Huawei eSpace IAD - No Calling Number Is Displayed on Phones Connected to the IAD132 E(T)

eSpace IAD
Troubleshooting
2 Analyzing and Rectifying Faults
Issue 02 (2012-02-29)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
19
Step 4 Contact Huawei technical support.
----End
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:

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.
Solution
Step 1 Contact the carrier to check whether the CLIP service is enabled for the PSTN user connected
to the IAD.

If no, contact the carrier to enable the CLIP service.

If yes, go to Step 2.
Step 2 Replace the phone with a phone that is running properly, and check whether the fault is
rectified.

If yes, the phone is faulty. Replace the phone.

If no, go to Step 3.
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

If yes, the procedure ends.

If no, go to Step 4.
Step 4 Check whether the CLIP function is enabled for the FXO port on the IAD132E(T).

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.
Step 5 Capture logs about the FXO port, and check whether there are records about FSK signals or
FSK detection timeout.