[VoiceOps] Request for Opinions: High density ATA's

Nathan Anderson nathana at fsr.com
Sat Mar 23 22:09:52 EDT 2019

This is a little "outside the box" maybe, but you can get 32 ports of FXS from the Yeastar TA3200 (https://www.yeastar.com/fxs-voip-gateways/).  I've only ever used the 4- and 8-port versions which aren't rackmount and only have single-pair RJ11s, but supposedly the 1U 16-, 24-, and 32-port ones have both RJ11s on the front *and* Amphenols/RJ21s on the back.  And the 3200 can be had brand-new for about ~USD$550/ea shipped all day every day, if you know where to look...so the only way I know how to beat these $-wise would be some refurbished Adtran TA924e (which are arguably a more solid unit anyway, both on hardware and software side).

Though the price is right, these units definitely have their quirks.  I'm not 100% sure they can do single registration per-unit instead of per-port...I'll pull one of my small-port-count ones out to test.  They actually run Linux + Asterisk (ancient and very hacked-up/custom 1.6.2.x build as I recall) and for a while I contemplated building a custom ROM of my own for it from source in order to work around my own irritations, but last time I'd looked they hadn't released their internally-developed patches for either the kernel, Asterisk, or their build environment and I couldn't get them to budge on this, so I sicced the FSF and Digium legal teams on them...I think their attitude may have changed after that but I haven't had time to pursue further.  Also, even if I get the patches, it appears that their analog interfaces are not based on Digium DAHDI reference designs like so many others, but is custom hardware (+ software drivers which they may not have any obligation to release sources for, depending on how their drivers actually link up to DAHDI itself), so it may be a fool's errand regardless.

-- Nathan

-----Original Message-----
From: VoiceOps [mailto:voiceops-bounces at voiceops.org] On Behalf Of Ryan Delgrosso
Sent: Thursday, March 21, 2019 8:56 AM
To: voiceops at voiceops.org
Subject: [VoiceOps] Request for Opinions: High density ATA's

I have found myself with a number of hospital opportunities and 
servicing the staff with IP phones is a no-brainer, however there is the 
need for multi-hundred room connectivity for patient room phones and the 
staff mandate is to keep it analog because "ip phones there will grow 

I am looking for 24+ port density with amphenol connectors, and ideally 
some kind of rudimentary internal routing so i dont need to register all 
24 discreet ports and can route by some header (to or uri) within a 
single registration.

Right now im looking at AudioCodes and the Sangoma Vega series. Obihai 
would be my natural choice here but don't have anything that fits my 
density requirements.

Any opinions on these or others I should consider. Anyone deploy these 
and can speak to the experience?

Thanks in advance


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