Use the Advanced Connections Settings dialog box to select either automatic or manual configuration of connections to the communications service, if and as directed by your system administrator.
Open Microsoft Lync 2010 communications software, click the Options button, click Personal, click the Advanced button, and then click Automatic configuration to let Microsoft Lync Server 2010 communications software automatically configure your connection settings.
Open Lync 2010, click the Options button, click Personal, click the Advanced button, click Manual configuration, and then use the information provided by your system administrator to configure the following information: