What are two possible ways to achieve the goal?

You are deploying Microsoft Skype for Business 3PIP phones to remote sites for use with Microsoft Teams.

You need to sign each 3PIP phone in to Teams.

What are two possible ways to achieve the goal? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.
A . From the Microsoft Teams admin center, remotely provision a new device.
B . From the device, instruct a local user to sign in from a computer that connects to the device by using a USB cable.
C . From the device, instruct a local user to sign in by using the device itself.
D . From the device, instruct a local user to use the direct inward dial (DID) number and PIN of the assigned account.
E . From the device, instruct a local user to sign in from the web.

Answer: C,E