Hardware
Table 14: IP Phone Registration Troubleshooting
Error Message
on Display
Possible
Cause
Corrective Action
Invalid VLAN ID
DHCP Option 43
or 125 on 3300
Release 7.0 or
later systems
or 132 and/or
133 for earlier
releases not set
correctly.
1.
Identify the location of DHCP server and
which DHCP server is assigned the IP
address for the corresponding subnet (see
“Network Configuration Examples” in the
“Typical Network Configurations” chapter of
the
Technician’s Handbook
for examples).
2.
For an external Microsoft DHCP server
(NT server, etc.), make sure that the option
type is set to LONG.
3.
For a Cisco
®
Router DHCP server, make
sure that the option type is set to hex, and
padded with 0s (for example, 0x00000002
for VLAN 2).
4.
For the controller internal DHCP server, set
the option type to numeric.
Existing data
device owns the
IP address.
1.
Check the IP address on the phone
display.
2.
Disconnect the IP Phone.
3.
From a PC on the same subnet, ping the
suspected IP Phone. If there is a response,
identify the data device, and resolve the
conflict.
D uplicated IP
address
Corrupted DHCP
server.
1.
On the suspected DHCP server, disable
then recreate the scope.
2.
If this is a Microsoft DHCP server, reboot
the server.
Document Version 1.0
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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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