The sign-in name is one of the individual settings of a user account that can be configured on the Communicationstab of Propertiesfor the user, if the individual user has been enabled for Office Communications Server 2007 R2. The sign-in name specifies the Session Initiation Protocol (SIP) address that is registered for the user and is used to route messages to and from the user. The sign-in name is in the form "sip:user@domain" and it must be unique.
To change the sign-in name for a specific user account
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Open the Office Communications Server 2007 R2 snap-in.
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In the console tree, expand the forest node, and then navigate to the Standard Edition server or Enterprise pool that contains the user account that you want to configure.
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Expand the pool name for the Enterprise pool or the Standard Edition server, and then expand Users.
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In the details pane, right-click the user account name, and then click Properties.
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On the Communicationstab, in Sign-in name, do the following:
- Specify the sign-in name (such as sip:usera).
- In the drop-down list box, select the domain (such as
sales.contoso.com).
- Specify the sign-in name (such as sip:usera).