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8. The BlackBerry device sends a delivery confirmation to the BlackBerry Dispatcher, which sends it to the BlackBerry
Messaging Agent.
If the BlackBerry Enterprise Server does not receive a delivery confirmation within four hours, it resubmits the contact
lookup results to the wireless network.
9. The BlackBerry device decrypts and decompresses the contact lookup results with the device transport key so that the
user can view them on the BlackBerry device or add them to the contact list on the BlackBerry device.
Instant messaging process flows
Process flow: Starting an instant messaging session
using the BlackBerry Client for use with Microsoft
Office Live Communications Server 2005 (Microsoft
Office Communicator)
1. A user logs in to a collaboration client on a BlackBerry device.
2. The device compresses and encrypts the user ID and password, and sends them through the BlackBerry Router to the
BlackBerry Dispatcher over port 3101.
3. The BlackBerry Dispatcher sends the request to the BlackBerry Collaboration Service over port 3200. If the BlackBerry
Collaboration Service is located on a remote computer, the request remains encrypted using a Research In Motion
proprietary protocol.
Feature and Technical Overview BlackBerry Enterprise Server process flows
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