GM29 INTEGRATOR’S MANUAL
156
LZT 123 7361 R1A
11.7 AT*EPNW Ericsson Write SIM Preferred Network

This command is used to edit the SIM preferred list of networks

(EFPLMNSEL). The entry field <oper> contains mobile country code

(MCC) and mobile network code (MNC).

11.8 AT*E2SSN Ericsson M2M SIM Serial Number

This command requests the SIM serial number held in the ICCid field

(address 2FE2) on the SIM and returns all valid characters to the TE.

This field is detailed in GSM 11.11 section 10.1.1.

Description Command Possible Responses
Write/delete entries in
SIM preferred list
AT*EPNW=[<index>]
[,<format>,<oper>]
•+CME ERROR: <err>
•OK
•ERROR
Test if the command is
supported and list the
possible settings
AT*EPNW=? *EPNW: (list of
supported
<index>s), (list of
supported
<format>)s
•+CME ERROR: <err>
•OK
•ERROR
<index> Description
Integer Index to entry in SIM preferred list.
The SIM preferred list contains at least 8 positions
according to GSM 11.11
<format> Description
2Numeric <oper>
<oper> Description
String String indicates the code for the operator.
E.g. GSM – Sweden - Europolitan: “24008” (3 + 2).
PCS: 3 digits for country and 3 digits for network
Description Command Possible Responses
Request SIM Serial
number
AT*E2SSN? *E2ESSN: <SSN>
Shows if the command
is supported
AT*E2SSN=? •OK
•ERROR
<SSN> Description
String without
double quotes
SIM serial number