- International Subscriber Trunk Dialing
- Telecommunications: ISTD
Универсальный русско-английский словарь. Академик.ру. 2011.
International Subscriber Trunk Dialing
Смотреть что такое "International Subscriber Trunk Dialing" в других словарях:
Subscriber trunk dialling — (STD, also known as subscriber toll dialling) is a term for the UK telephone system allowing subscribers to dial trunk calls without operator assistance. Terminology The term subscriber trunk dialling is used in other countries such as the… … Wikipedia
Direct distance dialing — (DDD) or direct dial is a telecommunications term for a network provided service feature in which a call originator may, without operator assistance, call any other user outside the local calling area. DDD requires more digits in the number… … Wikipedia
Trunk vs Toll — In the US, under the purview of the Bell System, local telephone calls were free except in a few big cities, and the term toll was adopted for long distance calls because they were subject to a toll.In the UK all calls were chargeable and the… … Wikipedia
ISTD — International Subscriber Trunk Dialing (Computing » Telecom) … Abbreviations dictionary
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
Telephone number — A telephone number or phone number is a sequence of digits used to call from one telephone line to another in a public switched telephone network. When telephone numbers were invented, they were short as few as one, two or three digits and were… … Wikipedia
Communications in India — This article is about communications in India. For a more general coverage of media in India, see Media of India. The Republic of India possesses a diversified communications system that links all parts of the country by Internet, telephone,… … Wikipedia
Udipi Ramachandra Rao — Udupi Ramachandra Rao, popularly known as U.R.Rao (Kannada:ಉಡುಪಿ ರಾಮಚಂದ್ರ ರಾವ್) is a space scientist and former director of the Indian Space Research Organisation. He is a native of Udupi district in state of Karnataka. He had his primary… … Wikipedia
Speaking clock — A speaking clock service is used by people who wish to know the correct and accurate time. Speaking clock services are most commonly accessed by telephone.The format of the service is somewhat similar to those in radio time signal services. Every … Wikipedia
Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… … Wikipedia
Telephone numbers in India — Country Code: 91 International Call Prefix: 00Fixed (landline) numbersSubscriber Trunk Dialling (STD) codes are assigned to each city/town/village, with the larger cities having shorter area codes (STD codes), the smallest being 2 digits. For… … Wikipedia
