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9.4 Sending TCP Data: +TCPSEND................................................................................................................49
9.5 Receiving TCP Data: +TCPRECV.............................................................................................................50
9.6 Closing TCP Connection: +TCPCLOSE....................................................................................................50
9.7 Setting Up UDP Connection: +UDPSETUP..............................................................................................50
9.8 Sending UDP Data: +UDPSEND...............................................................................................................51
9.9 Receiving UDP Data: +UDPRECV ...........................................................................................................52
9.10 Closing UDP Connection: +UDPCLOSE ................................................................................................52
9.11 Querying TCP/UDP Link Status: +IPSTATUS ........................................................................................52
9.12 Querying the Status of Data Sent by the TCP Link: +TCPACK ..............................................................53
9.13 Setting Data Receiving Type: +ASCII .....................................................................................................54
9.14 Setting Data TX/RX Type: +DATAFORMAT..........................................................................................55
9.15 Setting Data Receiving Mode: +TRANMODE........................................................................................55
9.16 Setting Link Closing Mode: +SETCLSMODE........................................................................................56
9.17 Setting Local TCP Port: +TCPLPORT.....................................................................................................56
9.18 Setting Local UDP Port: +UDPLPORT ...................................................................................................57
9.19 Setting Socket Timeout Parameter: +SSTP..............................................................................................57
9.20 Transparently Transmitting TCP Data: +TCPTRANS .............................................................................58
9.21 Transparently Transmitting UDP Data: +UDPTRANS............................................................................58
9.22 Closing Transparent Transmission Link: +TRANSCLOSE.....................................................................59
10 DNS Command .................................................................................................................... 59
10.1 Querying the IP Address: +DNS ..............................................................................................................59
11 FTP AT Commands.............................................................................................................. 60
11.1 Logging In to the FTP Server: +FTPLOGIN............................................................................................60
11.2 Logging Out from the FTP Server: +FTPLOGOUT ................................................................................60
11.3 Downloading Data from the FTP Server: +FTPGET...............................................................................61
11.4 Uploading Data from the FTP Server: +FTPPUT ....................................................................................62
11.5 Querying FTP Link Status: +FTPSTATUS ..............................................................................................63
12 TCP Server AT Commands ................................................................................................ 63
12.1 Setting TCP Listening for the Server: +TCPLISTEN..............................................................................63
12.2 Closing the Listening Link: +CLOSELISTEN ........................................................................................64
12.3 Closing Connections of the Client: +CLOSECLIENT.............................................................................65
12.4 Receiving Data from the Client: +TCPRECV(S).....................................................................................65
12.5 Sending Data to the Client: +TCPSENDS ...............................................................................................66
12.6 Querying the Link Status on the Client: +CLIENTSTATUS ...................................................................66
12.7 Obtaining the Local IPAddress: +GETIP................................................................................................67
12.8 Setting TCP Listening for the Server of Transparent Transmission: +TCPSRVTRANS .........................67
12.9 Querying the Status of Data Sent by the TCP Server: +TCPACKS .........................................................68
13 HTTP Commands................................................................................................................. 69
13.1 Setting HTTP Parameters: +HTTPPARA ................................................................................................69
13.2 Setting Up HTTP Link: +HTTPSETUP...................................................................................................69
13.3 Executing HTTP Request: +HTTPACTION............................................................................................70
