Background

Microsoft headsets and webcams currently launch Windows Live Messenger when the Call button is pressed. The goal of the Call Button Integration Support Update is to enable a Group Policy setting that will change that will launch Microsoft Office Communication using the Windows Live Call button.

Installation Instructions

Use the following .ADM file snippet to set the Group Policy:

    CLASS MACHINE

    CATEGORY !!MSHW

      POLICY !!EnableMOCIntegration
      KEYNAME "Software\Policies\Microsoft\Hardware"
      EXPLAIN !!EnableMOCIntegrationExplain
      VALUENAME "EnableMOCIntegration"
        VALUEON  NUMERIC 1
        VALUEOFF NUMERIC 0
      END POLICY

    END CATEGORY

    [strings]
    MSHW="Microsoft Hardware"
    EnableMOCIntegration="EnableMOCIntegration"
    EnableMOCIntegrationExplain="Enables MOC Integration"

    ; Online Help Strings
    ADM_TITLE="Group Policy settings for Microsoft Hardware"
    COMPUTER="Computer Configuration"
    COMPUTER_EXPLAIN="Contains settings that may only be used to configure Computers."
    SUPPORTEDON="Requirements:" 

The entire article can be found here: http://www.microsoft.com/hardware/digitalcommunication/officecommunicator/default.aspx