Chapter 2
Cellular and TCP/UDP parameters setup
Describes how to setup cellular and TCP/UDP parameters to use the Automatic and AT command driven TCP/UDP
connection, PING service, Dynamic DNS support.
2.1 CellularNetwork Parameters
Following parameters are needed for cellular connection:
– Access point name (APN)
– User name
– Password
Those parameters have to be set using the AT+IPGPRS command. Please contact your network operator if you need
any assistance with those parameters.
2.1.1 Cellular network parameters
AT+IPGPRS
To setup cellular network parameters for the TCP/UDP connection.
Syntax: AT+IPGPRS=<Cid>,<APN>,<UN>,<PW>
Response: +IPGPRS: <Cid>,<APN>,<UN>,<PW>
Defined Values:
<Cid> PDP context identifier. To use with TCP/UDP connection feature this value must be set to 1.
<APN> access point name of the cellular network. Max 100 characters.
<UN> user name to access the cellular service. Max 50 characters.
<PW> password used to access the cellular service. Max 50 characters.
Example:
Command Response
AT+IPGPRS? +IPGPRS: 1,"","",""
OK
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
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support@maestro-wireless.com
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