[cisco-voip] Analog modem and faxes?

[Jeff Ruttman]

Hi,

 

We had some trouble with faxes and ATAs as we began opening some sites
this year.  Our primary problem was slip errors on our routers.  (I
think it's a show controllers command to display slip errors?)  Anyway,
after adding this statement to our config:  network-clock-select x E1
x/x/x things worked much better.

 

On our fax/copiers we've also turned off ECM (error correction mode) and
throttled them down to 14.4 for transmit, some down to 9600.

 

I don't think our stuff uses Super G3, but we've seen where it's a
problem.

 

Thanks

jeff

 

________________________________

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Scott Voll
Sent: Friday, October 31, 2008 1:08 PM
To: Ed Leatherman
Cc: Madziarczyk, Jonathan; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Analog modem and faxes?

 

We have been just using ATA's  So long as the faxes are set to No ECM
and Super G3 is turned off and all The VGW's have everything set to
passthrough things have worked pretty well.  I also pushed modems
through  but it's been at least a couple years since we took the last
modems out.  

 

as for centralized Faxing........ Good Luck.  We got an IP Fax server
and it works great exept for the signitures and hand written stuff which
then you would have to scan then fax.  The question is do you support
scanners or Faxes.  I've found faxes to be easier to support. :-)

 

Scott

On Fri, Oct 31, 2008 at 10:35 AM, Ed Leatherman <ealeatherman at gmail.com>
wrote:

We've had pretty good luck with the ATA's and VG224's with faxes and
credit card terminals. I've only run into a couple instances where
people had an actual data modem, I've left them on telco lines.

There was an initiative in the past to have a centralized fax solution
but it never got any traction here. People still want a physical device
they can walk up to and put a piece of paper in.. I don't think that
will change here for awhile unless it comes down as an executive level
decision. 

 

	 

	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?





-- 
Ed Leatherman
Assistant Director, Voice Services
West Virginia University
Telecommunications and Network Operations

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