GSM Services
Basic services allow users to send and receive different types of information. An example of basie service may be sending and receiving SMS messages. Supplementary services are optional services activated on subscriber’s request by network operator. An example of supplementary service may be GPRS that is General Packet Radio Service. Subscriber must additionally pay for the service. Basic:
-Telephony service -Emergency calls -Sms service -Fax service
Supplementary service -Cali forwarding -Cali barring -Multiparty calls -Calling linę identification
The basie services are divided into Bearer services and Teleservices.
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