User manual

Confidential, the whole present document is the sole property of Maestro Wireless Solution Ltd.
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AT+IPCONNECT=1,1
+CME ERROR: 3
Note: Activate GPRS connection fail
AT+ IPCONNECT =1,0
OK
Note: Deactivate GPRS connection success
Defined Values:
<Bearer>
0: using GSM Bearer ( Note: do NOT use this for MSP )
1: using GPRS Bearer.
<Connect>
0: to stop connection
1: to start connection.
Note: Before you making GPRS connection by this command make sure you have finished the following first:
1. Entered APN settings by AT+IPGPRS command Chapter 3.1.1)
2. Attached to GPRS network by AT+CGATT command (Chapter 3.2.1)
It is suggested after modem power up wait about 20 seconds before making GPRS connection.
3.3. TCP/UDP Parameters Setup
For using automatic or AT command driven TCP/UDP connection (described in Chapter 4 and 5), you need to first enter
the target TCP/UDP peer parameters. There are
- AT+IPTCP
- AT+IPUDP
- AT+IPBUFF
-
3.3.1. AT+IPTCP command
This command specifies the TCP socket parameters and mode that to be used by automatic or AT command driven TCP
connection (described in Chapter 4 and 5).
Command Syntax
AT+IPTCP=<port>,<mode>,<server>,<TCPTxDelay>
Response Syntax
+ IPTCP: <port>,<mode>,<server>,<TCPTxDelay>
Command
Possible responses:
AT+ IPTCP?
+IPTCP: 0,"S","",0
OK
Note : show current settings
AT+ IPTCP =23
OK
Note: set the TCP port to 23
AT+ IPTCP =23,”C”,202.144.111.222”,0
OK
Note: to set the modem to connect TCP socket Client (caller)
mode
to target :address 202.144.111.222 and port 23)