+CACID: (range of supported <cid>s)

OK

Parameters

See Write Command

[+CACID: <cid>]

OK

Parameters

See Write Command

OK

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     TCP/UDP identifier

+CASSLCFG: (range of supported <cid>s),”cacert”,<caname>

+CASSLCFG: (range of supported <cid>s),”clientcert”,<certname>

+CASSLCFG: (range of supported <cid>s),”psktable”,<pskname>

+CASSLCFG: (range of supported <cid>s),”timeout”,(0-65535)

+CASSLCFG: (range of supported <cid>s),”ssl”,(0,1)

+CASSLCFG: (range of supported <cid>s),”crindex”,(0,5)

+CASSLCFG: (range of supported <cid>s),”localport”,(0-65536)

+CASSLCFG: (range of supported <cid>s),”protocol”,(0,1)

OK

Parameters

See Write Command

If <cid> has been set by AT+CACID:

+CASSLCFG: <cid>

cacert:<caname>

clientcert:<certname>

psktable:<pskname>

timeout:<timeout>

ssl:<ssl>

crindex:<crindex>

localport:<localport>

protocol:<protocol>

OK

If no <cid> has been set by AT+CACID:

OK

Parameter

See Write Command

W) AT+CASSLCFG=<cid>,

“cacert”,<caname>

OK

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     TCP/UDP identifier, see AT+CACID

<caname>    

Alphanumeric ASCII text string up to 64 characters.

Root certificate name that has been configured by AT+CSSLCFG.

Note: If the root certificate is empty, module will trust all certificates as default.

AT+CASSLCFG=<cid>,

“clientcert”,<certname> 

OK

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     see AT+CACID

<certname>    

Alphanumeric ASCII text string up to 64 characters.

Client certificate name that has been configured by AT+CSSLCFG.

OK

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     see AT+CACID

<pskname>    

Alphanumeric ASCII text string up to 64 characters.

PSK table name that has been configured by AT+CSSLCFG.

File content format is <identity>:<hex string>.

OK

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     see AT+CACID

<sslFlag>     Interger

0     Not support SSL

1     Support SSL

OK

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     see AT+CACID

<ctxindex>     The identifier of SSL configurations, see AT+CSSLCFG.

OK

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     see AT+CACID

<protocol>     Interger

0     TCP

1     UDP

+CAOPEN: (range of supported <cid>s),<server>,(1-65535)

OK

Parameters

See Write Command

If <cid> has been set by AT+CACID:

+CAOPEN: <cid>,<conn_type>,<server>,<port>

OK

If no <cid> has been set by AT+CACID:

OK

Parameter

See Write Command

W) AT+CAOPEN=<cid>[,

<conn_type>],<server>,

<port>

If <asyncOpen_enable> not set or set 0.

+CAOPEN: <cid>,<result>

 OK

Otherwise

OK

 +CAOPEN: <cid>,<result>

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     see AT+CACID

<conn_type>

String type.

Transfer type.

IPV4 or IPV6 address can be automatically identified on the client.

“TCP”

“UDP”

<server>    

Alphanumeric ASCII text string up to 64 characters.

Server IP address or host name.

<port>   

Interger.

Server port.

<result>

0     Success

1     Socket error

2     No memory

3     Connection limit

4     Parameter invalid

6     Invalid IP address

7     Not support the function

12     Can’t bind the port

13     Can’t listen the port

20     Can’t resolv the host

21     Network not active

23     Remote refuse

24     Certificate’s time expired

25     Certificate’s common name does not match

26     Certificate’s common name does not match and time expired

27     Connect failed

Note

After open a connection successfully, if module receives data,

it will report “+CADATAIND: <cid>” to remind user to read data.

+CASERVER: (range of supported <cid>s),(list of supported <conn_type>s),(range of supported <port>s)

OK

[+CASERVER: <cid>,<conn_type>,<port>]

OK

+CASERVER: <cid>,<result>

OK

If error is related to ME functionality:

+CME ERROR: <err>

Transfer type

“TCP”

“TCP6”

“UDP”

“UDP6”

Integer.

Server port.

0     Success

1     Socket error

2     No memory

3     Connection limit

4     Parameter invalid

6     Invalid IP address

7     Not support the function

12     Can’t bind the port

13     Can’t listen the port

20     Can’t resolv the host

21     Network not active

23     Remote refuse

24     Certificate’s time expired

25     Certificate’s common name does not match

26     Certificate’s common name does not match and time expired

27     Connect failed error

+CASEND: (range of supported <cid>s),(range of supported <datalen>),(range of supported <inputtime>)

OK

Parameters

See Write Command

+CASEND: <leftsize>

OK

If error is related to ME functionality:

+CME ERROR: <err>

W) AT+CASEND=<cid>,<datalen>[,inputtime]

+CASEND: <cid>,<datalen>

…….. //Input data

OK

+CASEND: <cid>,<result>,<sendlen>

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     see AT+CACID

<datalen>     Requested number of data bytes to be transmitted

<inputtime>     Millisecond, should input data during this period or you can’t input data when timeout.

