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9.6 Additional Caller Display information
If you have subscribed to Caller Display, you will see a text message if the number of
your caller is not available.
The text message will be one of the following:
WITHHELD:
The caller has stopped their number from being sent.
INTERNATIONAL:
The call received was from outside the UK.
UNAVAILABLE:
The caller’s exchange/network does not offer a Caller Display
Service.
OPERATOR:
The call has come via the operator.
PAYPHONE:
The caller is ringing from a payphone.
RINGBACK:
The exchange is ringing to let you know that a previously engaged
number is free.
NO NUMBER:
If your TextLink Textphone does not recognise the information
contained within the caller display message, it will not show a number.