[asterisk-users] FXS Solutions for modems and other non jitter tolerant devices

[Jon Pounder]

On 15-06-15 08:48 PM, Matt Darnell wrote:
> In the past we have used Adtran Atlas 550's to break out FXS ports for 
> devices like modems.  The great thing about the 550 is that internally 
> it is all TDM so there is absolutely zero latency.
>
> We are able to use ATA's for faxes and analog phones but devices that 
> use modems, they fail 99.99% of the time when using an ATA.
>
> We tried to migrate to TA908 devices; they have FXS ports built into 
> the unit.  Unfortunately the FXS ports are just ATA's off of Asterisk, 
> no different than a SPA2012 unit.
>
> The 550 is getting long in the tooth and very expensive for a few FXS 
> ports, what are you folks doing when someone has a need?  It can be a 
> modem for the power company to read the meter, a postage machine that 
> needs to get more postage, an alarm system,etc.

Finding less and less need for analog circuits. Alarm -> envisalink, 
postage machine -> ethernet based, pos terminal -> ethernet.

Fax is really the only need recently, and even that has alternatives 
like emailing scans that most people prefer now.



>
> Is the customer buying a POTS line and splitting it the only other way?
>
> Thanks,
> Matt
>
>
>
>

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