Troubleshoot the Panasonic TPA65 wireless desk phone for Business VoiceEdge

Updated 6/25/2019 2:18:10 PM by Comcast Expert


This article outlines the known issues and error messages that you may encounter while using the Panasonic TPA65 wireless desk phone.

Basic troubleshooting tips

1. Make sure the device is plugged into a working outlet, receiving power and ready for use.

Ensure the power cable is securely connected to the handset charging dock and the outlet.

Verify the battery in the cordless handset is seated properly.

Make sure the contacts on both the handset and charger are free of dust and debris.

2. Know the coverage area provided by the base unit and extender devices.

Coverage area provided by each base unit / extender for synchronization with additional extender device's Maximum Distance: 98 ft. to 131 ft.

Coverage area provided by each base unit / extender for synchronization with a cordless handset or desk phone's Maximum Distance: 131 ft. to 164ft.

Troubleshooting the Wireless Desk Phone


Probable Cause

The wireless desk phone does not work.

The power is off.

Try This:

  • Confirm the wireless desk phone is powered on

The wireless desk phone does not ring, but is able to make calls.

Ringer volume is set to Off.

Note: If the ringer volume is set to Off, the Ringer Off icon is displayed.

Silent Mode is on.

Note: If Silent Mode is on, the Silent Mode icon is displayed.

Try This:

  • Adjust the ringer volume level
  • Turn off Silent Mode
  • Log in to My Account and confirm the following feature settings are disabled:
    • Do Not Disturb
    • Call Forwarding No Answer with time duration '0' 
    • Anonymous Call Rejection
    • Call Forwarding Always
    • Remote Office
  • The phone number you have dialed may be restricted from your phone system. Check with your Technical Admin/Service Manager for restricted numbers.

I cannot hear a dial tone.

Likely, your service is not connected to the network, the network is down or the devices are not properly registered.

Try This:

  • Confirm you have Internet connectivity.

It is difficult to have a conversation when in hands-free mode.

The microphone is facing the wrong direction or is obstructed.

Try This:

  • Confirm you are holding the handset properly, and the microphone is not covered or obstructed in any way.

You cannot dial.

Key lock mode is on.

Try This:

  • To cancel the key lock mode, press and hold Lock Mode for 2 seconds.

You cannot use the wireless desk phone during a power failure.

The desk phone will not function during a power failure because it cannot connect to an internet signal.

Try This:

  • Try again when the power is restored.

The time is not correct.

The phone is not receiving the correct time from the server.

Try This:

  • Contact your Service Manager for additional support.

Error Messages related to the Cordless Handset

Error Message

Probable Cause

Register Unit

The wireless desk phone has not been registered.

No Service

The desk phone is not connected to the network.

Try This:

  • Make sure that you have an internet connection.


The called party on an intercom call is rejecting your calls.

Try This:

  • Wait a moment and try again.

No Entries

No items have been stored.

No logs have been stored in the Incoming or Outgoing call log.

Memory Fully

The Phonebook is full and cannot store the new item.

Try This:

  • Remove unnecessary entries in the Phonebook and try again.


Network has been disconnected.



Overlapping IP addresses.


Your phones are not registering to the server.

Try This:

  • Move the wireless desk phone closer to the base unit.

Need Repair

Hardware failure.

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