8 socket restore - #so – Rainbow Electronics GM862-QUAD-PY User Manual
Page 322

 
 
 
 
AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 322 of 434
#SD - Socket Dial
SELINT 2
 
Note: 
no effect (if used) for UDP connections. 
 
Note: 
effect (if used) for TCP connections. 
 
Note: if we set 
command is successful we enter in online data mode and we see the 
intermediate result code CONNECT. After the CONNECT we can suspend 
the direct interface to the socket connection (nb the socket stays open) 
using the escape sequence (+++): the module moves back to command 
mode and we receive the final result code OK after the suspension. After 
such a suspension, it’s possible to resume it in every moment (unless the 
socket inactivity timer timeouts, see #SCFG) by using the #SO command 
with the corresponding 
 
Note: if we set 
command is successful, the socket is opened and we remain in command 
mode and we see the result code OK. 
 
Note: if there are input data arrived through a connected socket and not 
yet read because the module entered command mode before reading 
them (after an escape sequence or after #SD has been issued with 
buffered and we receive the SRING URC (SRING presentation format 
depends on the last #SCFGEXT setting); it’s possible to read these data 
afterwards issuing #SRECV. Under the same hypotheses it’s possible to 
send data while in command mode issuing #SSEND 
AT#SD=?
Test command reports the range of values for all the parameters.
Example
Open socket 1 in online mode 
AT#SD=1,0,80,”www.google.com”,0,0,0 
CONNECT
… 
 
Open socket 1 in command mode 
AT#SD=1,0,80,”www.google.com”,0,0,1 
OK
3.5.7.3.8 Socket Restore - #SO
#SO - Socket Restore
SELINT 2
AT#SO=
Execution command resumes the direct interface to a socket connection 
which has been suspended by the escape sequence. 
 
Parameter: 
