W/D 01/2010 NO S/S
Introduction and Scope
Project 25 digital radio systems will optionally support a standardized set of data communications services. This document provides a detailed specification of the circuit data communication services such that, where these data services are enabled, data connectivity will operate in accordance with the following goals:
• Through any Project 25 radio
• Across any Project 25 digital radio system
• Independent of the particular equipment manufacturer
• Adherence to the Common Air Interface
• Independent of trunking or conventional system modes
