Specifications

UC864-E/G AT Commands Reference Guide
80304ST10041a Rev. 3 - 18/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 217 of 259
#SKTL - Socket Listen
Where:
<remote addr> - host address of the remote machine that contacted the
device.
When the connection is established the CONNECT indication is given and
the modem goes into data transfer mode.
On connection close or when context is closed with #GPRS=0 the socket is
closed and no listen is anymore active.
If the context is closed by the network while in listening, the socket is
closed, no listen is anymore active and an unsolicited code is reported:
#SKTL: ABORTED
AT#SKTL? Read command returns the current socket listening status and the last
settings of parameters <socket type>,<input port> and <closure type>, in
the format:
#SKTL: <status>,<socket type>,<input port>,<closure type>
Where
<status> - socket listening status
0 - socket not listening
1 - socket listening
AT#SKTL=? Test command returns the allowed values for parameters <mode>, <socket
type>, <input port> and <closure type>.
Example
Activate GPRS
AT#GPRS=1
+IP: ###.###.###.###
OK
Start listening
AT#SKTL=1,0,1024
OK
or
AT#SKTL=1,0,1024,255
OK
Receive connection requests
+CONN FROM: 192.164.2.1
CONNECT
exchange data with the remote host
send escape sequence
+++
NO CARRIER