Blackberry ENTERPRISE SOLUTION SECURITY - ENTERPRISE SOLUTION - SECURITY TECHNICAL Uživatelský manuál stáhnout pdf (Strana 43)

BlackBerry Enterprise Server process flows

Messaging process flows

Process flow: Sending a message to a BlackBerry device

1. A new message arrives in a user’s mailbox and Microsoft® Exchange notifies the BlackBerry® Messaging Agent.

2. The BlackBerry Messaging Agent applies global filter rules to the messages in the user’s mailbox and filters the messages

that match the filter criteria.

If no global filter rules apply, the BlackBerry Messaging Agent applies user-defined filter rules to the messages in the

user’s mailbox.

3. The BlackBerry Messaging Agent sends the first 2 KB of the message to the BlackBerry Dispatcher.

4. The BlackBerry Dispatcher compresses the first 2 KB of the message, encrypts it with the master encryption key of the

BlackBerry device, and sends the encrypted data to the BlackBerry Router.

5. The BlackBerry Router sends the encrypted data to the wireless network over port 3101.

6. The wireless network verifies that the PIN belongs to a valid BlackBerry device that is registered with the wireless

network, and sends the message data to the BlackBerry device.

7. The BlackBerry device sends a delivery confirmation to the BlackBerry Dispatcher. The BlackBerry Dispatcher sends

the delivery confirmation to the BlackBerry Messaging Agent.

If the BlackBerry Messaging Agent does not receive a delivery confirmation within four hours, it sends the message to

the wireless network again.

The delivery confirmation verifies that the wireless network delivered the message to the BlackBerry device, but it does

not verify that the user received or opened the message.

8. The BlackBerry device decrypts and decompresses the message so that the user can view it, and notifies the user that

the message has arrived.

Feature and Technical Overview

BlackBerry Enterprise Server process flows

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Blackberry ENTERPRISE SOLUTION SECURITY - ENTERPRISE SOLUTION - SECURITY TECHNICAL Uživatelský manuál Strana 43