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General Information
Telstra accessories and
replacement items
For a full range of accessories and
replacement items for Telstra
products, please call 1300 369 193.
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 Telstra 8850 has a REN of
0.1. A total REN of 3 is allowed, if the
total REN of 3 is exceeded, the
telephone may not ring. With
different telephone types there is not
guarantee of ringing, even when the
REN is less than 3.