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12.7 Common Trouble Cases
Table 32 - 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 by Fanvil 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.
3. If network connection is fine, please check again your line
configurations. If all configurations are correct, please kindly
contact your service provider to get support, or follow the
instructions in “
” to get the network
packet capture of registration process and send it to Fanvil
support to analyze the issue.
No Audio or Poor Audio in
Handset
1. The network bandwidth and delay may be not suitable for audio
call at the moment.
Audio is chopping at far-end
in Hands-free speaker mode
This is usually due to loud volume feedback from speaker to
microphone. Please lower down the speaker volume a little bit, the
chopping will be gone.