[Asterisk-Users] Options for 3+ FXO ports

[Jorge Mendoza]

Rich Adamson wrote:
>>I'm looking into implementing an * solution and I'm expecting to require 4
>>incoming FXO lines.  Based on my reading of the mailing list archives and
>>what I read on the Digium web site, I don't think that this can be achieved
>>with X100P cards as it doesn't seem to be practical to have more than 3
>>X100P cards at the time (IRQs is the main problem I think).  At four FXO
>>ports, I can't quite justify something like a full T1 on a monthly basis.
>>But, since I've never ordered one, I'm thinking that it's a "all or nothing"
>>deal (i.e.: I can't order a T1 and pay for only 4 voice channels).  It would
>>seem that the best I can do is a 3x8 configuration according to the
>>information on this page
> 
> 
> The Mediatrix 1204 FXO gateway sort of works with asterisk in the US, but
> have had a few issues with CallerID being recognized when the four pstn
> lines have different ring cadence (at least I believe its a cadence issue).
> 
> Other then that, there seems to be a significant market opportunity for
> anyone that can produce a reliable 4-port device.
> 
> A goggle search for channel banks turned up www.nextag.com with samples such
> as this:
> Adtran TA750 Chassis w/psu ac adapter $900
> Adtran Quad FXO card: $230
> Adtran TA750 w/12 FXS ports: $1250
> Adtran TA750 w/FT1, 20 FXS: $1900
> 
> However, I don't consider those prices cost effective for four ports after
> adding in the digium T1 card, etc.
> 
> I'm interested in a 4-port as well if anyone knows of something.

See: http://www.welltech.com.tw/

No yet tested, but waiting my first samples next week. Have callerid and 
reversal polarity detection!. Prices seems to be half of Mediatrix.

Jorge