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6170 BT Prelude 20 UG [2]
Technical information
16
How many telephones can you have?
All items of telephone equipment have a Ringer Equivalence Number (REN), which is
used to calculate the number of items which may be connected to any other telephone
line. Your BT Prelude phone has a REN of 1. A total REN of 4 is allowed. If the total REN
of 4 is exceeded, the telephone may not ring.
With different telephone types there is not guarantee of ringing, even when the REN is
less than 4.
BT accessories and replacement items
For a full range of accessories and
replacement items for BT products please
call 0870 240 5522,
or visit:
All manuals and user guides at all-guides.com
14/6/04
3:34 pm
BT Prelude 20 Headset – Edition 2 – 14.06.04 – 6170
Page 16
For your records
Date of purchase:
Place of purchase:
Serial number:
For guarantee purposes proof
of purchase is required so please
keep your receipt.
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