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