1. themman92's Avatar
    What role, if any, does BlackBerry Internet Service play in the operating of BlackBerry Messenger?
    10-18-09 09:58 PM
  2. MobileMadness002's Avatar
    Without a BB data plan, BIS or BES, you have no BBM.
    10-18-09 10:01 PM
  3. themman92's Avatar
    ok but like how does it work? every bbm goes through the BIS servers?
    10-18-09 10:08 PM
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