Operation Manual
If you need some help, call us on 0800 218 2182* or go to bt.com/producthelp 
Help 53
No display 
•  The batteries may be flat, dead or incorrectly inserted. 
•  Recharge or replace the batteries.
Range icon flashes 
•  Make sure the handset is registered to the base, see page 48. 
•  Check that the mains power is correctly connected to the base.
•  Check that the handset is within range of the base. 
•  If 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 BT1100 base may be on the line and 
Auto Join is switched off, please see page 38. 
No Caller Display number/name displayed 
•  Have you subscribed to a Caller Display service from your network provider? 
See page 32. 
•  The caller may have withheld their number.
•  Network may not have the callers number information.
•  An exact name/number match was not found in your contacts. Check that you’ve 
stored the full STD dialling code. 










