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Blackberry poll the server

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MarcyOne

x-box princess
The Blackberry, like every cell type of device polls. But it does not mean
what you describe. The polling that takes place is a "keep-alive" type of data
packet. The purpose is to let the network know where the phone is located
physically on the network at any given time. As a user moves from place to
place the cell towers keep a record of those movements so that when you
want to make a call or send data of any type you will already be connected
and ready go. This is how you get an "always on" connection.

The polling intervals vary by providers but they are generally constant IE
every so many seconds or nanoseconds.

If the network receives a piece of data destine for your device, the network
sends the data immediately after it arrives. The network does not wait for
any length of time beyond the time it takes to forward the message. There
can be delays caused by no or poor signal in which case the information is
stored until the connection is restored and is then downloaded.
 
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