Specifications

ISU AT Command Reference Command Overview

Iridium Proprietary Version 2.45

20 June 2011 10

ATX;&V;+GSN;+CMEE=?;+CPBR=1,12;-MSVTR? (semicolon separators)

ATX&V+GSN+CMEE=?+CPBR=1,12-MSVTR? (no separators)

3.6 Command Responses

A result code is sent to the DTE in response to the execution of a command. It may also occur unsolicited

from other conditions such as an incoming call (e.g., RING). Responses returned as a result of a query are

called information responses.

Result codes can be represented by text if the ISU is in verbose mode or with numbers if in numeric mode.

The command ATVn informs the ISU whether to respond in verbose or numeric mode. Further note that

responses can be suppressed with by setting the command ATQn to ATQ1. Table 3-1 below shows the

difference in format between these modes.

Table 3-1: Result Code Response Format

Numeric Mode

ATQ0 ATV0

erbose Mode

ATQ0 ATV1

Result codes

<NUMERIC_CODE><CR> <CR><LF><VERBOSE_CODE><CR><LF>

Information Responses

Command entries with invalid syntax typically respond with ERROR. Command entries of valid syntax

with an out-of-range parameter can respond in one of three following manners:

 Disallow out-of-range entry and respond with ERROR

 Disallow out-of-range entry and respond with OK

 Disallow out-of-range entry, accept the closest in-range value, and respond with OK