Step 3 Run the display iua-link state command to check the status of the IUA link.
The IUA link can be used normally only when the IUA link is in active state.
When the IUA link is not in active state, check the configuration of the IUA link. Check whether
the settings of the following parameters of the IUA link are the same as the settings of the
parameters of the softswitch:
l Remote port
l Remote IP address
l Local port
l Local IP address
Step 4 Run the display mgprauser command to check the configuration of the PRA users.
Check whether the settings of the following parameters are correct:
l MGID
l TerminalID
l LinkSetNo
l InterfaceID
Step 5 Run the display board command to query the status of the board.
In normal cases, the board is in Normal state.
If the board is not in Normal state, troubleshoot the fault according to the following procedure:
l Remove and insert the board.
l Replace the board.
Step 6 Check whether the physical line is connected properly.
Check whether the E1 line is connected properly and whether the cables are worn out.
Perform a loopback test to check whether the E1 port on the E1 line is faulty. For details, see
8.2 Performing a Loopback on an E1 Port and 8.1 Performing a Loopback on an E1
Line.
----End
4.6 SIP-Based ISDN PRA Service Fault Troubleshooting
The PRA is used to access the ISDN users to the MG through the ISDN PRI based on the SIP
protocol. This topic describes how to troubleshoot the fault of the SIP-based ISDN PRA service.
Location Method
When the SIP-based ISDN PRA service is faulty, locate the fault according to the following
procedure:
1. Check whether the SIP interface is normal.
2. Check whether the configuration of the device is the same as the configuration of the proxy
server.
3. Check whether the configuration of the PRA users is correct.
SmartAX MA5612 Multi-service Access Module
Maintenance Guide 4 Troubleshooting Services Transmitted Through a GE Port
Issue 01 (2012-07-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
110
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