+NETOPEN: <net_state>

 OK

If the PDP context has not been activated or the network closed abnormally, response:

OK

 +NETOPEN: <err>

when the PDP context has been activated successfully, if you execute AT+NETOPEN again,

+IP ERROR: Network is already opened ERROR

other:

ERROR

Integer type, which indicates the state of PDP context activation.

0     network close (deactivated)

1     network open(activated)

AT+NETOPEN

OK

+NETOPEN: 0

AT+NETOPEN?

+NETOPEN: 1

OK

If the PDP context has been activated, response:

OK

+NETCLOSE: <err>

If the PDP context has not been activated, response:

+NETCLOSE: <err>

ERROR

other:

ERROR

AT+NETCLOSE

OK

+NETCLOSE: 0

+CIPOPEN: (0-9),(“TCP”,”UDP”)

 OK

+CIPOPEN: <link_num> [,<type>,<serverIP>,<serverPort>,<index>]

+CIPOPEN: <link_num> [,<type>,<serverIP>,<serverPort>,<index>] […]

OK

If a connection identified by <link_num>has not been established successfully,

+CIPOPEN: <link_num> will be returned

TCP connection

W) AT+CIPOPEN=<link_num>,”TCP”,

<serverIP>,<ser verPort>,[,<localPort>]

if PDP context has been activated successfully, response:

OK

 +CIPOPEN: <link_num>,<err>

when the <link_num> is greater than 10, response：

+IP ERROR: Invalid parameter

ERROR

If PDP context has not been activated, or the connection has been established,

or parameter is incorrect, or other errors, response:

+CIPOPEN: <link_num>,<err>

ERROR

Transparent mode for TCP connection:

When you want to use transparent mode to transmit data, you should set AT+CIPMODE=1

before AT+NETOPEN. And if AT+CIPMODE=1 is set,

the <link_num> is restricted to be only 0.

if success

CONNECT [<text>]

if failure

CONNECT FAIL

other:

ERROR

UDP connection

W) AT+CIPOPEN=<link_num>,

”UDP”,,,<localPort>

if PDP context has been activated successfully, response:

+CIPOPEN: <link_num>,0

 OK

when the <link_num> is greater than 10, response：

+IP ERROR: Invalid parameter

 ERROR

If PDP context has not been activated, or the connection has been established, or parameter is

incorrect, or other errors, response:

+CIPOPEN: <link_num>,<err> ERROR

Transparent mode for UDP connection:

When you want to use transparent mode to transmit UDP data, you should set AT+CIPMODE=1

before AT+NETOPEN. And if AT+CIPMODE=1 is set, the <link_num> is restricted to be only 0.

<serverIP> and <serverPort> should be set if AT+CIPMODE=1.

 if success

CONNECT [<text>]

 if failure

CONNECT FAIL

 Other:

ERROR

Integer type, identifies a connection. Range is 0-9.

If AT+CIPMODE=1 is set, the <link_num> is restricted to be only 0.

String type, identifies the type of transmission protocol.

TCP     Transmission Control Protocol

UDP     User Datagram Protocol

String type, identifies the IP address of server. The IP address format consists of 4 octets separated

by decimal point, like ”AAA.BBB.CCC.DDD”. Also the domain name is supported here.

NOTE: If the domain name is inputted here, the timeout value for the AT+CIPOPEN

shall be decided by AT+CIPDNSSET.

Integer type, identifies the port of TCP server, range is 0-65535.

NOTE:

When open port as TCP, the port must be the opened TCP port;

When open port as UDP, the port may be any port.

But, for Qualcomm, connecting the port 0 is regarded as an invalid operation.

Integer type, which indicates whether the module is used as a client or server.

When used as server, the range is 0-3. <index> is the server index to which the client is linked.

(-1)     TCP/UDP client

(0-3)     TCP server index

String type, which indicates CONNECT result code.

Please refer to ATX/AT\V/AT&E command for the string formats.

AT+CIPOPEN=0,”TCP”,”116.228.221.51”,100

OK

+CIPOPEN: 0,0

AT+CIPOPEN=1,”UDP”,,,8080

+CIPOPEN: 1,0

OK

AT+CIPOPEN=?

+CIPOPEN: (0-9),(“TCP”,”UDP”)

OK

AT+CIPOPEN?

