Huawei eSpace IAD - Port on the IAD208 E(M) Is Locked

eSpace IAD
Troubleshooting
2 Analyzing and Rectifying Faults
Issue 02 (2012-02-29)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
54
Solution
Step 1 Run the display protocol command on the IAD or choose Advanced Configuration >
Protocol Mode to view the protocol mode. Check whether the protocol mode is correct.

If no, run the protocol-mode command or choose Advanced Configuration > Protocol
Mode to change the protocol mode.

If yes, go to Step 2.
Step 2 Check whether the softswitch can be pinged on the IAD.

If no, verify the network connection.

If yes, go to Step 3.
Step 3 If the protocol mode is MGCP, run the display mgcp attribute command on the IAD or
choose MGCP Service Configuration > MG to check whether the MG domain name
configuration is the same as that on the softswitch.

If no, run the mgcp mg-domain-name command on the IAD or choose MGCP Service
Configuration > MG to change the domain name.

If yes, go to Step 4.
Step 4 Check whether the softswitch configuration is correct. For details, see the related softswitch
document.

If yes, go to Step 5.

If no, modify the softswitch configuration.
Step 5 Verify that the phone number is not used by another phone.
Step 6 Run the trace command to trace signaling and locate the cause.
Step 7 Check whether the fault is rectified.

If yes, the procedure ends.

If no, go to Step 5.
Step 8 Contact Huawei technical support.
----End
2.3.20 Port on the IAD208E(M) Is Locked
Symptom
A port on the IAD is locked.
Cause
The possible causes are as follows:

The power supply is incorrect.

The phone connected to the port is not hung up after a conversation ends for a long
period of time.

The splitter is not running properly.

Short-circuit occurs on the user line.