shows the troubleshooting flowchart.
Figure 6-4
Busy tone is heard after offhook
Modify SIPAG
configuration
Busy tones
are always
displayed
after offhook
Are user data
and authentication
mode correct?
Is the SIP
AG Up?
No
Yes
End
Is fault
rectified?
No
No
No
Is fault
rectified?
Yes
Seek technical
support
Yes
Yes
Is PSTN interface
state correct?
Configure a SIPAG
user
No
Is fault
rectified?
Yes
Yes
Yes
Is there any
QoS alarm?
Rectify network fault
No
Is fault
rectified?
Yes
No
No
Yes
Is there available
DSP channel?
Ensure that
DSP channels are
sufficient
No
Is fault
rectified?
Yes
No
Rectify network
fault and modify SIP
AG configuration
Modify License
configuration
Is License
configured correct?
No
Yes
Is fault
rectified?
No
Yes
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.
Huawei AR2200-S Series Enterprise Routers
Troubleshooting
6 Voice
Issue 01 (2012-01-06)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
146