+CIPOPEN: 0,”TCP”,”116.228.221.51”,100,-1

+CIPOPEN: 1

+CIPOPEN: 2

+CIPOPEN: 3

+CIPOPEN: 4

+CIPOPEN: 5

+CIPOPEN: 6

+CIPOPEN: 7

+CIPOPEN: 8

+CIPOPEN: 9

OK

+CIPCLOSE: (0-9)

 OK

+CIPCLOSE:

<link0_state>,<link1_state>,<link2_state>,<link3_state>,<link4_state>,<link5_state>,

<link6_state>,<link7_state>,<link8_state>,<link9_state>

 OK

If service type is TCP and the connection identified by <link_num> has been established, response:

OK

 +CIPCLOSE: <link_num>,<err>

If service type is TCP and the access mode is transparent mode, response:

OK CLOSED

+CIPCLOSE: <link_num>,<err>

If service type is UDP and the connection identified by <link_num> has been established, response:

+CIPCLOSE: <link_num>,0

 OK

If service type is UDP and access mode is transparent mode, response:

CLOSED

+CIPCLOSE: <link_num>,<err>

OK

If the connection has not been established, abnormally closed, or parameter is incorrect, response:

+CIPCLOSE: <link_num>,<err>

ERROR

Other:

ERROR

Integer type, which indicates the state of connection identified by <link_num>. Range is 0-1.

0     disconnected

1     connected

AT+CIPCLOSE?

+CIPCLOSE: 1,0,0,0,0,0,0,0,0,0

OK

AT+CIPCLOSE=?

+CIPCLOSE: (0-9)

OK

AT+CIPCLOSE=0

OK

+CIPCLOSE: 0,0

+CIPSEND: (0-9),(1-1500)

 OK

If service type is “TCP”,

send data with changeable length

W) AT+CIPSEND=<link_num>,

 Response “>”,

then type data to send,

tap CTRL+Z to send data,

tap ESC to cancel the operation

If the connection identified by <link_num> has been established successfully, response:

>

<input data> CTRL+Z

OK

 +CIPSEND: <link_num>,<reqSendLength>, <cnfSendLength>

If <reqSendLength> is equal <cnfSendLength>,

it means that the data has been sent to TCP/IP protocol stack successfully.

If the connection has not been established, abnormally closed, or parameter is incorrect, response:

+CIPERROR: <err>

ERROR

Other:

ERROR

If service type is “TCP”,

send data with fixed length

W) AT+CIPSEND=<link_num>,< length>

Response “>”,

type data

until the data length is equal to <length>

If the connection identified by <link_num> has been established successfully, response:

>

<input data with specified length>

OK

+CIPSEND: <link_num>,<reqSendLength>, <cnfSendLength>

If <reqSendLength> is equal <cnfSendLength>,

it means that the data has been sent to TCP/IP protocol stack successfully.

If the connection has not been established, abnormally closed, or parameter is incorrect, response:

+CIPERROR: <err>

ERROR

Other:

ERROR

If service type is “UDP”,

send data with changeable length

W)  AT+CIPSEND=<link_num>,, 

<serverIP>,<serverPort>

Response “>”,

then type  data to send,

tap CTRL+Z  to send data,

tap ESC to cancel the operation

f the connection identified by <link_num> has been established successfully, response:

>

<input data> CTRL+Z

OK

+CIPSEND: <link_num>,<reqSendLength>, <cnfSendLength>

If the connection has not been established, abnormally closed, or parameter is incorrect, response:

+CIPERROR: <err> ERROR

Other:

ERROR

If service type is “UDP”,

send data with fixed length

W) AT+CIPSEND=<link_num>,

< length>,<serverIP>,<server Port>

Response “>”,

type data

until the data length is equal to <length>

If the connection identified by <link_num> has been established successfully, response:

>

<input data with specified length>

OK

+CIPSEND: <link_num>,<reqSendLength>, <cnfSendLength>

If the connection has not been established, abnormally closed, or parameter is incorrect, response:

+CIPERROR: <err>

ERROR

Other:

ERROR

String type, which identifies the IP address of server.

The IP address format consists of 4 octets, separated by decimal point, like ”AAA.BBB.CCC.DDD”.

Integer type, identifies the port of TCP server, range is 0-65535.

NOTE:

When open port as TCP, the port must be the opened TCP port; When open port as UDP,

the port may be any port.

But, for Qualcomm, connecting the port 0 is regarded as an invalid operation.

Integer type, the length of the data confirmed to have been sent.

-1     the connection is disconnected.

0     own send buffer or other side’s congestion window are full.

Note: If the <cnfSendLength> is not equal to the <reqSendLength>,

the socket then cannot be used further.

