High Definition Color PoE IP Phone with Dual Display
VIP-2140PT
88
Trouble Case
Solution
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 “10.6 Network Packet Capture” to get the network
packet capture of registration process and send it to analyze the
issue.
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.
Audio is choppy 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
choppy sound will be gone.
