Project Detail

Need electrician -tronicain telecom advisor

Need electrician -tronicain telecom advisor is project number 340143
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Status: Closed
(Cancelled by Service Buyer)

Selected Providers: -

Budget: $30-250

Created: 11/07/2008 at 11:18 EST

Bid Count: 4

Average Bid: $ 95

11/22/2008 at 11:18 EST

Project Creator: nomado
Employer Rating: 10.00/10 (30 reviews)

Description

We need professional advises on how to understand parameters of Analogue adaptor (ATA)
Exemple
Ring_Waveform "Trapezoid" ; # options: Sinusoid/Trapezoid
Ring_Frequency "25" ;
Ring_Voltage "85" ;
CWT_Frequency "440@-25" ;
Synchronized_Ring "Yes" ;
FXS_Port_Impedance "270+750||150nF" ;
We want to understand well each parameter and how could we find one correct for most of phone handsets in Belgium and Europe and understand waht will be required to modify if that kind of problem encountered.
In exemple : we face a problem with incoming calls that ring only once (or not) on the handset but still seems to ring but we hear nothing. It seems also that we have a customer that broke twice the ATA due to his telephone (impedance, ring voltage??)

Bid is for about 1 or 2 days advises (we woul dlike to have this advise by chat so we can try at the same time + documentation

Budget 40$ but only electric or tronic engineer with sound knowledge of telephony

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Messages Posted: 1

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PMB

2 days

11-07-2008 17:26 EST

10.00/10
(1 reviews)

I have the related ETSI standards - and did 2 projects on this issue - one ring tester for siemens and a line adapter which transforms new extension signaling to old pulse dial extension. But keep in mind that _SIEMENS_ had even _MORE_ than _10_ _hardware_ versions to support every f*ck*ng country in europe - but - lucky as you are - there are some ETSI harmonizations now. rgds.

mrawls1954

220

4 days

11-07-2008 16:32 EST

8.00/10 8.00/10 8.00/10 8.00/10 8.00/10 8.00/10 8.00/10 8.00/10 8.00/10 8.00/10
(1 reviews)

We can provide you with exactly what you need to know about your telephone system and provide data sheets for all devices. We will advise you what you will need to do to prevent single point failures. Best Regards Mike www dot rawlsdesign dot net

danishmemon35

2 days

11-10-2008 05:21 EST

(No Feedback Yet)

i am and electrical engineer with working telecom experience and i can help u in this regard

Manzoor22

3 days

11-17-2008 00:32 EST

(No Feedback Yet)

i an electrical engineer... i can do it only 4 u

Bid on this Project

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