Need electrician -tronicain telecom advisor

We need professional advises on how to understand parameters of Analogue adaptor (ATA)


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

Kemahiran: Elektronik, Kejuruteraan

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Tentang Majikan:
( 43 ulasan ) Brussels, Belgium

ID Projek: #340143

4 pekerja bebas membida secara purata $95 untuk pekerjaan ini


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 Lagi

$220 USD dalam 4 hari
(0 Ulasan)

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 _SIEMEN Lagi

$80 USD dalam 2 hari
(0 Ulasan)

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

$50 USD dalam 2 hari
(0 Ulasan)

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

$30 USD dalam 3 hari
(0 Ulasan)