Telephone Options > Phone Application Options > Setting the "Go to Phone on Incoming" Option

To modify the current setting, select Go to Phone on Incoming from the Phone Options and Preferences screen. When the Go to Phone on Incoming screen displays with the current setting highlighted, select either On Ringing, On Answer or No to indicate whether you want the Phone screen displayed upon ringing or answering, or whether you do not want to see the Phone screen for incoming calls. Then select Save. To exit without making a change, select Cancel.