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Table of contents
of the current issue 

Selected Highlights
	An introduction to critical infrastructures
	Internet security and critical infrastructures
	Location -enhanced 112 in Europe - interview
	The role of OSS in protecting the network
	Milliseconds are vital - interview
	TETRA and TETRAPOL

In Europe, two major radio systems are used for purposes of public safety and security: TETRA and TETRAPOL.

In addition, it has been explored whether GSM enhanced with ASCI (Advanced Speech Call Items) features could also fulfil requirements for public safety and security.

There have been heated discussions, which system is better, meaning more reliable and more economic. It very much depends on the detailed requirements and personal opinion. Concerning roll-out, this is the situation:

TETRA states that it has currently 505 contracts in 65 countries worldwide. TETRAPOL states that it has more than 70 networks in 31 countries around the globe in operation or being deployed.

TETRA, which stands for Terrestrial Trunked RAdio, is an open digital trunked radio standard defined and supported by ETSI, the European Telecommunications Standardisation Institute.

TETRAPOL has been accepted as a "de facto" standard by the ITU, the CEPT (European Conference of Postal and Telecommunications Administrations), and the European Commission.

References

TETRA MoU website: www.tetramou.com
TETRAPOL website: www.tetrapol.com

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