AT+CIPSEND=0,1

>S

OK

+CIPSEND: 0,1,1

AT+CIPSEND=1,1,”116.236.221.75”,6775

>S

OK

+CIPSEND: 1,1,1

AT+CIPSEND=2,

>Hello<Ctrl+Z>

OK

 +CIPSEND: 2,5,5

AT+CIPSEND=3,,”116.236.221.75”,6775

>Hello World<Ctrl+Z>

OK

 +CIPSEND: 3,11,11

AT+CIPSEND=2,

>Hello<ESC>

ERROR

AT+CIPSEND?

+CIPSEND: (0-9),(1-1500)

OK

+CIPRXGET: (0-4),(0-9),(1-1500)

OK

+CIPRXGET: <mode>

OK

W) AT+CIPRXGET=<mode>

In this case, <mode> can only be 0 or 1

If the parameter is correct, response:

OK

Else, response:

ERROR

W) AT+CIPRXGET=2,<link_num> [,<len>]

Retrieve data in ACSII form

If <length> field is empty, the default value to read is 1500. If the buffer is not empty, response:

+CIPRXGET: <mode>,<link_num>,<read_len>,<rest_len>

<data>ACSII form

OK

If the buffer is empty, response:

+IP ERROR: No data

ERROR

If the parameter is incorrect or other error, response:

+IP ERROR: <err_info>

ERROR

Other:

ERROR

W) AT+CIPRXGET=3,<link_num> [,<len>]

Retrieve data in hex form

If <length> field is empty, the default value to read is 750. If the buffer is not empty, response:

+CIPRXGET: <mode>,<link_num>,<read_len>,<rest_len>

<data>hex form

OK

If the buffer is empty, response:

+IP ERROR: No data

ERROR

If the parameter is incorrect or other error, response:

+IP ERROR: <err_info>

ERROR

Other:

ERROR

If the parameter is correct, response:

+CIPRXGET: 4,<link_num>,<rest_len>

OK

If the parameter is incorrect or other error, response:

+IP ERROR: <err_info>

ERROR

Other:

ERROR

Integer type, sets the mode to retrieve data. Default value is 0.

0     set the way to get the network data automatically

1     set the way to get the network data manually

2     read data, the max read length is 1500

3     read data in HEX form, the max read length is 750

4     get the rest data length

Integer type, the data length to be read.

Not required, the default value is 1500 when <mode>=2, and 750 when <mode>=3.

AT+CIPRXGET=?

+CIPRXGET: (0-4),(1-1500)

OK

AT+CIPRXGET?

+CIPRXGET: 1

OK

AT+CIPRXGET=1

OK

AT+CIPRXGET=2,0,100

+CIPRXGET: 2,0,100,1300

01234567890123456789012345678901234567

89012345678901234567890123456789012345

678901234567890123456789

OK

AT+CIPRXGET=3,0,100

+CIPRXGET: 3,0,100,1200

30313233343536373839303132333435363738

39303132333435363738393031323334353637

38393031323334353637383930313233343536

37383930313233343536373839303132333435

36373839303132333435363738393031323334

3536373839

OK

AT+CIPRXGET=4,0

+CIPRXGET: 4,0,1200

OK

If PDP context has been activated successfully, response

+IPADDR: <ip_address

OK

Else

+IP ERROR: Network not opened

ERROR

AT+IPADDR

+IPADDR: 10.71.155.118

OK

+CIPHEAD: (0-1)

 OK

+CIPHEAD: <mode>

 OK

If the parameter is correct, response:

OK

Else, Response

ERROR

Set default value:(<mode>=1)

OK

Integer type, indicates whether adding an IP header or not when receiving data. Default value is 1.

0     not add IP header

1     add IP header, the format is “+IPD(data length)”

AT+CIPHEAD=?

+CIPHEAD: (0-1)

OK

AT+CIPHEAD=0

OK

+CIPSRIP: (0-1)

 OK

+CIPSRIP: <mode>

 OK

If the parameter is correct, response:

OK

Else, response:

ERROR

Set default value:(<mode>=1)

OK

Integer type, indicates whether to show IP address and port of server or not when receiving data. Default value is 1.

0     not show

1     show, the format is as follows: “RECV FROM:<IP ADDRESS>:<PORT>”

AT+CIPSRIP=?

+CIPSRIP: (0-1)

OK

AT+CIPSRIP=1

OK

+CIPMODE: (0-1)

OK

CIPMODE: <mode>

OK

If the parameter is correct, response:

OK

Else, response:

ERROR

Set default value:(<mode>=0)

OK

Integer type, sets TCP/IP application mode. Default value is 0.

0     Non transparent mode

1     Transparent mode

AT+CIPMODE=?

+CIPMODE: (0-1)

OK

AT+CIPMODE=1

OK

+CIPSENDMODE: (0-1)

 OK

+CIPSENDMODE: <mode>

 OK

If the parameter is correct, response:

OK

Else, response:

ERROR

Integer type, sets sending mode. Default value is 0.

