Huawei V200R001C01 - Page 151

Figure 6-2 No dial tone is heard after offhook
Rectify fault of
line or port
No dial tone
is heard after
offhook
Is port status
correct?
Is interface
subcard
registered?
No
Yes
End
Is fault
rectified?
No
Rectify interface
subcard fault
No
No
Is fault
rectified?
Yes
Seek technical
support
Yes
Yes
Rectify SRU
fault
No
Is fault
rectified?
Yes
Yes
No
Is SRU
working properly?
Troubleshooting Procedure
NOTE
Saving the results of each troubleshooting step is recommended. If troubleshooting fails to correct the fault,
you will have a record of your actions to provide Huawei technical support personnel.
Procedure
Step 1 Check the status of the port connected to the telephone.
Run the display voice port state command to check whether the port status is in service after
offhook.
[Huawei-voice]display voice port state 2/0/1
Fxs Port
Port : 2/0/1
PTPSrvState : Normal
PTPAdmState : NoLoop,NoTest
CTPSrvState : In
service
CTPAdmState : StartSvc
LineState : Normal
l If the port status is not in service, repair or replace the subscriber line.
l If the port status is in service, go to step 2.
Step 2 Check whether the interface card connected to the telephone has been successfully registered.
If the interface card fails to be registered, no dial tone can be displayed because the upper layer
protocol packets cannot be transmitted between the calling and called parties. Run the display
device command to check whether the interface card has been successfully registered.
Huawei AR2200-S Series Enterprise Routers
Troubleshooting 6 Voice
Issue 01 (2012-01-06) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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