» Application - SMTP, POP3

» Protocol includes - TCP, UDP, IP, ICMP, ARP

» Data Link Layer drivers - PPP (includes LCP, PAP, IPCP), Ethernet IEEE 802.3 driver for Realtek 8019AS (8-bit Interrupt mode) Ethernet controller and Siemens MC35i GSM/GPRS module.

» Miscellaneous - Modem drivers (supports Hayes AT commands), Serial Drivers for 8051 derivatives