Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 181 12/24/2010
Reference Note
8.2.13 AT+CDNSCFG Configure Domain Name Server
AT+CDNSCFG Configure Domain Name Server
Response
+CDNSCFG: ("Primary DNS"),("Secondary DNS")
OK
Test Command
AT+CDNSCFG=
?
Parameter
See Write Command
Response
PrimaryDns: <pri_dns>
SecondaryDns: <sec_dns>
OK
Read Command
AT+CDNSCFG?
Parameter
See Write Command
Response
OK
ERROR
Write Command
AT+CDNSCFG=
<pri_dns>,[<sec_
dns>]
Parameters
<pri_dns> a string parameter(string should be included in quotation
marks) which indicates the IP address of the primary
domain name server
<sec_dns> a string parameter (string should be included in quotation
marks) which indicates the IP address of the secondary
domain name server
Reference Note
8.2.14 AT+CDNSGIP Query the IP Address of Given Domain Name
AT+CDNSGIP Query the IP Address of Given Domain Name
Test Command
AT+CDNSGIP=
?
Response
OK
Write Command
AT+CDNSGIP=
<domain name>
Response
OK
ERROR