Rhydo SIM 900 SIM 900 -TTL UART Specifikace stáhnout pdf (Strana 179)

SIM900 AT Commands Set

SIM900_ATC_V1.01 179 23.06.2010

Test Command

AT+CDNSCFG=

Response

+CDNSCFG: (“Primary DNS”),(“Secondary DNS”)

Read command

AT+CDNSCFG?

Response

PrimaryDns: <pri_dns>

SecondaryDns: <sec_dns>

Write Command

AT+CDNSCFG=

<pri_dns>,[<sec_

dns>]

Response

ERROR

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

Write Command

AT+CDNSGIP=

Response

ERROR

If successful, return:

+CDNSGIP: 1, <domain name>,<IP>

If fail, return:

+CDNSGIP:0,<dns error code>

Parameters

<domain name> a string parameter(string should be included in

quotation marks) which indicates the domain name

<IP address> a string parameter(string should be included in

quotation marks) which indicates the IP address

corresponding to the domain name

<dns error code> a numeric parameter which indicates the error code

10 DNS GENERAL ERROR

11 DNS MAX RETRIES,

1 2 ... 174 175 176 177 178 179 180 181 182 183 184 ... 200 201

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