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3.1 Example 1: Send an Instant Message to a Contact


This example illustrates how a series of use cases can be used to initiate IM from Office Communicator to a contact.

Use Cases

  • Sign in, as described in section 2.5.5.

  • Download Address Book and Search in section 2.5.7.

  • Add a contact, as described in section 2.5.10.

  • Initiate IM, as described in section 2.5.9.

  • Initiate IM, also covers the Multiple Endpoints in section 2.5.11. The IM is accepted by one of the multiple destination endpoints of a given user.


The following diagram illustrates how the actors (user and administrator) interact with the use cases that are used as building blocks for this example.


Figure 26: Process for sending an instant message to a contact

The following diagram illustrates the sequence in which the use cases are invoked in this example.


Figure 27: Sequence for sending an instant message to a contact

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