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T O P I C    R E V I E W
n/a Posted - Jul 15 2003 : 8:28:58 PM
Hello,

I recently bought a Philips Zenia cordless phone from London to use in Japan. Everything on the phone works fine except it does not detect incoming calls., i.e. the phone will not ring on an incoming call.

I am aware that in the UK and other parts or Europe, Australia and New Zealand the No 3 wire is used to carry the ring signal to the phone. However the cable provided with this phone only uses the middle two wires; the third wire is not used.

I read on a web site what using a BT Master Socket would get my phone to ring. All this does in create the ring voltage on wire 3; which my phone does not use.

I have read some information on phone circuits on the following site.
http://www.hut.fi/Misc/Electronics/circuits/telephone_ringer.html

Looking inside the telephone base unit I see that it contains a 470 uF capacitor to aid the ringing circuit inside the phone.

Does anyone how I can get this phone to ring ?

Regards

Behzad
1   L A T E S T    R E P L I E S    (Newest First)
YS Posted - Jul 17 2003 : 12:13:44 AM
As far as I know, UK phone lines are almost the same as US lines. There are small dofferences, but the ring is about the same. Both use 2 wires. I do not beleive that UK system uses third wire for the ring. The ring in all the world is just series of pulses ( frequency is so low that it is perceived like on-off sequence) and each pulse is high-voltage (about 100V peak to peak) and low frequency (20Hz) sinewave.

I would suggest checking the ringer on-off switch first.. no kidding. Some problems are not as complicated as they seem to be..

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