Method 

Description 

attachGPRS 

Detects Access Point Name (APN) information from the SIM card and use it to connect to a GPRS network.
RETURN 1: APN setup succeeded. 0: APN setup failed. 

attachGPRS 

Sets up the Access Point Name (APN) used to connect to a GPRS network using data provided by your telecom operator. 

hostByName 

Resolves the given hostname to an IP address.