System Requirements

The GPRS combined GSM and GPRS stack, excluding MMI, requires approximately 1M byte of ROM and from 256K bytes to 512K bytes of RAM. The stack is independent of processor and RTOS

At command interpreter

27.007 commands
27.010 serial port multiplexer
Custom TCP/IP commands

Internet Protocol (TCP/IP)

Licensed from third party

Sub-Network Dependent Convergence Protocol (SNDCP)

	Interface to AT command interpreter
	Interfaces with IP directly or via PPP

GPRS Short Message Service (GSMS)

MO and MT messages over GPRS

Circuit Switched Data Services

	Transparent & non-transparent
	Group 3 FAX
	Up to 14.4k bits/sec uncompressed

SIM Interface

Supports Phase 1 & 2 cards

SIM Application Toolkit

11.14 Class 2 commands

Layer 1

	Type 1, up to multi-slot class 12
	Primitive interfaces to L2, L3
	Generic core design
	Portable across hardware platforms
	Optimal power-saving

RTOS Support

Any standard RTOS may be used