No Calling Number Is Displayed On Phones Connected To The Iad132E(T) - Huawei eSpace IAD Troubleshooting Manual

eSpace IAD
Troubleshooting
Step 4 Contact Huawei technical support.
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2.1.13 No Calling Number is Displayed on Phones Connected to
the IAD132E(T)
Symptom
When a PSTN user makes a call to an intra-office user through the FXO port on the
IAD132E(T), the calling number is not displayed to the intra-office user.
Cause
The possible causes are as follows:
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Solution
Step 1 Contact the carrier to check whether the CLIP service is enabled for the PSTN user connected
to the IAD.
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Step 2 Replace the phone with a phone that is running properly, and check whether the fault is
rectified.
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Step 3 Gradually lower the DSP gain.
Run the following command and check whether the fault is rectified:
TERMINAL(advanced-config)#DSP fsk GAIN 6/7/8
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Step 4 Check whether the CLIP function is enabled for the FXO port on the IAD132E(T).
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Step 5 Capture logs about the FXO port, and check whether there are records about FSK signals or
FSK detection timeout.
Issue 02 (2012-02-29)
The FSK signal is too weak to be detected by the FXO port.
The calling side does not send the calling number.
The phone is faulty.
If no, contact the carrier to enable the CLIP service.
If yes, go to Step 2.
If yes, the phone is faulty. Replace the phone.
If no, go to Step 3.
If yes, the procedure ends.
If no, go to Step 4.
If yes, go to Step 5.
If no, run the sip userport numberfxo-clip yes command. Fox example:
Terminal(config)#sip user 24 fxo-clip yes
This command is available only for IADV300R001C03SPC900, IADV300R001C04SPC300, and later
versions.
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2 Analy zing and Rectify ing Faults
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