Lesson plan
Speed calling
Speed calling service allows telephone subscribers to assign one or two digit speed calling codes, by dialing a change speed calling list access code, a feature code, and a new telephone number. Thereafter, the subscribers need only use the assigned speed code to reach the desired party rather than dial the long phone number. This service became commonplace in the 1970s with the spread of Stored Program Control exchanges capable of implementing the required databases. It remains useful in installations of many extensions where programming each telephone set would be arduous. Speed calling subscriptions have largely been replaced by the introduction of telephone handsets which incorporate a local version of speed dial. Speed Calling allows subscribers to program shortcuts for telephone numbers to dial them quickly with just one or two digits. Both Speed Calling 8 and Speed Calling 30 require a subscription from your local telephone company. Speed Calling 8 allows subscribers to assign a telephone number to each of the digits 2 through 9, a total of eight numbers. To program the numbers, dial *74, followed by the digit 2 through 9 to assign the number to, followed by the full telephone number as you would normally dial it. Then, to dial the number in the future, dial the digit 2 through 9 followed by #.…
Article summary
Speed calling service allows telephone subscribers to assign one or two digit speed calling codes, by dialing a change speed calling list access code, a feature code, and a new telephone number. Thereafter, the subscribers need only use the assigned speed code to reach the desired party rather than dial the long phone number. This service became commonplace in the 1970s with the spread of Stored Program Control exchanges capable of implementing the required databases. It remains useful in installations of many extensions where programming each telephone set would be arduous. Speed calling subscriptions have largely been replaced by the introduction of telephone handsets which incorporate a local version of speed dial. Speed Calling allows subscribers to program shortcuts for telephone numbers to dial them quickly with just one or two digits. Both Speed Calling 8 and Speed Calling 30 require a subscription from your local telephone company. Speed Calling 8 allows subscribers to assign a telephone number to each of the digits 2 through 9, a total of eight numbers. To program the numbers, dial *74, followed by the digit 2 through 9 to assign the number to, followed by the full telephone number as you would normally dial it. Then, to dial the number in the future, dial the digit 2 through 9 followed by #.…
Key claims
No claims recorded.
Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.