Discontinuous Communication - Huawei SmartAX MA5612 Maintenance Manual

SmartAX MA5612 Multi-service Access Module
Maintenance Guide
Step 13 End.
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5.3.8 Discontinuous Communication

This section describes how to troubleshoot the fault where the call is discontinuous.
Fault Location
Use the following guidelines to locate the fault:
Check whether the phone is
priority of the voice service is
Check whether the quality of
voice service requirements
To facilitate fault report, save the results of the following steps.
Procedure
Step 1 Replace the phone and check whether the fault is rectified.
l
l
Step 2 In VoIP mode, run the display qos ip and display qos vlan commands to check whether the
QoS priority of the voice service is set properly.
l
l
Issue 01 (2012-07-25)
Start
working properly
Check whether the QoS
set properly
the bearer network meets
end
CAUTION
If the fault is rectified, go to
If the fault persists, go to
If the QoS priority of the voice service is set properly, go to
If the QoS priority of the voice service is not set properly, go to
NOTE
l When packet loss occurs due to network congestion, the packets whose QoS priorities are the lowest
are discarded firstly. The QoS priority ranges from 0 to 7 from low to high.
l The voice service has high requirements on network quality. Therefore, users are recommended to set
the priority of the VoIP service on the MA5612 to 6.
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5 Troubleshooting Services Transmitted Through a GPON
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