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BT Telephone Engineer Brentwood


How to test your telephone line

If you’re having problems with your telphone line, whether a noisy line or
you have no dial tone, use the following quick tests to help identify
where your problem lies.

If a BT Openreach Telephone engineer is scheduled for a visit and
your problem is deemed to be related to your own equipment or internal wiring, charges in excess of £120 for the visit and £70 an hour may be applied by your service provider.

In the very first instance of experiencing problems with your line, check the following basics with your own telephone equipment

Are any of your telephones off the hook?
Look at the telephone cables and any power cables – are they securely plugged in?
Check Microfilters are installed into the telephone socket where required.
For cordless telephones, please make sure the battery is charged.
If all of the above checks test ok, unplug the telephone that you are having problems with and try another telephone in the same telephone socket. If your problem goes away, then your telephone is at fault. If your problem persists, continue to step 3.
Connect your telephone into the MASTER TEST SOCKET. If possible, use a corded telephone as opposed to a cordless base station. When testing at the TEST socket, all other telephone equipment should be removed from the telephone socket – including Microfilters, doublers any other extension wiring.Your Test socket can be found behind the Master Telephone Socket Faceplate. This telephone socket is the point where your telephone line enters from outside into your property. In most residential dwellings, this is often towards the front of your property. The latest Master sockets will have either the BT Piper logo or Openreach logo on the top left corner.
Remove the 2 small screws on the Master Telephone Socket Faceplate, The master telephone socket may have a BT logo on the top hand corner of the faceplate and will be the only socket with the TEST socket behind.
Carefully take out the bottom half of faceplate.
On the right hand side beneath the face plate you should now be able to see the TEST telephone socket.
Plug your telephone into the TEST socket.
If after testing from your TEST socket you telephone now works, you may have a problem with your internal wiring.

If after carrying out the above tests you are still experiencing problems, please contact me on 01277 287 077 – 07882 691 192 and I will be happy to assist you further.


Basic Slow Broadband Checklist


Things in the home

Wireless / Wi-Fi—If you are using a ‘wireless’ connection for your broadband (e.g. your laptop connects to your broadband router using a Wi-Fi connection), the distance from the wireless router/access point can make a difference to the speed you are getting.

If you are two metres away from your router, you will likely have a faster connection than if you are 20 meters away.

You will also find that walls and ceilings/floors will affect the signal as well, especially in some older buildings. In some circumstances, you might find that being too close to a router (e.g. under 2 metres) and actually reduce speeds so it is worth testing in slightly different locations.
The speed of a wireless/Wi-Fi connection will depend on the protocol used; some older protocols (e.g. 802.11b) are much slower than the latest (e.g. 802.11n) and if you’re on a superfast broadband connection, the wireless speed can be slower than your broadband connection speed, even if your laptop is right next to the router. It’s worth considering using an Ethernet cable connected directly to the router when running a speed test.

Wireless interference

—Interference from different wireless networks can also reduce your speed, particularly if they are operating on the same channel. If you have a choice of using 2.4GHz or 5GHz wireless, it can be beneficial to use 5GHz if you can receive strong signal everywhere you need it as this band is generally less crowded and the signal does not travel as far, so you should see less interference in this band.

If you live in an urban area, it is common to find over 20 wireless networks competing for the same wireless spectrum and it may be worth considering using Ethernet cables if you find the wireless signal poor.

Electrical interference

—Electrical interference inside your home can affect the speed and stability of your broadband connection. This can commonly cause your ADSL connection to re-sync resulting in both a speed reduction at times, as well as a brief break in service.

The cause can be any electrical device (even a neighbour’s device) but common causes include boilers switching on.

You can minimise the effects of this by ensuring that you use high quality telephone extension cabling, or disconnecting extensions altogether at the master socket.


—ADSL broadband services require you to fit a ‘microfilter’ to every device which attaches to a phone line (or in some cases you may have a ‘faceplate filter’ on the master socket which filters all extensions).

This means phones, faxes, answering machines, Sky+ boxes and anything else with a connection to the phone line.

If you forget to install a microfilter on each extension, you are likely to have significant problems with your broadband connection, although it may work fine at times.

A faulty microfilter may exhibit the same effects as a microfilter not being present so it can be worth disconnecting all other devices and extensions if you are diagnosing a problem.

Speed of your computer

—Some older computers will struggle to keep up with modern super-fast broadband connections; this may be due to the age of the computer, or due to the amount of software installed. You may be able to upgrade the computer or remove unused software. Consult your local IT support service for advice.

Other users in the household

—If you share your broadband with other users in the household, your bandwidth (the speed available) will also be shared across all the users.