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Direct inward dial

Known as: Direct Dial Central Office, Inward, Direct Outward Dialing 
Direct inward dialing (DID), also called direct dial-in (DDI) in Europe and Oceania, is a telecommunication service offered by telephone companies to… 
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2007
Highly Cited
2007
Wurtzite-structured materials, such as ZnO, ZnS, GaN, etc., possess a common characteristic that is the existence of polar… 
Highly Cited
2006
Highly Cited
2006
[1] Motivated by recent observations and simulations of the formation of a cold and dense plasma sheet in the tail of the… 
Highly Cited
2002
Highly Cited
2002
[1] Among the objectives of the Radio Plasma Imager (RPI) on IMAGE is the observation of the Earth's plasmasphere from the… 
Highly Cited
2001
Highly Cited
2001
Supernova (SN)–driven pregalactic outflows may be an efficient mechanism for distributing the product of stellar nucleosynthesis… 
Highly Cited
1985
Highly Cited
1985
Argues that visual reality has overcome verbal truth, examines the biblical distinction between truth and reality, and considers… 
Highly Cited
1982
Highly Cited
1982
The self-excited oscillations which result from positive wave feedback are believed to produce the discrete spectrum of auroral… 
Highly Cited
1980
Highly Cited
1980
SummaryDifferent sites of theParamecium surface were mechanically stimulated with a fine-tipped glass stylus. Ciliated and… 
Highly Cited
1966
Highly Cited
1966
Acoustic Oscillations in Solid Propellant Rocket Chambers. Among the various kinds of periodic motions observed in rocket…