VoIP Phone System User Guide
14 | P a g e
Basic Troubleshooting
Phone Showing Network Down or Not Registered
Make sure that the ethernet cord that is connected to the Network Connection (See Below) is securely
connected to the Wall Jack or Switch properly. Then disconnect the Power Supply from the rear of the
phone (See Below). If there is no power supply, this is because the phone is power using PoE (Power-
over-Ethernet), in this case, disconnect the ethernet cord from the Network Connection and reconnect.
The phone is not ringing
Make sure that the Volume Key is turned up. If it is turned all the way down, the phone will not ring.
When dialing out, you do not hear the ring sound.
This can be caused by a network issue. This can be resolved by Pressing the Menu Key and Navigating to
Reboot, Pressing the Menu/Enter Key and then press the Yes Soft Key. The phone will reboot.
(On the 2135, Reboot is on the second page, on the 2170, it is on the first page)
How do I cancel "call transfer" or "conference"?
It's easy to cancel both these functions. Simply press either the 'transfer' key or 'conference' key a
second time. This will terminate the function.
BLF Line Keys are not up to date with changes.
This can be resolved by rebooting the phone. The phones do not look at the changes on the server in
real-time to conserve network resources. It polls the server periodically for changes. To force the