Chapter 11 – V24-V25 Commands

DCE Response Format V

Description: This command specifies the DCE result code format; with or without the header characters <CR><LF> and the use of numeric result codes. Numeric result codes are available for AT commands only. Result codes, both word and numeric, can be suppressed by the ATQ command.

 

 

Unsolicited responses (see Chapter 3) are not affected by the ATV command and will

 

always

 

 

 

be displayed in word format as documented .

 

 

 

Note: The unsolicited response +RING is not affected by the ATV command. The +RING

 

 

response can be formatted by the +CRC command.

Syntax:

 

Command syntax: ATV

 

 

 

Command

Possible Responses

 

 

ATV0

0

 

 

Note: Display result codes as numbers

Note: Command is valid (0 means OK)

 

 

ATV1

OK

 

 

Note: Display result codes as words (Default)

Note: Command valid

Auto-Tests &T

Description: AT&T1 is used to perform audio loop back in the current audio path. This command can be used to validate the audio loop.

Values:

<num>

 

 

0: Not defined; returns OK.

 

1: Audio loopback on for current path.

 

2: Audio loopback is off.

Syntax:

Command syntax: AT&T<num>

 

Command

Possible Responses

 

 

 

 

AT&T1

OK

 

 

Note: Audio loopback is on.

 

 

 

 

AT&T2

OK

 

 

Note: Audio loopback is off.

 

 

 

Echo E

Description:

This command is used to determine whether or not the modem echoes characters received

 

by an external application (DTE).

 

Syntax:

Command syntax: ATE

 

 

Command

Possible Responses

 

 

 

 

ATE0

OK

 

Note: Characters are not echoed

Note: Done

 

 

 

 

ATE1

OK

 

Note: Characters are echoed

Note: Done

 

 

 

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

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