ESSENTIAL SERVICE


Meaning of ESSENTIAL SERVICE in English

A network -provided service feature in which a priority dial tone is furnished. Note 1: Essential service is typically provided to fewer than 10 % of network users. Note 2: Essential service is recommended for use in conjunction with NS/EP telecommunications services. Synonym critical service.

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.