H35-211_V2-5 practice question 8 of 15

(Radio) In the FTTB/C scenario, ONU is used as an AG device to access the phone, and there is no possible cause of sound failure for SIP protocol off-hook

Full set: 70 questions
Answer options
A: There are packet losses in the olt upper-layer network
B: The ONU side MG interface status is abnormal Correct answer
C: The voice server is down
D: ONU and IMS routes are unreachable
Correct Answer:
B. The ONU side MG interface status is abnormal
Explanation

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