User manual

Confidential, the whole present document is the sole property of Maestro Wireless Solution Ltd.
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3. GPRS AND TCP/UDP PARAMETERS SETUP
GPRS related functions (Automatic and AT command driven TCP/UDP connection, PING service, DDNS support,
Remote program update described in Chapter 5,6,7,8 and 17) requires GPRS connection and TCP / UDP parameters
setup. This chapter will describe those required setups.
3.1. GPRS Network Parameters
User need to enter the following parameters for GPRS connection:
- Access point name (APN)
- User name
- Password
They are to be entered by using AT+IPGPRS command. Contact your network operator for these parameters.
3.1.1. AT+IPGPRS command
Description:
This command is used to setup GPRS network parameters for the TCP/UDP connection feature.
Command Syntax
AT+IPGPRS=<Cid>,<APN>,<UN>,<PW>
Response Syntax
+IPGPRS: <Cid>,<APN>,<UN>,<PW>
Command
Possible responses:
AT+ IPGPRS?
+IPGPRS: 1,"INTERNET","" ,””
OK
Note: show current settings
AT+ IPGPRS=1,
OK
Note: set Cid value to 1
AT+ IPGPRS =1,”INTERNET”
OK
Note: set the PDP value to 1 and APN to “INTERNET”
AT+ IPGPRS=?
+IPGPRS: (1-4),(100),(50),(50)
OK
Note: possible values
Defined Values :
<Cid>
PDP context identifier.
Note: to use with MSP TCP/UDP connection feature this value must be set to 1.
<APN>
Access point name of the GPRS network. Max 100 characters.
<UN>
User name to access the GPRS service. Max 50 characters.
<PW>
Password used to access the GPRS service. Max 50 characters.