Hardware
Symptom
Possible Cause
Corrective Action
Echo occurring
between IP
Phones
Layer 2 switch setting
problem.
1.
Check the L2 switch for duplex
mismatch and spanning tree.
2.
Turn off spanning tree between
the L2 switch and the IP Phone if
possible (use the PortFast setting).
3.
In the Layer 2 Switch form of
the System Administration Tool,
configure all L2 ports in the voice
path with the same settings. The
recommended settings for the
“Duplex Mode” field and the “Flow
Control” field is “Auto”.
4.
If the network requires fixed
settings, use the following:
•
State - Enabled
•
Speed - 100 Mb
•
Duplex Mode - Full DX
•
Flow Control - Enabled
•
Voice VLAN - Tagged
5.
If you change these fields to fixed
settings, you must also set the IP
phones to use the fixed settings.
You change the IP phone settings
through the Configuration menu
).
6.
In the Configuration menu, select
Hardware Config?
and then select
Modify Port Setting
and modify
the settings.
Document Version 1.0
103
Troubleshooting Guide
Summary of Contents for MiVoice Business 3300 ICP
Page 1: ...MiVoice Business Troubleshooting Guide Release 9 4 SP1 Document Version 1 0 June 2022 ...
Page 10: ...Introduction Document Version 1 0 Troubleshooting Guide 4 ...
Page 45: ...Figure 4 DNS setting on MSL server manager ...
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