Failed To Obtain An Ip Address; Ip Address Conflict - Huawei eSpace 7800 Troubleshooting Cases

eSpace 7800&7900 IP Phone
Troubleshooting Cases

Possible Causes and Solutions
Possible Cause
The network cable is connected
to the PC port of the IP phone.
The network cable is faulty.

2.2.2 Failed to Obtain an IP Address

Applicable Models
eSpace 7900 series and eSpace 7800 series
Applicable Versions
All versions
Symptom
An IP phone fails to obtain an IP address, and login to the IP phone fails.
Possible Causes and Solutions
Possible Cause
(In static mode) The IP address
parameters are incorrectly set.
(In DHCP mode) The DHCP
server malfunctions.

2.2.3 IP Address Conflict

Applicable Models
eSpace 7900 series and eSpace 7800 series
Applicable Versions
All versions
Issue 01 (2013-12-26)
The icon is displayed in the status bar on an IP phone's screen.
eSpace 7800 series
The icon and the message "Network Unavailable" are displayed on an IP phone's
screen.
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How to Resolve
Connect the network cable to the LAN port of the IP
phone.
Use a functional network cable.
How to Resolve
Enter the correct IP address, subnet mask, and gateway
address.
Verify that the DHCP server is functioning properly.
2 Troubleshooting Cases
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