digital communications network

См. также в других словарях:

• Digital Private Network Signalling System — The Digital Private Network Signalling System (DPNSS) is a network protocol used on digital trunk lines for connecting two PABX. It supports a defined set of inter networking facilities. DPNSS was originally defined by British Telecom. The… …   Wikipedia

• Airwave (communications network) — Airwave is a private communications network for England, Scotland and Wales. It can be used by the emergency services. Airwave is based on TETRA and is operated by Guardian Digital Communications. It is a secure digital, encrypted network and can …   Wikipedia

• Personal Communications Network — (PCN) is the European digital cellular mobile telephone network, developed in accordance with GSM standards.The PCN system was first initiated by Lord Young in 1988. The Characteristics of PCN are as follows:a) Operating frequency 1.7 to 1.88 GHz …   Wikipedia

• Integrated Digital Enhanced Network — IDEN redirects here. For other uses, see Iden (disambiguation). Integrated Digital Enhanced Network (iDEN) is a mobile telecommunications technology, developed by Motorola, which provides its users the benefits of a trunked radio and a cellular… …   Wikipedia

• Digital terrestrial television in Australia — commenced on 1 January 2001, in the country s five most populous cities, Sydney, Melbourne, Brisbane, Adelaide and Perth using DVB T standards. A transition plan to replace Analogue PAL transmissions began in 2010 and is scheduled for completion… …   Wikipedia

• Digital terrestrial television in the United Kingdom — encompasses over 100 television, radio and interactive services broadcast via the UK s terrestrial television network and receivable with a standard television aerial. The majority of services, including those from the existing five analogue… …   Wikipedia

• Digital radio — has several meanings: 1. Today the most common meaning is digital radio broadcasting technologies, such as the digital audio broadcasting (DAB) system, also known as Eureka 147. In these systems, the analog audio signal is digitized into zeros… …   Wikipedia

• Communications in Australia — is dominated by the telecommunications provider, Telstra. Other telephone carriers include Optus (owned by Singapore Telecommunications), AAPT and Powertel (both owned by Telecom New Zealand), Soul (SP Telemedia), Vodafone and Hutchison 3G (3… …   Wikipedia

• Digital television in Canada — (more specifically, digital terrestrial television in Canada or digital over the air television (OTA) in Canada) is transmitted using the ATSC standards developed for and in use in the United States. Because Canada and the U.S. use the same… …   Wikipedia

• Digital telephony — is the use of digital electronics in the provision of digital telephone services and systems. Since the 1960s a digital core network has almost entirely replaced the old analog system, and much of the access network has also been digitized.… …   Wikipedia

• Digital One — Network Licensed area Great Britain Frequency 11D (222.064 MHz) England and Wales 12A (223.936 MHz) Scotland Air date 15 November 1999 Owner Arqiva Website http://www.digitalone.co.uk …   Wikipedia