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E.161 is an ITU-T Recommendation that defines the arrangement of digits, letters, and symbols on telephone keypads and rotary dials. It also defines the recommended mapping between the basic Latin alphabet and digits (e.g., "DEF" on 3). [1] Uses for this mapping include: Multi-tap and predictive text systems. Forming phonewords from telephone ...
This U.S. road sign alerts highway users to the availability of 9-1-1 service. An N11 code (pronounced Enn-one-one) is a three-digit dialing code used in abbreviated dialing in the North American Numbering Plan (NANP). The mnemonic N stands for the digits 2 through 9 and thus the syntax stands for the codes 211, 311, 411, 511, 611, 711, 811 ...
If a call is delivered to line 1, the next call goes to 2, the next to 3. The succession throughout each of the lines continues even if one of the previous lines becomes free. When the end of the hunt group is reached, the hunting starts over at the first line. Lines are skipped only if they are still busy on a previous call.
The main advantages of phonewords over standard phone numbers include increased memorability and increased response rates to advertising. They are easier to remember than numeric phone numbers; thus, when businesses use them as a direct response tool in their advertising (radio, television, print, outdoor, etc.), their memorability tends to have a favorable effect on response rates.
Telephone with letters on its rotary dial (1950s, UK) The layout of the digit keys is different from that commonly appearing on calculators and numeric keypads. This layout was chosen after extensive human factors testing at Bell Labs. [3] [5] At the time (late 1950s), mechanical calculators were not widespread, and few people had experience ...
Operator assistance refers to service provided by a telephone operator to the calling party of a telephone call.This can include telephone calls made from pay phones, calls placed station-to-station, person-to-person, or collect, third-number calls, calls billed to credit cards, and certain international calls which cannot be dialed directly.
Your potential credit line depends on several different factors, but it is possible to secure a line as large as $3 million. A business line of credit can be used for small business expenses, such ...
Pausing for a set period of time will automatically choose the current letter in the cycle, as will pressing a different key. It is commonly used in conjunction with text-messaging services. Some portable telecommunications devices (such as the BlackBerry ) have bypassed the need for this by incorporating a mini-keyboard for users to type on.