To add or modify a mobile phone number, click Mobile Phone. This number is available to everyone except users with Blocked Contacts or External Contacts privacy relationships. Note that if a work phone is supplied through the corporate directory service, you cannot modify it, and the Work Phone button is disabled. To add or modify a work phone, click Work Phone. For other phone numbers, view Phones options, and then do any of the following: Your company sets your work phone number, so you cannot change it from what is displayed or unpublish it. They are not visible to users who have Blocked Contacts or External Contacts relationships. Phone numbers defined in your corporate directory system are visible to all contacts in your organization who are assigned to Colleagues, Workgroup, or Friends and Family privacy relationships.

For more information, see Control access to your presence information. For example, you can make your mobile or home phone number available to your closest co-workers, but not available to everyone in the organization. When you publish phone numbers, you can and should control access to those phone numbers by setting privacy relationships (formerly known as access levels) for your contacts. Your phone numbers are part of your presence information and are used by other Lync 2010 users to contact you.

Use the options under My phone numbers to enter and publish or unpublish your phone numbers. To open Phones options, open Lync, click the Options button, and then click Phones.

Use the Lync - Options dialog box to set up or change settings for any phone you use with Microsoft Lync 2010 communications software.

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