold 9780 feature
Blackberry OS 6, the Torch 9860 uses OS 7 (the latest as of October 2011).
Third-party developers can write software
using these APIs, and proprietary BlackBerry APIs as well, but any application
that makes use of certain restricted functionality must be digitally signed so
that it can be associated to a developer account at RIM. This signing procedure
guarantees the authorship of an application, but does not guarantee the quality
or security of the code. RIM provides tools for developing applications and
themes for BlackBerry. Applications and themes can be loaded onto BlackBerry devices
through BlackBerry App World, Over The Air (OTA) through the BlackBerry mobile
browser, or through BlackBerry Desktop Manager.
Supporting Software
BlackBerry
handhelds are integrated into an organization's e-mail system through a
software package called "
BlackBerry Enterprise Server " (BES). Versions of BES are available for
Microsoft Exchange, Lotus Domino and Novell GroupWise. While individual users
may be able to use a wireless provider's e-mail services without having to
install BES themselves, organizations with multiple users usually run BES on
their own network. Some third-party companies provide hosted BES solutions.
Every BlackBerry has a unique id called BlackBerry PIN which is used to
identify the device to the BES.
BES
can act as a sort of e-mail relay for corporate accounts so that users always
have access to their e-mail. The software monitors the user's local
"inbox", and when a new message comes in, it picks up the message and
passes it to RIM's Network Operations Center (NOC). The messages are then
relayed to the user's wireless provider, which in turn delivers them to the
user's BlackBerry device. This is called "push e-mail," because all
new e-mails, contacts and calendar entries are "pushed" out to the
BlackBerry device automatically, as opposed to the user synchronizing the data
by hand. Device storage also enables the mobile user to access all data offline
in areas without wireless service. As soon as the user connects again, the BES
sends the latest data.
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