Chapter 17 – Extended AT Commands in IS707.3
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 139
V.18 Selection +MV18S Description: The extended-format numeric parameter is used to control the manner of operation of the
V.18 capabilities (if present) in the DCE.
Values: <mode>
0: Disables V.18 connection
1: V.18 operation, auto detect mode
2: V.18 operation, connection in 5-bit mode
3: V.18 operation, connect in DTMF mode
4: V.18 operation, connect in EDT mode
5: V.18 operation, connect in V.21 mode
6: V.18 operation, connect in V.23 mode
7: V.18 operation, connect in Bell 103-type mode
<dflt_ans_mode>
0: disables V.18 answer operation
1: no default specified (auto detect)
2: V.18 operation, connect in 5-bit mode
3: V.18 operation, connect in DTMF mode
4: V.18 operation, connect in EDT mode
<fbk_time_enable>
0: disable
1: enable
Syntax: Command syntax: AT+MV18S=[<mode>[,<dflt_ans>[,<fbk_time_enable>]]]
Command Possible Responses
AT+MV18S?
Note: Display the current setting.
+MV18S: 0, 0, 0
OK
Note: Command is valid
AT+MV18S=1,1,1
Note: Set mode value to 1.
OK
Note: Command is valid
AT+MV18S?
Note: Display the current setting.
+MV18S: 1, 1, 1
OK
Note: Command is valid
Cellular Extension +CXT Description: The numeric parameter is used for cellular extension.
Values: <Val>
0: Do not pass unrecognized commands to the IWF
1: When detecting an unrecognized AT command, open transport layer connection and
pass unrecognized command to the IWF.
Syntax: Command syntax: AT+CXT=<Val>
Command Possible Responses
AT+CXT?
Note: Display the current setting.
+CXT: 0
OK
Note: Command is valid
AT+CXT=?
Note: Display the range of setting.
+CXT: (0-1)
OK
Note: Command is valid
AT+CXT=1
Note: Enable extension.
OK
Note: Command is valid