<sendlen>     Data bytes that has been sent successfully

<result>     see AT+CAOPEN

Note

Set the input time that input data during this period or you can’t input data when timeout.

The default inputtime is 5000ms.

+CARECV: (range of supported <cid>s),(range of supported <readlen>)

OK

Parameters

See Write Command

+CARECV: <cid>,<recvlen>

……. //output data

OK

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     see AT+CACID

<readlen>     Requested number of data bytes to be read

<recvlen>     Data bytes that has been actually received

+CAACK: (range of supported <cid>s)

OK

+CAACK: <totalsize>,<unacksize>

OK

If error is related to ME functionality:

+CME ERROR: <err>

[+CASTATE: <cid>,<state>]

OK

If the remote connection is disconnected。

+CASTATE: <cid>,<state>

0     Closed by remote server or internal error

1     Connected to remote server

2     Listening (server mode)

+CACLOSE: (range of supported <cid>s)

OK

Parameters

See Write Command

OK

If error is related to ME functionality:

+CME ERROR: <err>

Parameters

<cid>     see AT+CACID

If <autoClose_s>=1, this report will be reported when the remote connection is disconnected.

+CACLOSE: (range of supported <cid>s)

+CACFG: “TRANSWAITTM”,(range of supported <wait_timeout>s)

+CACFG: “TRANSPKTSIZE”,(range of supported <size>s)

+CACFG: “SACK”,(list of supported <sack_enable>s)

+CACFG: “MSS”,(range of supported <mss_value>s)

+CACFG: “ACKDELAY”,(range of supported <ackDelay_ms>s)

+CACFG: “TCPIRT”,(range of supported <tcpIRT_ms>s)

+CACFG: “MAXRXT”,(range of supported <tcpMaxRXT_cnt>s)

+CACFG: “TCPOT”,(range of supported <tcpOT_ms>s)

+CACFG: “KEEPALIVE”,(list of supported<keepalive_enable>s)[,(range of supported

<keepalive_idle>s), (range of supported <keepalive_intval>s),

(range of supported <keepalive_cnt>s)]

+CACFG: “TCP_NODELAY”,(list of supported <tcpNodelay_enable>s)

+CACFG: “LINGER”,(list of supported <linger_enable>s)[,(range of supported <linger_ms>s)]

+CACFG: “SNDBUF”,(range of supported <sndBuf_size>)

+CACFG: “RCVBUF”,(range of supported <rcvBuf_size>)

+CACFG: “ATOCLOSE”,(list of supported <autoClose_enable>s)

[,(range of supported <autoClose_s>s]

+CACFG: “ACCEPTNUM”,(range of supported <acceptMax_num>s)

+CACFG: “ASYNCOPEN”,(list of supported <asyncOpen_enable>s)

+CACFG: “TIMEOUT”,(range of supported <cid>s),(range of supported <timeout>s)

+CACFG: “LOCALPORT”,(range of supported <cid>s),(range of supported <localport>s)

+CACFG: “REMOTEADDR”,(range of supported <cid>s),

(range of supported <ip address>s),(range of supported <port>s)

OK

+CACFG:

+TRANSWAITTM: <wait_timeout>

+TRANSPKTSIZE: <size>

[

+CACFG: “SACK”,<sack_enable>

+CACFG: “MSS”,<mss_value>

+CACFG: “ACKDELAY”,<ackDelay_ms>

+CACFG: “TCPIRT”,<tcpIRT_ms>

+CACFG: “MAXRXT”,<tcpMaxRXT_cnt>s)

+CACFG: “TCPOT”,<tcpOT_ms>

+CACFG:

“KEEPALIVE”,<keepalive_enable>[<keepalive_idle>,<keepalive_intval>,

<keepalive_cnt>]

+CACFG: “TCP_NODELAY”,<tcpNodelay_enable>

+CACFG: “LINGER”,<linger_enable>[,<linger_ms>]

+CACFG: “SNDBUF”,<sndBuf_size>

+CACFG: “RCVBUF”,<rcvBuf_size>

+CACFG: “ATOCLOSE”,<autoClose_enable>[,<autoClose_s>]

+CACFG: “ACCEPTNUM”,<acceptMax_num>

+CACFG: “ASYNCOPEN”,<asyncOpen_enable>

+TIMEOUT: <cidx>,<timeoutx>…

+LOCALPORT: <cidx>,<localportx>…

[+REMOTEADDR,<cidx>,<ipadressx>,<portx>…

]]

OK

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

OK

or

ERROR

+CASWITCH: (0-1),(0,1)

OK

+CASWITCH: 0,0

OK

OK

or

OK

CONNECT

… …

OK

or

ERROR

Parameters

<cid>     see AT+CACID

<transmode>

0     Non transparent transmission mode

1     Transparent transmission mode