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UC864-E/G/WD/WDU AT Commands Reference Guide

80304ST10041a Rev. 7 - 2010-10-14

#SKTSET - Socket Definition

<remote addr>,

[<closure type>],

[<local port>]]

<socket type> - socket protocol type

0 - TCP (factory default)

1 - UDP

<remote port> - remote host port to be opened

0..65535 - port number (factory default is 3333)

<remote addr> - address of the remote host, string type. This parameter

can be either:

- any valid IP address in the format: xxx.xxx.xxx.xxx

- any host name to be solved with a DNS query in the format: <host

name>

(factory default is the empty string “”)

<closure type> - socket closure behaviour for TCP

0 - local host closes immediately when remote host has closed (default)

255 - local host closes after an escape sequence (+++)

<local port> - local host port to be used on UDP socket

0..65535 - port number

Note: <closure type> parameter is valid only for TCP socket type, for UDP

sockets shall be left unused.

Note: <local port> parameter is valid only for UDP socket type, for TCP

sockets shall be left unused.

Note: The resolution of the host name is done when opening the socket,

therefore if an invalid host name is given to the #SKTSET command, then

an error message will be issued.

Note: the DNS Query to be successful requests that:

- the GPRS context 1 is correctly set with

+CGDCONT

- the authentication parameters are set (#USERID, #PASSW)

- the GPRS coverage is en

ough to permit a connection.

AT#SKTSET? Read command reports the socket parameters values, in the format:

AT#SKTSET: <socket type>,<remote port>,<remote addr>,

AT#SKTSET=? Test command returns the allowed values for the parameters.

Example AT#SKTSET=0,1024,"123.255.020.001"

AT#SKTSET=0,1024,"www.telit.net"

Note Issuing command #QDNS will overwrite <remote addr> setting.

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DCS WDU models Spécifications Page 262