Microsoft® Office Communicator Automation API exposes the following cocreatable classes.


The Messenger object is the entry point to using Office Communicator Automation API. An application must first create an instance of this co-class to access the basic Communicator functionality programmatically, including signing in, signing out, querying contacts, adding or removing a contact from the contact lists of the signed-in user, querying and managing presence, and initiating an instant messaging session including voice chat or a phone conversation with a contact.


Enables an application to add contacts to a Communicator instance without invoking any user interface elements.

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