[RndTbl] Ringing voltage and waveform in Cisco/Linksys ATA's

[Adam Thompson]

IIRC: Japan.

On 2015-10-01 05:57 AM, Hartmut W Sager wrote:
> Why do these Cisco/Linksys ATA's have some stupid defaults?  I just 
> played with (er, configured) another one over the last weekend.
>
> I always (have to) change the default ringing voltage in these 
> Cisco/Linksys ATA's from 85V trapezoidal to 90V sinusoidal, so that an 
> attached phone will ring reliably.  I don't know for which part of the 
> planet (if any) their default is intended. From the standards I've 
> studied in the past, the trapezoidal waveform especially doesn't ring 
> a Bell.
>
> Hartmut W Sager - Tel +1-204-339-8331
>
>
>
> _______________________________________________
> Roundtable mailing list
> Roundtable at muug.mb.ca
> http://www.muug.mb.ca/mailman/listinfo/roundtable


-- 
-Adam Thompson
  athompso at athompso.net
  +1 (204) 291-7950 - cell
  +1 (204) 489-6515 - fax

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.muug.mb.ca/pipermail/roundtable/attachments/20151001/72e9f7c8/attachment.html>