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you can find all the info on
www.howstuffworks.com
BlackBerry Enterprise Server or Desktop Redirector software "pushes," or redirects, new e-mail, calendar updates, documents and other data straight to the user over the Internet and the cell phone network.
First, the software senses that a new message has arrived or the data has changed. Then, it compresses, packages and redirects the information to the handheld unit. The server uses hypertext transfer protocol (HTTP) and transmission control protocol (TCP) to communicate with the handhelds. It also encrypts the data with triple data encryption standard (DES) or advanced encryption standard (AES).
Posted by jahangir1983
First, the software senses that a new message has arrived or the data has changed. Then, it compresses, packages and redirects the information to the handheld unit. The server uses hypertext transfer protocol (HTTP) and transmission control protocol (TCP) to communicate with the handhelds.
Posted by waqqas1
You pay for the data plan and the push email is just included on the phone. Your email is pushed onto the blackberry server and then that server automatically pushes it to your phone...its like forwarding the emails to you...instead of your phone checking for emails it just automatically gets them and you must be connected to one of those services for it to work...preferably Gprs
Posted by waqasahmad
BlackBerry Enterprise Server or Desktop Redirector software "pushes," or redirects, new e-mail, calendar updates, documents and other data straight to the user over the Internet and the cell phone network.
First, the software senses that a new message has arrived or the data has changed. Then, it compresses, packages and redirects the information to the handheld unit. The server uses hypertext transfer protocol (HTTP) and transmission control protocol (TCP) to communicate with the handhelds. It also encrypts the data with triple data encryption standard (DES) or advanced encryption standard (AES).
From:Howstuffworks
Posted by sagitraz