MS-721 Practice Question 3400
Exam: MS-721
Domain: Configure and manage Teams Rooms and devices
Difficulty: hard
When onboarding legacy SIP phones to Teams SIP Gateway, how is the device provisioned to discover Microsoft 365 provisioning servers?
Answer Options
A
DHCP Option 66 (or 160) pointing to regional Teams SIP Gateway provisioning URL
B
Typing administrator passwords onto the telephone keypad
C
Plugging an analog telephone line into a wall socket
D
Flashing custom motherboard BIOS chips manually
Correct Answer
A: DHCP Option 66 (or 160) pointing to regional Teams SIP Gateway provisioning URL
Explanation
The local network DHCP server provides Option 66 (or Option 160) pointing to the regional Teams SIP Gateway provisioning URL (e.g., http://noam.ipp.sdg.teams.microsoft.com).