[asterisk-users] Modems

[Ryan, Travis]

I can't speak to the other items, but it's always better to have a dedicated FXS to answer the modem calls on an analog line. I've had to do this for ATT network router for their own management and it's always been fine.

From: asterisk-users <asterisk-users-bounces at lists.digium.com> On Behalf Of John T. Bittner
Sent: Tuesday, February 11, 2020 2:22 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion <asterisk-users at lists.digium.com>
Subject: [asterisk-users] Modems

Guys,

I have a customer that heavily uses modems, the problem they don't work reliably with some of the carriers I have used like Level3.
This is somewhat expected due to the limits in VoIP so I need a better solution.

If I set up an asterisk system on customer premise with an FXS card in it and have calls sent to another asterisk box with a PRI can I get this to be more reliable and better connect speeds.?
Any way to detect a modem call and turn off the echo canceller?

What if I use a lossless codec between the two systems, or would it be better to just run PCM to passthrough to the PRI.

Any ideas would be helpful.

Thanks

John Bittner
CTO
[xaccellogoemail]
380 US Highway 46, Suite 500
Totowa, NJ 07512
Phone: 201.806.2602 x2405
Fax:       201.806.2604
Cell:       973.390.1090
www.xaccel.net<http://www.xaccel.net/>

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