Operation Manual

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Picture 31Using HyperTerminal dial number
D. The AT Command for Hang up is “AT+CHUP”.
Picture 32Hand up phone call
4.4 How to check module information and SIM card status
A. Put SIM/USIM Card which supports voice service into EVB board.
a) Open the HyperTerminal, configuration same as Picture 19 and 20.
B. Type “ATI”, shows module information; type “AT+CPIN?” shows SIM Card Status.