[Asterisk-Users] Options for 3+ FXO ports

[Jorge Mendoza]

mgraves at mstvp.com wrote:
>>-------- Original Message --------
>>Subject: Re: [Asterisk-Users] Options for 3+ FXO ports
>>From: "Jorge Mendoza" <mendoza at tcc.com.pe>
>>Date: Mon, March 08, 2004 8:53 am
>>To: asterisk-users at lists.digium.com
>>
>>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
> 
> 
> I have been eagerly awaiting word on these devices! They would not give me one on evaluation, and charge a 20% restocking so I have not tried them myself. Please post your findings :-)
> 
> Michael Graves

I will

Jorge