User's Manual

Table Of Contents
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.
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 flashing in the
middle of the screen.
2. Please check if the device has an IP address. Check the system
information, if the IP displays “Negotiating…”, the device does not
have an IP address. Please check if the network configurations is
correct.
No Audio or Poor Audio in
Handset
1. Please check if Handset is connected to the correct Handset (
)
port, NOT Headphone ( ) port.
2. The network bandwidth and delay may be not suitable for audio call
at the moment.
Poor Audio or Low Volume in
Headphone
1. There are two Headphone wire sequences in the market. Please
use the Headphone provided, or consults the wire sequence if you
wish to use a third-party headphone.
2. The network bandwidth and delay may be not suitable for audio call
at the moment.
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