Symptom
The IAD registration status is normal but the indicator of a connected phone is off when the user picks up the phone.
Possible Cause
The possible causes are as follows:
The phone is faulty.
The device is faulty.
The subscriber line is unavailable.
The power supply is abnormal.
Solution
Replace the phone with another one.
If the problem does not occur, the original phone is faulty. Replace the original phone.
If the problem persists, go to 2.
Connect the phone to the telephone line of the IAD and check whether there is feed.
If yes, ensure that the cables in the cable distribution frame (CDF) are correctly connected.
If no, go to 3.
Use a telephone line delivered with the device to replace the existing one.
If the problem is resolved, the procedure ends.
If the problem persists, go to 4.
Replace the board.
If the problem is resolved, the procedure ends.
If the problem persists, go to 5.
Check the power supply, especial at small ports.icon-note.gif NOTE:
IAD1224: 100 V-240 V AC or 48 V DC
IAD196: 100 V-240 V AC or 48 V DC
IAD132E(T): 100 V-240 V AC
IAD104H: 100 V-240 V AC or 12V DC
If yes, go to 6.
If no, select the correct power supply.
Contact Huawei technical support engineers.
What should I do if the indicator of a phone is off when the phone is picked up?
Created: Dec 22, 2018 08:15:45Latest reply: Dec 30, 2018 13:37:43
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