All the protocols managed by the AT# Internet Plug-In are RFC compliant :

• FTP Client : Send/Receive files to/from FTP server
• POP3 Client : Receive emails
• SMTP Client : Send emails
• GPRS Attachment & APN server connection
• DNS Client : IP-address resolution
• ICMP protocol : Ping application
• TCP Socket : Outgoing or listen mode
• UDP Socket : Send/Receive data over UDP
• PPP Client & PPP Server for GSM data CSD