No Dial Tone

No Dial Tone Troubleshooting

If your service has no dial tone, follow the step below to see if the service can be restored.

Isolation Test

We will need to isolate the line and leave only 1 phone connected to the line. If you are unsure how to perform a Telephone Isolation test see the Telephone Isolation Test Guide


To perform an isolation test please disconnected all telephone devices from all telephone sockets within the entire premises. This includes spare rooms, garages, living room etc.


Examples of Telephone Devices

  • Phone
  • Fax
  • Answering Machine
  • ADSL/Dial-Up Modems
  • ADSL Filters
  • Back to Base Alarm
  • Medi Alarm
  • Phone Surge protection units
  • Extensions cables


Once all devices are removed connect 1 telephone device to the phone socket and check for dial tone.


Check alternate phone socket

If no dial tone persists after a full Isolation test we can try the phone in a different phone socket. It is best to try all phone sockets just in case some of the wiring within the property is faulty.

Tip: Remember to consider all socket locations such as a granny flat or a garage.

Please connect your telephone handset to another phone socket in the house and test if No Dial Tone persists. Repeat this process for each Telephone socket in your house.


Check alternate phone cable

If all sockets give no Dial Tone it could be the phone cable which is faulty. Please test with an alternate phone cable to see if the cable is faulty.


Try an alternate handset

In some cases the phone handset may have become faulty. Sometimes the phone can be faulty even though it doesn’t look like it.

Please test an alternate handset to see if your phone has failed.

If the No Dial Tone fault persists after trying an Isolation test, alternate phone socket, cable and handset there is likely a fault with the cables in the street.


Please call Primus Technical support to log a no dial tone fault.