An alternate route is to put you fax DIDs on a centralized fax-2-email
platform. Thereby avoiding any ATA-related hassles.
If done properly, will give you very satisfactory fax success rates
On 14-09-09 10:39 AM, Jamey wrote:
Hello,
We having been utilizing Grandstream ATAs (HT70X and GXW400X) as
analog hand offs with our Hosted Services built on the Broadworks
platform and Sansay's SBC. We've had regular trouble when using them
with fax and credit card machines. We support t38 but have often gone
to g711 pass-through. Echo cancellation is disabled. We've tested
them with the various jitter buffer lengths, Rx/Tx setting adjustments
and various impedance values. The results seem very inconsistent.
This is site to site as well as inconsistent results at the same
site. The faxing/credit card transmissions will work for a period of
time and then begin failing without any changes.
We are a CLEC who control the QoS from device out to the PSTN. We've
found that replacing the ATA with a Adtran TA90X usually corrects the
issues but this is not a cost effective solution.
Anyone have similar experiences with Grandstream ATAs? Anyone have
reliable VoIP faxing with their ATAs? If anyone has been successful
integrating the Grandstreams, I would be interested in knowing what
config changes you've made from their default. Which models you've
used with which firmware?
Anyone have other ATA's that seem to work well for faxing and credit
card machines? We'd like to keep our offering to as few manufacturers
as possible that can offer 2, 4, 8+ FXS ports.
Thanks for any and all recommendations.
Jamey
Socket Telecom
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