BT 310 - Manual (Page 23)

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Decor 310 ~ 5th Edition ~ 26th November ’01 ~ 3736
22
If you have any difficulty using your
Decor 310, look in this section first for
solutions to the most common problems.
No dialling tone
Make sure the telephone line cord is
plugged into the telephone socket at the
back of the unit and that the telephone
line cord is connected to your wall socket.
Check that no other extension is in use.
Display screen not functioning
properly or goes blank
Check whether the battery is fitted
correctly.
Caller Display messages not being
received
To be able to receive and display
messages, you must subscribe to the
Caller Display Service from your
Network Provider.
Phone does not ring
Check that the ringer is not switched off
on your Decor 310.
Check that no other connected phones
are off the hook.
Check whether you have too many
phone extensions in your home or
office. For help with this, please refer
to the ‘Technical information’ section on
page 24.
NO NUMBER displayed
Your Decor 310 checks the content of
the Caller Display messages it receives.
If it detects a problem with a message,
it displays NO NUMBER rather than
risk leaving a message with a possible
mistake. This does not mean your
telephone is faulty.
If you continually receive NO NUMBER
messages, call:
Freefone 0800 800 150 for residential
customers.
Freefone 0800 800 152 for business
customers.
Or your Network Service Provider.