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SIM900 AT Command Manual

SIM900_AT Command Manual_V1.03 182 12/24/2010

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> 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,

12 DNS NO SERVER ADDR,

13 DNS NO MEMORY,

14 DNS INVALID NAME,

15 DNS INVALID RESP,

There are some other error code as well.

Reference

Note

8.2.15 AT+CIPHEAD Add an IP Head at the Beginning of a Package Received

AT+CIPHEAD Add an IP Head at the Beginning of a Package Received

Response

+CIPHEAD: (list of supported <mode>s)

Test Command

AT+CIPHEAD=

Parameter

See Write Command

Response

+CIPHEAD: <mode>

Read Command

AT+CIPHEAD?

Parameter

See Write Command

Write Command

AT+CIPHEAD=

<mode>

Response

ERROR

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Elec Freaks Bluetooth Modem Spécifications Page 182