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EUROCAE ED 136

VOICE OVER INTERNET PROTOCOL (VOIP) AIR TRAFFIC MANAGEMENT (ATM) SYSTEM OPERATIONAL AND TECHNICAL REQUIREMENTS

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Organization: EUROCAE
Publication Date: 1 February 2009
Status: active
Page Count: 100
scope:

INTRODUCTION

BACKGROUND

Ground-Ground (G-G) ATM voice systems have been based upon analogue and more recently, digital Time Division Multiplexing / Pulsed Code Modulation (TDM/PCM) technologies for many years.

Nowadays, however, convergence of voice and data into one multimedia network is a popular trend with a variety of technical solutions available on the market. Following in this direction ATM communication networks are adopting, by a process of gradual evolution, a common infrastructure for voice and data services.

As the technology has developed IP Technology has now the true potential to fulfil operational and technical ATM communication requirements - including those of voice / data convergence, Quality of Services (QoS), security and safety. There is also the possibility that IP may deliver solutions that will, over time, bring about true savings in investment and operating costs.

EUROCAE Working Group 67 (WG-67) undertook the mission to assess the feasibility of using Voice over Internet Protocol (VoIP) for providing ATM voice services. The group defined criteria, requirements and guidelines based upon the following operational needs and constraints:

• Operational and Technical Air-Ground (A-G) and Ground-Ground (G-G) ATM Voice system requirements

• Existing IP Voice protocols and signalling standards

• IP network capabilities for Voice services

• Security, Quality of Service (QoS), and Convergence (infrastructure, protocol, applications)

• Existing IP Voice ATM system capabilities and service interfaces.

The following tasks were identified to fulfil the WG-67 mission:-

• Define ATM Systems and identify their components (Voice Communication System / VCS, Ground Radio Station)

• Determine possible additional operational and technical ATM requirements for new ATM voice systems, also taking into consideration A-G communications.

• Make recommendations to upgrade current standardisation documents.

• Develop a Technical Specification for a VoIP Voice ATM System including:

o Minimum performance and safety/security requirements for the system and, if appropriate, for components;

o Interoperability requirements between IP components of the VoIP ATM system;

o Minimum performance requirements of an IP Network to support ATM Voice services;

o Guidelines for qualification tests of VoIP ATM systems and their components.

Document History

EUROCAE ED 136
February 1, 2009
VOICE OVER INTERNET PROTOCOL (VOIP) AIR TRAFFIC MANAGEMENT (ATM) SYSTEM OPERATIONAL AND TECHNICAL REQUIREMENTS
INTRODUCTION BACKGROUND Ground-Ground (G-G) ATM voice systems have been based upon analogue and more recently, digital Time Division Multiplexing / Pulsed Code Modulation (TDM/PCM) technologies for...

References

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