Rainbow Electronics GM862-QUAD-PY User Manual
Page 355

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 355 of 434
#SKTL - Socket Listen
SELINT 2
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
Note: this command is not allowed for sockets associated to a GSM context
(see #SCFG).
AT#SKTL?
Read command returns the current socket listening status and the last
settings of parameters and
#SKTL:
Where
0 - socket not listening
1 - socket listening
AT#SKTL=?
Test command returns the allowed values for parameters
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
Now listen is not anymore active