0     Sending without waiting peer TCP ACK mode

1     Sending wait peer TCP ACK mode

AT+CIPSENDMODE=?

+CIPSENDMODE: (0-1)

OK

AT+CIPSENDMODE=1

OK

+CIPTIMEOUT:

<netopen_timeout>,<cipopen_timeout>,<cipsend_timeout>

OK

If the parameter is correct, response:

OK

Else, response:

ERROR

Integer type, timeout value for AT+NETOPEN.

default is120000ms. Range is 3000ms-120000ms.

Integer type, timeout value for AT+CIPOPEN.

default is120000ms. Range is 3000ms-120000ms.

Integer type, timeout value for AT+CIPSEND.

default is120000ms. Range is 3000ms-120000ms.

AT+CIPTIMEOUT?

+CIPTIMEOUT: 30000,20000,40000

OK

AT+CIPTIMEOUT=30000,20000,40000

OK

+CIPCCFG: (0-10),(0-1000),(0),(0-1),(0-1),(0-1),(500-120000)

OK

+CIPCCFG:

<NmRetry>,<DelayTm>,<Ack>,<errMode>,<HeaderType>,<Asyn cMode>,<TimeoutVal>

 OK

W) AT+CIPCCFG=[<NmRetry>][,[

<DelayTm>][,[<Ack>][,[<errM ode>][,]<HeaderType>][,[[<As yncMode>][,[<TimeoutVal>]]]]

]]]]

If the parameter is correct, response:

OK

Else, response:

ERROR

Set default value:

OK

Integer type, number of retransmission to be made for an IP packet.

Range is 0-10. The default value is 10.

Integer type, number of milliseconds to delay to output data of

Receiving. Range is 0-1000. The default value is 0.

Integer type, it can only be set to 0.

It’s used to be compatible with old TCP/IP command set.

Integer type, sets mode of reporting <err_info>, default value is 1.

0     error result code with numeric values

1     error result code with string values

Integer type, select which data header is used when receiving data,

it only takes effect in multi-client mode. Default value is 0.

0     add data header, the format is “+IPD<data length>”

1     add data header, the format is “+RECEIVE,<link num>,<data length>”

Integer type, range is 0-1. Default value is 0.

It’s used to be compatible with old TCP/IP command set.

Integer type, set the minimum retransmission timeout value for TCP

connection. Range is 500ms-120000ms. Default is 500ms.

AT+CIPCCFG=?

+CIPCCFG:

(0-10),(0-1000),(0),(0-1),(0-1),(0),(500-120000)

OK

AT+CIPCCFG=3,500,0,1,1,1,500

OK

+SERVERSTART: (0-65535),(0-3)

 OK

If the PDP context has not been activated successfully, response:

+CIPERROR: <err>

ERROR

If there exists opened server, response: [+SERVERSTART: <server_index>,< port>

…]

OK

Other:

ERROR

W) AT+SERVERSTART=<port>,<

server_index>[,<backlog>]

If there is no error, response:

OK

If the PDP context has not been activated, or the server identified by

<server_index> has been opened, or the parameter is not correct, or other errors, response:

+CIPERROR: <err>

ERROR

Other:

ERROR

AT+SERVERSTART=?

+SERVERSTART: 0,1000

OK

AT+SERVERSTART=8080,1

OK

If there exists open connection with the server identified by

<server_index>, or the server identified by <server_index> has not been opened, or the parameter is

incorrect, response:

+SERVERSTOP: <server_index>,<err>

ERROR

If the server socket is closed immediately, response:

+SERVERSTOP: <server_index>,0

OK

(In general, the result is shown as below.)

If the server socket starts to close, response:

OK

+SERVERSTOP: <server_index>,<err>

Other:

ERROR

AT+SERVERSTOP=0

+SERVERSTOP: 0,0

OK

+CIPACK: (0-9)

OK

If the PDP context has not been activated, or the connection identified by <link_num> has not been

established, abnormally closed, or the parameter is incorrect, or other errors, response:

+IP ERROR: <err_info>

 ERROR

If the connection has been established, and the service type is “TCP”, response:

+CIPACK: <sent_data_size>,<ack_data_size>,<recv_data_size>

 OK

AT+CIPACK=?

+CIPACK: (0-9)

OK

AT+CIPACK=0

+CIPACK: 16,16,5

OK

If the given domain name has related IP, response:

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

OK

If the given name has no related IP, response:

+CDNSGIP: 0,<dns error code>

ERROR

Other:

ERROR

String type (string should be included in quotation marks), indicates the domain name.

