Configuration string +cfg, Query service +cad, Interface data compression reporting +cdr – Multi-Tech Systems CDMA Wireless Modem User Manual

Page 140

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Chapter 17 – Extended AT Commands in IS707.3

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

140

Configuration String +CFG

Description: The string command is used to set configuration string. The string will be stored by the DCE

and sent to the base station prior to dialing. Each transmission of an AT+CFG command
from DTE replaces the contents of the previous string. The string may be up to 248
characters in length.


Syntax:

Command syntax: AT+CFG=<string >

Command

Possible Responses

AT+CFG?
Note: Display the current setting.

+CFG: “”
OK

AT+CFG=””
Note: Reset the configuration string.

OK
Note: Command is valid

AT+CFG=”data”
Note: Set the configuration string.

OK
Note: Command is valid

Query Service +CAD

Description: The numeric parameter is used to query analog or digital service.

Values:

The command should return one of the following codes:

0: If no service is available
1: If CDMA digital service is available
2: If TDMA digital service is available
3: If analog service is available (values 4 to 255 reserved)


Syntax:

Command syntax: AT+CAD

Command

Possible Responses

AT+CAD?
Note: Display the current service.

+CAD: 1
OK
Note: Command is valid

U

m

Interface Data Compression Reporting +CDR

Description: The extended-format numeric parameter is used to control whether the extended-format

+CDR: intermediate result code is transmitted by the DCE. The result code is the same as
for the TIA/EIS/IS-131 +DR:<result code>.


Values:

<val>

0: Disable reporting.
1: Enable reporting.


Syntax:

Command syntax: AT+CDR=<val>

Command

Possible Responses

AT+CDR?
Note: Display the current code

+CDR: 0
OK
Note: Command is valid

AT+CDR=1
Note: Reporting enabled

OK
Note: Command valid

AT+CDR=?
Note: Display the range of code

+CDR: (0-1)
OK
Note: Command is valid

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