Configure advanced options for managed IP phones and managed IP phone templates

To configure advanced options for managed IP phones and managed IP phone templates

In the <IC_Server> container, double-click the Managed IP Phones container.
If you are configuring a managed IP phone template, double-click the Templates subcontainer.
In the list view window, double-click the item that you want to configure.
Click the Options tab.
Click Advanced Options.
Use the Advanced Options tab and the SIP Options tab to configure the advanced options. For more information on the configuration settings, use the links under Related topics.