High Definition Color PoE IP Phone with Dual Display
VIP-2140PT
87
9.5 Network Packets Capture
Sometimes it is helpful to dump the network packets of the device for issue identification. To get the packets
dump of the device, user needs to log in to the device web portal, open page [System] -> [Tools] and click
[Start] in “Network Packets Capture” section. A pop-up message will be prompt to ask user to save the
capture file. User then should perform relevant operations such as activate/deactivate line or making phone
calls and click the [Stop] button on the web page when operation finishes. The network packets of the device
during the period have been dumped to the saved file. User may examine the packets with a packet analyzer
or send it to support.
9.6 Common Trouble Cases
Table 12 - Trouble Cases
Trouble Case
Solution
Device could not boot up
1. The device is powered by external power supply via power adapter
or PoE switch. Please use standard power adapter provided or
PoE switch met with the specification requirements and check if
device is well connected to power source.
2. If you saw “POST MODE” on the device screen, the device system
image would be damaged. It is usually because of system image
damaged due to power failure during software upgrade. When this
occurs, users may follow below steps to restore the system image.
Step 1.
Download the latest device software.
Step 2.
Setup a FTP server on a PC and put the downloaded software
in the FTP repository. (Windows users can download free FTP server
software such as WFTPD32 or 3CDaemon)
Step 3.
Configure the PC with fixed IP address as 192.168.10.10
Step 4.
Connect device network with the PC.
Step 5.
Telnet from PC to device: >telnet 192.168.10.1
Step 6.
When telnet connection established, it will run POST
maintenance tools, please select ‘2’ – FTP update image, and fill in
required information to start the image update.
Step 7.
Once update finished, please select ‘4’ to reboot the device.
Device could not register to
a service provider
1. Please check if device is well connected to the network. The
network Ethernet cable should be connected to the
[Network] port, NOT the
[PC] port. If the cable is not well
connected to the network icon
[WAN disconnected] will be