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Make a phone ring Answered

Anyone know if its possible to make a phone ring without a call coming in? Maybe get this to work via remote. This would be an awesome practical joke for my office!

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Smithmt (author)2009-05-22

I've been trying to nail this down for a while... my hangup is getting a ring voltage transformer to take 110v to 90v 30hz. (phone ringing freq.) use that with a switch or button to complete the circuit. but I can't find the transformer... help?

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tm0d3r (author)2008-10-12

so the if you could remotely send 90v ac down the line, then hypothetically it would work right? sounds interesting?

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Padlock (author)tm0d3r2008-10-19

I thought it was 20 Hertz AC at 70 Volts?

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NachoMahma (author)tm0d3r2008-10-12

. Make sure you are disconnected from "Ma Bell" before doing it. And double check me - that was from a sometimes faulty memory - it may not be 90V and it may be pulsed DC.

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Chicken2209 (author)2008-09-30

uh, you can text it to get a remote, no but most phones can preview their ring tone under the call sound settings

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slide23 (author)Chicken22092008-09-30

I'm referring to a land line. How does the phone know when a call is coming?

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NachoMahma (author)slide232008-09-30

. On a POTS system, the phone company sends ~90V AC down the line.

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Chicken2209 (author)slide232008-09-30

because there is an electronic message coming through the land line

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