[cisco-voip] What's the pro and con for ATA, compared to FXS

[Jeff Ruttman]

Fair enough, Ryan.
 
But when your only "co-worker" on the phone system is google and
cisco.com, you sometimes just want to ask a person.
 
Thanks
jeff

________________________________

From: Ryan Ratliff [mailto:rratliff at cisco.com] 
Sent: Tuesday, May 11, 2010 8:37 AM
To: Jeff Ruttman
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] What's the pro and con for ATA, compared to
FXS


Too early for a lmgtfy :) 

http://www.google.com/search?q=disable+ata+second+port&ie=utf-8&oe=utf-8
&aq=t&rls=org.mozilla:en-US:official&client=firefox-a 

-Ryan

On May 11, 2010, at 8:54 AM, Jeff Ruttman wrote:


	
	
	How do you disable an unused port on an ATA?
	 
	I don't know that we've experienced calls dropping, but you are
right that an unused port does try to connect to CM and at the least
generates lots of fails in the event logs.  I go ahead and add the
second port into CM, so it can register, and I just don't configure a
line on it.  This stops the error messages and perhaps stops calls
dropping as you describe.
	 
	I only have experience with ATAs and largely they've been OK.
Most problems have been fixed by using 9600 or 14400 baud rates on fax
machines, and I think we also had to disable Super G3 on a couple newer
fax/copiers.
	 
	Thanks
	jeff

________________________________

	From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of polo person
	Sent: Tuesday, May 11, 2010 3:54 AM
	To: junks2you at gmail.com; cisco-voip at puck.nether.net
	Subject: Re: [cisco-voip] What's the pro and con for ATA,
compared to FXS
	
	
	My experience of ATA's and faxes is not good. We have a
combination of faxes + VG224 and faxes + ATA and I only seem to get
problems with the ATA's. Quite often they will get their knickers in a
twist and stop giving dial tone, and a power off / on sorts them out and
they will then work again for a few months. Other times I get problems
with fax transmission, ranging from failed sending / receiving to a fax
being sent and received ok, but the sending fax machine reports it
didn't get delivered so it proceeds to send it again...and again...and
again... (very frustrating for the recipient!) The solution to this one
was to drop the speed of fax transmission down to 14400 and this cured
the problem.
	 
	One thing to be wary of is that if the second ATA port is not
being used, you must disable it. If you don't you will get calls
dropping as the ATA will reset occasionally when the second port tries
to talk to the CM, but as it isnt configured it doesent get very far. If
a call is in progress on port 1 at the time it will get dropped.
	 
	Faxes on our VG224's seem to work on the main with very few
problems (mostly fax passthrough, some fax relay).  We have CM
6.1.3.something_odd..... and are en-route to CM7 them CM8 over the
course of this year. 
	 
	Cheers
	 
	Simon
	 
	
________________________________

	Date: Tue, 11 May 2010 15:59:15 +0800
	From: junks2you at gmail.com
	To: cisco-voip at puck.nether.net
	Subject: [cisco-voip] What's the pro and con for ATA, compared
to FXS
	
	Hi Guys,
	
	Can anyone explain to me what the pros and cons of ATA? We got
both FXS and ATA 186 for FAXing in a call manager 7 controled
environment.
	
	Regards,
	
	Charlie
	
	
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