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Enfora Enabler II-G Assisted GPS
Modem Integration Guide
9. SIM Operation
9.1. Provisioning the SIM
The SIM can support optional features or services. Most operators typically configure the SIM to
send/receive voice calls and to receive SMS; however, some may require an additional tariff to
enable the SIM to send SMS. The transmission of circuit switched and GPRS data are also
additional services that may be required to allow the service:
• Mobile-originated (MO): allows making a service request (such as, making a call or sending an
SMS)
• Mobile-terminated (MT): allows receiving a service request (such as, receiving a phone call or an
SMS)
It is imperative for the Enfora Enabler II-G A-GPS module that the SIM be configured for the optional
services that are required for the application.
9.2. GSM Services Supported by the Enfora Enabler II-G A-GPS Module
The Enfora Enabler II-G A-GPS module supports four GSM services (modes of operation) that must
be enabled by the operator:
• Voice calls (MO and MT): requires a telephone number
• SMS (MO and MT): uses the telephone number for Voice
• Circuit-switched data calls (MO and MT): requires a telephone number
• The GSM SIM can have multiple telephone numbers.
9.3. GPRS Services Supported by the Enfora Enabler II-G A-GPS Module
The Enfora Enabler II-G A-GPS module supports the following GPRS (modes of operation) that must
be enabled by the operator:
• GPRS Packet Connectivity (MO and MT) with Both Dynamic and Static IP option
• GPRS SMS (MO and MT): uses the IP (Dynamic or Static) set by the operator
• Multiple APN Setting
• Quality of Service Options
• Multi-slot 10 Class of Service
MLG0208PB001 45 Version1.01 – 10/3/2006