Phone Line Theft

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    Phone Line Theft
    In most cases, the telephone cabling used in residential property is cabling known as "two pair" cabling. This cabling consists of four wires, ranging in colours depending on the countries standards. 
    In Australia, the wires are blue, white, red and black. Blue and white are pair one, while red and black are pair two. 
    In America (as far as I am aware), the cable consists of green, yellow, red and black wires. I assume that the green and yellow are pair one, while red and black are pair two. I am not sure about the rest of the worlds colour coding.
    In most cases, a single home or apartment will only be using one of these pairs now, do you think you can use this to your advantage? Of course you can.
    First things first, make a beige box (read on, you may not need one). To achieve this: 
    1.Take the headset of a corded phone and cut the end of the wire off (the end at the phone, not the headset). 
    2.Use a pair of side cutters to strip the rubber protective coating from the cable
    3.Now, find pair one (generally the two wires in the centre of a flat wire or refer to the colour codes above). 
    4.Strip the pairs back to the copper
    5.You now have a beige box.
    Get yourself access to a pillar, rim or if in an apartment block, the telecommunications room. Here you will see a bunch of frames with telephone cables running to them. Check the records for a victim or alternatively, use your beige box to find a victim. To do this:
    1.Take the two stripped pairs
    2.Connect them to one line at a time (both pairs). Make sure that the copper is making connection with line and do not short the pairs out!
    3.Listen to the headset for a dial tone
    4.Congratulations, you have just found your first victim!
    Now, determine your line. If you are lucky, the telephone technician will keep the records up to date. Just check the records for your line. If the records are out of date, or not there at all, you will have to determine your line manually. I personally use an f-set to identify my line. Chances are you do not have access to an f-set. If this is the case, use a multimeter. To do this:
    1.Short out your line from within your house/apartment
    2.Set the multimeter to beep on continuity
    3.Go to the frame
    4.Test each line by connecting one probe from the multimeter to one wire and the other probe to the other wire (of a pair). When you hear a beeping sound, you have found your line...or another shorted out line.
    Alternatively, if you do not have either of the above, just take your phone off the hook and play your favourite CD. Test each line with your beige box (the same way that you found your victim), you will find the line.
    Once you have found your line, you will need to run a jumper (just a pair of wires) from the victim's line to your secondary pair (double over the victim's jumper). Use a krone tool or soldering iron (depending on the frame type) to ensure the jumper wire does not slip.
    Now, go back to your apartment/house and go to the FIRST phone socket in the house. It is necessary to use the first phone socket as most of the time the secondary line isn't wired up from here. Now wire up a new socket with the secondary pair (keep the first socket wired up as your own too, just add a new one). You now have a free line.
    Note: The best way to NOT get caught doing this is to find out your victim's billing period. Search their trash, steal their mail, hell, pretend to be calling from a call centre and social engineer it out of them, just do whatever it takes. Connect the line at the beginning of the billing period and disconnect it at the end of the billing period, then select a new victim.
    Have fun with it, but do not get yourself caught!
    - Article written by haZed.