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V.250 AT COMMANDS

43 AT Commands for EV-DO-EV3 Modems

DTE – Modem Character Framing +ICF

Set command defines the asynchronous character framing used.

Read command returns current parameters.

Test command returns value ranges for parameters.

Syntax

Command Command type

AT+ICF=[<format>[,<parity>]] Set

AT+ICF? Read

AT+ICF=? Text

Parameters and Values

This device supports the following values:

<format> Determines the number of bits in the data bits, the presence of a parity bit, and

the number of stop bits in the start-stop frame.

3 8 Data, 1 Stop Default: 3.

<parity> If present, this subparameter has no meaning.

Notes

 The EV3 supports only 8 Data, 1 Stop character framing.

 Reference: V.25ter.

Example

AT+ICF=3 - 8N1

AT+ICF=?

+ICF: (0-3),(0-2)

Call Control

Dial D

Execute command starts a call to the phone number given as parameter.

If “;” is present, a voice call to the given number is performed, regardless of the current value of the connection

mode set by +FCLASS command.

Syntax

Command Description

ATD<number>[;] <number> Phone number to be dialed.

ATD><str>[;] Issues a call to phone number which corresponding alphanumeric

field is <str>; all available memories are searched for the correct

entry.

If “;” is present a voice call is performed.

<str> - alphanumeric field corresponding to phone number; it must

be enclosed in quotation marks. Parameter <str> is case sensitive.

Note: Used character set is the one selected with +CSCS.

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Multitech CDMA Guía de usuario Pagina 43