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Essay's paper info
| Topic: |
Technology
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| Number of pages / Number of words: |
7 / 1742 |
Essay's paper body
Private branch exchanges are located on customers' premises. Centrex is usually located at the telephone company and is part of the central exchange or central
office" (Dodd, 1999, chp2).
Rotary and DTMF
Going a little further into our telephony phone system structure, Baker's telephones are all touch tone or tone dialing phones...
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Although the phones that are supplied to us have the ability to support pulse dialing for backward compatibility; I have not seen or know anyone that uses those features in today's business world. The old name for pulse phones were rotary phones, and the name for touch tone phones are dual tone multi-frequency phone, or DTMF...
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