Minimal Quality Indicators for Electronic Communications Services
16.11.2002
Friday, the 15th of November, ANRC launched for public consultation the following projects: The General Authorisation for the provision of leased lines services, The minimal quality indicators for all the types of leased lines, and The minimal quality indicators for nonvocal electronic communications services.
The General Authorisation for the provision of leased lines services sets out the conditions under which the leased lines services can be provided, specifying the rights and obligations of the holders. The leased lines service is defined in the General Authorisation Draft as the electronic communications service provided through the public electronic communications networks, which ensures a permanent transmmission capacity between two network terminal points and does not allow the posibility to switch at the users' request. The leased lines represent two electronic communications facilities provided through a public network by one or more operators. The General Authorisation Draft for the provision of leased lines service stipulates the obligation of the general authorisation holder to make public the quality indicators he undertakes to observe, and to charge, for the service provision, tariffs corelated to these indicators.
The Minimal Quality Indicators Project for all the types of leased lines contains definitions and minimal quality indicators for the analogical or digital leased lines. The Document defines parameters such as: the service availability - the medium time for the use of service; global fading - caused by the loss of copper lines and of the equipments that ensure the transmission, as well as by the swap from 4 to 2 strings and backwards; the level of the transmitted signals; the exit noise level - so as not to distort the reception quality; the transmission delay - refers to the path of the terrestrial and satellite transmissions; the exit distorsions - which are due to the number of swaps from the analogue to the digital systems and backwards; the echo - that can be of two types: the listener's and the speaker's; the stability - the line has to be stable for any type of terminations at both ends.
For the elaboration of the minimal quality indicators for the leased lines, ANRC has as objective, that under the conditions of a completely liberalised electronic communications market, all the leased lines users to be provided with quality services at European standards. Until
The minimal quality indicators for nonvocal electronic communications services project refers to all the transmissions that do not use voice (data, facsimile transmission, telex, etc.). For the good functioning of the nonvocal communications services, each electronic communications operator has to observe the values of the minimal quality indicators.
The document contains the definitions and values of the minimal quality indicators for the nonvocal electronic communications services: nonvocal I.S.D.N. services (Integrated Services Digital Network), the "Frame Relay" data transmission service, data transmission services for IP applications (Internet Protocol), facsimile service.
The minimal quality indicators for leased linesand for nonvocal electronic communications services were set out in accordance with the Directives of the European Union, with the standards and recomendations of UIT-T (elaborated by UIT) and ETSI (European Telecommunications Standardisation Institute).