[cisco-voip] Analog modem and faxes?

[Fuermann, Jason]

We are using VG224’s in SCCP modem pass-through. Most of ours faxes didn’t require configuring. However, there were a few that we had to turn ECM off on. We are also using modems (Visa machines primarily) with this configuration without problems (our ATM’s were temperamental but apparently they didn’t use standard modems).

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Lelio Fulgenzi
Sent: Friday, October 31, 2008 2:33 PM
To: Jonathan Madziarczyk
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Analog modem and faxes?

It's not just the gateways you have to configure, but the fax machines. Have you turned off SG3 support? Essentially you have to put their max speed to 14,400 and turn off error correction. Similar to modems, max speed is 14,000.

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Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
"Bad grammar makes me [sic]" - Tshirt


----- Original Message -----
From: "Jonathan Madziarczyk" <JMad at cityofevanston.org>
To: cisco-voip at puck.nether.net
Sent: Friday, October 31, 2008 1:21:53 PM GMT -05:00 US/Canada Eastern
Subject: [cisco-voip] Analog modem and faxes?


So what is everyone doing about analog data devices?  I’ve got a couple of fax machines and modems using VG224 and ATA186 devices and I’m still having issues with them.  I’ve gone through TAC and set up the adapters and my voice gateways to match their fax/modem recommendations, but I still have intermittent issues (faxes failing, modems not sending the full info, etc.)

Modems are still a little fuzzy for me, not sure how best to get rid of those, as for faxing, I’d like to get off of the analog fax machines all together, but not sure how to do that yet either…what are you guys using?

Obviously our interest is to keep any changes low cost and reliable.

Jonathan

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