- inward-outward dialing system
- АТС с прямым доступом к городским номерам
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
inward-outward dialing system
Смотреть что такое "inward-outward dialing system" в других словарях:
Direct inward dialing — (DID), also called direct dial in (DDI) in Europe and Oceania, is a feature offered by telephone companies for use with their customers private branch exchange (PBX) systems. In DID service the telephone company provides one or more trunk lines… … Wikipedia
