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EPIR3 User Manual v1.3
2.2. Prepare the SIM card
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Place the SIM card in your
mobile phone and disable
the PIN code by following the
appropriate menus on your
mobile phone. This will help
ensure that when you install
the SIM card in the EPIR3 it
will operate correctly.
IMPORTANT RECOMMENDATIONS
• We advise you to choose the same GSM SIM provider for your system as for your mobile phone. This will
ensure the fastest, most reliable SMS text message delivery service and phone call connection.
• For maximum system reliability we recommend you do NOT use a Pay As You Go SIM card. Otherwise, in
the event of insucient credit balance on the SIM card, the system would fail to make a phone call or send
messages.
• We also recommend you to disable call forwarding, voice mail/text message reports on missed/
busy calls. Please contact your GSM provider for more details on these services and how to disable them.
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