Chapter 17 – Extended AT Commands in IS707.3

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?

+MV18S: 0, 0, 0

 

Note: Display the current setting.

OK

 

 

Note: Command is valid

 

AT+MV18S=1,1,1

OK

 

Note: Set mode value to 1.

Note: Command is valid

 

AT+MV18S?

+MV18S: 1, 1, 1

 

Note: Display the current setting.

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?

+CXT: 0

 

Note: Display the current setting.

OK

 

 

Note: Command is valid

 

AT+CXT=?

+CXT: (0-1)

 

Note: Display the range of setting.

OK

 

 

Note: Command is valid

 

AT+CXT=1

OK

 

Note: Enable extension.

Note: Command is valid

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C

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Multi-Tech Systems CDMA Wireless Modem manual Selection +MV18S, Cellular Extension +CXT, Dfltansmode, Fbktimeenable