15 socket dial - #sktd – Rainbow Electronics GM862-QUAD-PY User Manual

Page 349

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AT Commands Reference Guide

80000ST10025a Rev. 5 - 09/07/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 349 of 434

#GPRS - GPRS Context Activation

SELINT 2

AT#SGACT=0,1).

AT#GPRS?

Read command reports the current status of the PDP context #1, in the
format:

#GPRS: <status>

where:
<status>
0 - PDP context #1 deactivated
1 - PDP context #1 activated
2 - PDP context #1 activation pending.

AT#GPRS=?

Test command returns the allowed values for parameter <mode>.

Example

AT#GPRS=1

+IP: 129.137.1.1
OK

Now PDP Context #1 has been activated and our IP is
129.137.1.1

AT#GPRS=0

OK

Now PDP Context #1 has been deactivated, IP is lost.

Note

It is strongly recommended to use the same command (e.g. #GPRS) to
activate the context, deactivate it and interrogate about its status.

3.5.7.5.15 Socket Dial - #SKTD

#SKTD - Socket Dial

SELINT 0 / 1

AT#SKTD
[=<socket type>,
<remote port>,
<remote addr>,
[<closure type>],
[<local port>]]

Set command opens the socket towards the peer specified in the
parameters.

Parameters:
<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 0)
<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 (+++) or after an abortive

disconnect from remote.

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

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