Avaya 9103 - Manual (Page 6)

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The telephone number assigned to the line used with
this telephone.
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The Registration Number and the Ringer Equivalence
Number (REN) from the Registration label on the
bottom of the telephone. The REN is useful to
determine how many devices you can connect to your
telephone line and still have them ring when your
telephone line is called. In most, but not all areas, the
sum of all the RENs should be five or less. You may
want to contact your local telephone company.
4 If trouble is experienced, the telephone set should be
unplugged from the network interface to determine if the
telephone set or the telephone line is the trouble source. If
your telephone set is determined to be malfunctioning, it
should not be reconnected until repairs are made.
5 Repairs to this equipment, other than routine repairs, can be
made only by Lucent Technologies or its authorized agents.
6 If a telephone set causes harm to the telephone network,
the local telephone company may temporarily discontinue
your service and, if possible, notify you in advance. If
advance notice is not practical, you will be notified as soon
as possible. You will be given the opportunity to correct the
problem and be informed of your right to file a complaint
with the FCC.
The local telephone company may make changes in its
facilities, equipment, operation, or procedures that could
affect the proper functioning of your equipment. If they do,
you will be given adequate notice in writing to allow you an
opportunity to maintain uninterrupted telephone service.