digital switching system
121Dimmer — For the New Zealand band, see Dimmer (band). A common dual dimmer manufactured by Electronic Theatre Controls (ETC) …
122DMS-100 — A DMS 100, in a CO located in France The DMS 100 Switch is a line of Digital Multiplex System (DMS) telephone exchange switches manufactured by Nortel Networks. The purpose of the DMS 100 Switch is to provide local service and connections to the… …
123Phreaking — is a slang term coined to describe the activity of a subculture of people who study, experiment with, or explore telecommunication systems, like equipment and systems connected to public telephone networks. The term phreak is a portmanteau of the …
124Stromberg-Carlson — This article is about Stromberg Carlson, the American telephone equipment manufacturing company. For the phone phreak with a similar name, see Strom Carlson. Stromberg Carlson was a telecommunications equipment manufacturing company formed in… …
125Player piano — The player piano is a self playing piano, containing a pneumatic mechanism that plays on the piano action pre programmed music via perforated paper rolls. The rise of the player piano grew with the rise of the mass produced piano in the house and …
126ATM-Adresse — Asynchronous Transfer Mode (ATM) ist eine Technik der Datenübertragung, bei der der Datenverkehr in kleine Pakete – Zellen oder Slots genannt – mit fester Länge (53 Byte, davon 48 Byte Daten, 5 Byte Zellkopf) codiert und über asynchrones… …
127Virtual Path Identifier — Asynchronous Transfer Mode (ATM) ist eine Technik der Datenübertragung, bei der der Datenverkehr in kleine Pakete – Zellen oder Slots genannt – mit fester Länge (53 Byte, davon 48 Byte Daten, 5 Byte Zellkopf) codiert und über asynchrones… …
128Direct 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… …
