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•Is the handset registered correctly to the base, see page 29.
•Check that the mains power is correctly connected.
•Check that the handset is within range of the base.
•The batteries are low, place the handset on the base/charger to recharge.
You hear the busy tone when you press 
.
•Make sure the handset is in range of the base.
•Another handset registered to your BT Graphite 2100 base may be on the line.
No Caller Display number/name displayed
•Have you subscribed to a Caller Display service from your network provider, see page 23.
•The caller may have withheld their number.
•An exact name/number match was not found in your directory. Check that you have stored the full STD dialling code.
Cannot register a handset to a base
•You can register a total of up to 5 handsets to your BT Graphite 2100 base. Check that you have not exceeded the limit.
•Check that you have entered the correct PIN number (default PIN 0000).
•Check that you are at least one metre away from other electrical equipment to avoid interference when registering.
Base unit does not ring, but the lights are on
•Have you connected the telephone line correctly?
•Is the base ringer set to off?
•You may have a faulty line or socket. Try using another socket or line. Call BT on 151 if you still experience problems.
If you experience any problems, please call the Helpline on Freephone 0808 100 6556* or visit www.bt.com/producthelp