Ericsson T18s User Manual page 85

phone. Messages are stored if the phone is off or out of reach ensuring that
they reach you. To use this service, it must be supported by your network.
SIM card. Subscriber Identity Module card – a card that must be inserted in
any GSM-based mobile phone. It contains subscriber details, security infor-
mation and memory for a personal directory of numbers. The card can be a
small plug-in type or credit card sized but both types have the same function-
ality.
SMS. See "Short Message Service ".
Subscription is the contract that you have with the service/network provider.
To use your phone, you need to have a subscription to a network. You get a
SIM (Subscriber Identity Module) card with your subscription. The services
included in your subscription depend on your choice of operator and/or sub-
scription. So some of the services and functions described in this manual may
not be accessible to you. If you want a complete list of the services included in
your subscription, please contact your network operator.
Glossary 85