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Some telephones, fax machines, and modems can use pulse dialing, because for many years, touch-tone dialing either was not available at all or required an extra monthly fee. In pulse dialing, the equipment sends a series of electrical pulses equivalent to rapidly connecting and disconnecting the telephone line. The count of pulses gives the digit being dialed.
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What phones can use pulse dialing?
Pretty much any phone (even feature phones) can be configured to use pulse dialing. Some phone companies (e.g. VoIP providers) do not recognize pulse dialing, though.
What is a pulse dialing phone?
A pulse dialing phone is a telephone that can dial a number using a series of clicks (pulses) instead of tones. All rotary telephones use pulse dialing; many pushbutton phones, especially older models, have a switch for tone or pulse.
draw the pulse dialing waveform for the number 41?
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How to switch from pulse to tone dialing?
On a modem, or any other device that uses the "AT" command set, you can put the letter P for Pulse or T for Tone in the dial string. For example, ATDP9,1800T555P0123 would pulse-dial 9 (pause) 1 8 0 0, then tone dial 555, and then pulse dial 0123. On many landline push-button phones, there is a switch that allows you to select Tone or Pulse dialing. If you have the switch set to Pulse and hit the star key, the phone will switch over to Tone dialing for the rest of that call.
What is the difference between rotary and touch tone dialing?
1) Pulse dialing sends number in terms of pulses while the tonedialingsends the number in form of tones " dtmf"2) pulsedialingis slower than tone dialing 3)pulse dialing doesn't use keypad while tone dialing use 4) pulse dialing isobsessed while tone dialing is modern
What is revertive pulse dialing?
Revertive pulse dialing is a system first introduced in Panel Switch Exchanges and used only between exchanges in which the called exchange sent back (revertive) dial pulses for each digit to the sending exchange until the sending exchange signaled that the correct number of pulses had been sent for that digit.This is in contrast to standard pulse dialing in which a phone sent dial pulses to the local exchange for each digit or the sending exchange sent dial pulses to the called exchange for each digit.Revertive pulse dialing was considered a more reliable means of transferring numbers between exchanges than standard pulse dialing as certain types of errors in the transfer could be detected that was not possible to detect with standard pulse dialling.A telephone cannot use revertive pulse dialing! It can only be used between exchanges.
What do portable pulse oximeters do?
Pulse oximeters are devices that monitor the saturation of one's hemoglobin. A portable pulse oximeter is useful for those who need to monitor their hemoglobin while traveling.
How does a pulse jet work?
A pulse jet engine is one of the most simple and efficient propulsion devices ever designed. There are three types of pulse jet engines: The valved pulse jet, the valveless pulse jet, and the upright or "Jam jar jet". For complete details on pulse jet engines, go to wikipedia.org and search "Pulse Jet Engine".
Rotary dial phones produce what type of dialing?
A rotary phone works by basically hanging up and picking up rapidly, and this would send pulses of electricity to equipment at the central office, which would move machinery there to make your call. Therefore, it was called pulse dialing. Today, we use tone dialing.
What does carotid pulse radial pulse and heart monitor mean?
A carotid pulse is the heartbeat measured at the carotid artery site, on the sides of the neck. A radial pulse is the pulse or heartbeat taken at the wrist, where the radius and ulna intersect. A heart monitor is on of many devices that measure cardiac performance.
Are there devices that can check if I have a high pulse rate or not?
A helpful device that can help you record your pulse is a pulse oximeter. This records several things, including your pulse. You can also go to your local cardiologist and ask them for a device which does this. Find out more about a pulse oximeter here: http://en.wikipedia.org/wiki/Pulse_oximeter
What features do mdoems have?
Modems have dial tone recognition, automatic tone and pulse dialing, monitoring call progress tones such as busy and reorder, automatic answer, and call termination
