[VoiceOps] T38 over Sip

Gabriel Kuri gkuri at ieee.org
Sun Aug 30 23:43:51 EDT 2009

We use the SPA-2102 in most deployments, but also the SPA-8000 and SPA-3102.


Craig Askings wrote:
> Gabe,
> What model Cisco/Linksys ATA's do you use?
> Craig.
> 2009/8/31 Gabriel Kuri <gkuri at ieee.org>:
>> In our experience, FAXing via T.38 over IP works fairly reliably, as long as
>> V.34 (aka Super-G3) is disabled on the FAX machine connected to the VoIP
>> adapter/gateway. We use Cisco/Linksys adapters, so I can't speak for other
>> brands, perhaps there are some out there that don't have a problem with
>> Super-G3 FAX machines, but the Cisco/Linksys ATAs are extremely unreliable
>> if V.34 is supported and/or enabled on the FAX machine connected to the ATA.
>> I'd definitely like to hear if anyone else has experience with other T.38
>> capable ATAs that work reliably with Super-G3 FAX machines?
>> Gabe

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