Specifications

Chapter 11 – GPRS Commands
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 162
11.15 AT^SGAUTH Set Type of Authentication for
PPP Connection
Test Command Syntax: AT^SGAUTH=?
Response: ^SGAUTH: (list of supported <auth>s)
OK
ERROR
+CME ERROR
Read Command Syntax: AT^SGAUTH?
Response: ^SGAUTH: <auth>
OK
ERROR
+CME ERROR
Write Command Syntax: AT^SGAUTH=<auth>
Response: OK
ERROR
+CME ERROR
Parameter Descriptions:
<auth> Indicates types of supported authentication.
0 none
1 PAP
2 CHAP
3 PAP and CHAP. Default
11.16 AT^SGCONF Configuration of GPRS-Related
Parameters
Test Command Syntax: AT^SGCONF=? Several changes in text in this command
Response: ^SGCONF : (list of supported <llc_pdu_length>_U>s), (list of supported
<llc_pdu_length>_I>s), (list of supported <GPRS msclass>es), (list of supported <EGPRS
msclass>es)
OK
Read Command Syntax: AT^SGCONF?
Response: ^SGCONF: <llc_pdu_length_U>, <llc_pdu_length>_I>, <GPRS msclass>, <EGPRS
msclass>
OK
Write Command Syntax: AT^SGCONF=[<llc_pdu_length_U>][, [<llc_pdu_length>_I>][, [<GPRS
msclass>][<EGPRS msclass>]]]]
Response: OK
ERROR
+CME ERROR
Parameter Descriptions:
<llc_pdu_length_U>
The maximum number of octets in an information field of Unnumbered (U) frames.
0 No negotiation with network (500 will be used)
140...1520 Lower values diminish performance. 1520 is the powerup default.
<llc_pdu_length_I>
The maximum number of octets in an information field of Combined (I) frames.
0 No negotiation with network (500 will be used)
140...1520 Lower values diminish performance. 1520 is the powerup default.
<GPRS msclass>
GPRS Multislot Class. The parameter can be changed only when the MT is detached; otherwise, “CME ERROR:
operation temporary not allowed” will be returned. The value can be one of the classes indicated with the Test
command. The value set is volatile and powerup value is the maximum allowed.
<EGPRS msclass>
EGPRS Multislot Class. The parameter can be changed only when the MT is detached; otherwise, “CME
ERROR: operation temporary not allowed” will be returned. The value can be one of the classes indicated with
the Test command. The value set is volatile and powerup value is the maximum allowed.
Notes:
• +CME ERROR: invalid index: Parameter is out of range
• +CME ERROR: operation temporary not allowed: The command is blocked as long as GPRS is already in use
(as long as mobile is GPRS attached).
• Writing to user profile with AT&W and restoring with AT&F are not supported.