The maximum length of domain name is 254.

Valid characters allowed in the domain name area-z, A-Z, 0-9, “-“(hyphen) and “.”.

A domain name is made up of one label name or more label names

separated by “.” (e.g. AT+CDNSGIP=”aa.bb.cc”).

For label names separated by “.”, length of each label must be no more than 63 characters.

The beginning character of the domain name and of labels should be an alphanumeric character.

Integer type, indicates the error code.

10     DNS GENERAL ERROR

AT+CDNSGIP=”www.baidu.com”

+CDNSGIP: 1,”www.baidu.com”,”61.135.169.21”

OK

If the given IP address has related domain name, response:

+CDNSGHNAME: <index>,<domain name>,<IP address

OK

If the given IP address has no related domain name, response:

+CDNSGHNAME: 0,<dns error code>

OK

If the given IP address has no related domain name, response:

+CDNSGHNAME: 0,<dns error code>

ERROR

Other:

ERROR

String type (string should be included in quotation marks), indicates the domain name.

The maximum length of domain name is 254.

Valid characters allowed in the domain name area-z, A-Z, 0-9, “-“(hyphen) and “.”.

A domain name is made up of one label name or more label names separated by “.”

(e.g. AT+CDNSGIP=”aa.bb.cc”).

For label names separated by “.”, length of each label must be no more than 63 characters.

The beginning character of the domain name and of labels should be an alphanumeric character.

String type (string should be included in quotation marks),

indicates the IP address corresponding to the domain name.

Integer type, which indicates the error code.

10     DNS GENERAL ERROR

Integer type, which indicates DNS result index. This value is always 1 if performing successfully.

Currently, only the first record returned from the DNS server will be reported.

AT+CDNSGHNAME=”58.32.231.148”

+CDNSGHNAME: 1,”mail.sim.com”,”58.32.231.148”

OK

+CIPDNSSET: 3,30000,7

 OK

If the parameter is correct, response:

OK

Else, response:

ERROR

Integer type, maximum retry times for opening PS network to perform

DNS query. Range is 0-3. Default is 3.

Integer type, timeout value for each opening PS network operation

when performing DNS query. Range is 3000ms-120000ms. Default value is 30000ms.

Integer type, maximum retry times for performing DNS query using

UDP packet. Range is 0-7. Default value is 7.

AT+CIPDNSSET?

+CIPDNSSET: 1,30000,3

OK

+CPING: IP address, (list of supported <dest_addr_type>s),(1-100),(4-188),(1000-10000),

(10000-100000), (16-255)

OK

W) AT+CPING=<dest_addr>,<de st_addr_type>[,<num_pings> [,<data_packet_size>[,<interv al_time>[,<wait_time>[,<TTL>

]]]]]

OK

If ping’s result_type = 1

+CPING:

<result_type>,<resolved_ip_addr>,<data_packet_size>,<rtt>,<T TL>

If ping’s result_type = 2

+CPING: <result_type>

If ping’s result_type = 3

+CPING:

<result_type>,<num_pkts_sent>,<num_pkts_recvd>,<num_pkts

_lost>,<min_rtt>,<max_rtt>,<avg_rtt>

The destination is to be pinged; it can be an IP address or a domain

name.

Integer type. Address family type of the destination address

1     IPv4.

2     IPv6(reserved)

Integer type. The num_pings specifies the number of times the ping request (1-100) is to be sent.

The default value is 4.

Integer type. Interval between each ping. Value is specified in milliseconds (1000ms-10000ms).

The default value is 2000ms.

Integer type. Wait time for ping response.

An ping response received after the timeout shall not be processed.

Value specified in milliseconds (10000ms-100000ms). The default value is 10000ms

Integer type. TTL(Time-To-Live) value for the IP packet over which the ping(ICMP ECHO Request

message) is sent (16-255), the default value is 255.

1     Ping success

2     Ping time out

3     Ping result

AT+CPING=”www.baidu.com“,1,4,64,1000,10 000,255

OK

+CPING: 1,119.75.217.56,64,410,255

+CPING: 1,119.75.217.56,64,347,255

+CPING: 1,119.75.217.56,64,346,255

+CPING: 1,119.75.217.56,64,444,255

+PING: 3,4,4,0,346,444,386

+CPING:

<result_type>,<num_pkts_sent>,<num_pkts_recvd>,<num_pkts

_lost>,<min_rtt>,<max_rtt>,<avg_rtt>

OK

ERROR

1     Ping success

2     Ping time out

3     Ping result

AT+CPINGSTOP

+CPING: 3,2,2,0,46,49,47

OK