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Chapter 3 – Using Your Wireless Modem
Multi-Tech Systems, Inc. MultiModem GPRS USB Wireless Modem User Guide 29
Establishing a Voice Call
To establish a voice call:
1. Enter PIN code, if your wireless provider requires one.
a. Type AT+CPIN=1234
b. Responses include:
OK (PIN Code accepted)
+CME ERROR : 16 (Incorrect PIN Code)
+CME ERROR : 3 (PIN already entered [with +CMEE : 1 mode])
2. Initiate a voice call.
a. Type ATD1234; (Note: Don’t forget the semicolon “;” at the end. This stands for voice calls)
b. Responses include:
OK (Communication established)
CME ERROR : 11 (PIN Code not entered [with +CMEE : 1 mode])
CME ERROR : 3 (Operation not allowed)
3. Initiate an emergency call.
a. Type ATD112; (Note: Don’t forget the semicolon “;” at the end. This stands for voice calls)
b. Responses include: OK
4. Hang up.
a. Type ATH
b. Responses: OK