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Glossary
Line Identification Services
(Caller ID)
Service allowing subscribers to
view or block the telephone
numbers of callers.
Conference Calls
Ability to establish a conference
call involving up to five additional
parties.
Phone Password
Security code used to unlock the
phone when you have selected the
option to lock it automatically each
time it switches on.
Roaming
Use of your phone when you are
outside your home area (when
traveling for example).
SDN (Service Dial Number)
Telephone numbers supplied by
your network provider and giving
access to special services, such
as voice mail, directory inquiries,
customer support and emergency
services.
SIM
Card containing a chip with all the
information required to operate
the phone (network and memory
information, as well as the
subscriber’s personal data). The
SIM fits into a small slot on the
back of the phone and is protected
by the battery.