You are a Network Engineer at ABC Company. You want to ensure that when the contact center agent for the company makes an external call, the extension 897654300 is displayed. How do you resolve this issue?

A.	Configure a Line Text Label on the Directory Number configuration page.
B.	Configure an external phone number mask on the Directory Number configuration page.
C.	Configure a translation pattern with the pattern 897654300.
D.	Configure an external phone number mask on the Device configuration page.