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Non-geographic numbers were introduced to offer services that were historically unavailable on standard landline phone numbers, particularly in terms of call routing and special charging arrangements. Advertised benefits of non-geographic numbers include: [1] [2] Call Routing. Calls can be flexibly redirected to virtually any destination.
According to an anonymous source, the database is "the largest database ever assembled in the world," [1] and contains call-detail records (CDRs) for all phone calls, domestic and international. A call-detail record consists of the phone numbers of the callers and recipients along with time, position and duration of the call.
Silent calls, calls which remain silent when answered are typically generated by companies using power or predictive dialling equipment when making outbound calls. A power/predictive dialler is an automated dialler which can store, access, and automatically dial telephone numbers which should match operator availability.
A carrier receives calls in country A, turns them into IP packets using an IP gateway device and sends them over an IP connection (public or dedicated) to another carrier or ISP in country B, which re-assembles the voice call and sends it out from a PBX. The cost is composed of the cost to convert the call, IP connectivity, convert the call back.
The good news is that by registering your phone number on the Do Not Call Registry, donotcall.gov, you should be able to dramatically cut down the number of unwanted phone calls you receive.
A nuisance call is an unwanted and unsolicited telephone call. Common types of nuisance calls include prank calls, telemarketing calls, and silent calls. Obscene phone calls and other threatening calls are criminal acts in most jurisdictions, particularly when hate crime is involved. [1] Unsolicited calls may also be used to initiate telephone ...
Below the level of the major telecommunications towers, mobile phone operators run roughly 23,000 base stations. In urban areas, these are almost all rooftop sites or microcells, but in rural areas these are often on towers, frequently owned by BT or Arqiva. The Sitefinder database is an incomplete list of mobile phone base stations in the UK. [3]
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