Reporting a Telephone Fault

Checking your line before reporting a fault

Landline faults do happen. Before contacting your provider, it is worth running through a few basic checks. By following these steps, you may resolve the issue without needing to wait for provider support, and you can avoid an unnecessary callout charge if the problem turns out to be with your own equipment rather than the line itself.

Start by confirming that your telephone is properly connected. Check that the cable is firmly plugged into the socket and that any power adapters for cordless phones are switched on at the wall. If you have a combined landline and broadband connection, make sure any filters or splitters are correctly fitted, as these can affect your phone signal. A loose connection or a tripped socket can easily mimic a line fault.

Try plugging your phone into the master socket. This is usually the main box where the line enters your property, often found in the hallway. Many BT-style master sockets have a removable front panel that you can unscrew to access a test socket behind. Plug your phone directly into this test socket. If you get a dial tone there but not from your extension sockets, the fault is likely within your internal wiring rather than the external line. Be aware that some newer installations, particularly those using fibre technology, may have different socket arrangements.

If possible, test a different phone in the same socket. Borrowing a handset from a neighbour or using a simple corded phone can help rule out a faulty telephone. Cordless phones depend on their base unit to communicate with the handset, so if the base station has a fault, your line may appear dead even when it is working normally.

Listen for any sounds when you pick up the receiver. Complete silence, crackling, or an unusual hum can all indicate different types of fault. Make a note of what you hear, as this information may be useful when you speak to your provider.

Contacting your telephone provider

Once you have established that the fault is unlikely to be with your own equipment, the next step is to report it to your service provider. This will usually be the company that bills you for your landline, whether that is BT, Virgin Media, TalkTalk, Sky, or another provider.

If your landline is not working, you will need to use an alternative method to get in touch. A mobile phone is the most straightforward option. Most providers have dedicated fault reporting numbers, and many also allow you to report problems through their website or mobile app. Check your latest bill or your provider's website for the most up-to-date contact details.

When you call, be ready to describe the fault clearly. Mention what checks you have already carried out, what sounds you hear when you lift the receiver, and whether the problem affects incoming calls, outgoing calls, or both. The more detail you can provide, the easier it will be for the provider to diagnose the issue.

Your provider may run remote tests on your line while you are on the call. In some cases, this can identify and resolve the fault without the need for an engineer visit. If a visit is required, you will usually be given a time slot and an indication of whether charges may apply.

Your situation may be slightly different. ask a question below ↓ and our editorial team will reply with our advice.

What happens next

If the fault lies with the external line or the exchange, your provider is responsible for the repair. For most UK providers, this work is carried out by Openreach, the company that maintains the telephone network infrastructure. However, some providers such as Virgin Media operate their own networks and handle repairs independently. You do not need to contact the network operator directly, as your provider will arrange the repair on your behalf.

Repairs to external faults are generally free of charge, though you should review your contract to check for any provider-specific terms. If an engineer finds that the problem is within your property, perhaps caused by internal wiring or your own equipment, you may be asked to pay for the visit. Some providers offer optional cover plans that include internal repairs, so check whether you have this in place.

Repair times can vary depending on the nature of the fault. Simple line issues are often fixed within a day or two, while more complex problems may take longer. Your provider should keep you informed of progress and let you know when the fault has been resolved.

If you are unhappy with the response

If your provider fails to fix the fault within a reasonable time, or if you are unhappy with how your complaint has been handled, you have the right to escalate the matter. Ask your provider for a deadlock letter or wait eight weeks from your initial complaint, then contact an alternative dispute resolution scheme.

The majority of UK telecom providers are members of either the Communications Ombudsman or the Communications and Internet Services Adjudication Scheme. These bodies can investigate complaints and, where appropriate, order compensation or other remedies. Details of which scheme your provider belongs to should be available on their website or on your bill.