02-09-2007, 08:06 PM
Join Date: Oct 2005
Carrier: WiFi hotspot
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PIN messaging is the most effective on blackberry.
Next is emails on BES, when both sender and recipient are on the same BES.
Next is emailing on BES.
Last is BIS.
Blackberry will try to push message through as long as it has even small chance to do it. The network is not limitless so if it is 100% utilized no luck but if there is even small drop below 100% blackberry will push messages and receive them.
Had not been unlucky to be near twin towers on 9/11, but once was at major accident on highway with cars lined for miles, any attempt to make cell phone call ended with busy signal- everyone tried to call. Emails went through, so I used blackberry to email my office back and forth while my car was standing on highway.