this SIM5218 AT command manual - Cooking Hacks

SIM5218 Serial AT Command Set
4 Call Control Commands and Methods
4.1 AT+CSTA Select type of address
Description
Write command is used to select the type of number for further dialing commands (ATD) according
to GSM/UMTS specifications.
Read command returns the current type of number.
Test command returns values supported by the Module as a compound value.
SIM PIN References
YES 3GPP TS 27.007
Syntax
Test Command
AT+CSTA=
Read Command
AT+CSTA
Write Command
AT+CSTA=
Execution Command
AT+CSTA
Responses
+CSTA:(list of supported s)
OK
Responses
+CSTA:
OK
Responses
OK
ERROR
Responses
OK
Defined values
Type of address octet in integer format:
128 – Restricted number type includes unknown type and format
145 – when dialing string includes international access code character “+”
161 – national number.The network support for this type is optional
177 – network specific number,ISDN format
129 – otherwise
NOTE Because the type of address is automatically detected on the dial string of dialing
command, command AT+CSTA has really no effect.
Examples
SIM5218_Serial _ATC_V1.36 42
5/15/2012