[cisco-voip] Analog modem and faxes?

Thu Dec 4 00:06:51 EST 2008

Sorry to say, I have never had an ATA work reliably for anything more than an analog phone. Lately I have had good fax/modem success with SCCP/T38 configuration on VG224s and regular routers with FXS ports.

There is a reason Cisco stopped selling ATAs months before the VG20Xs were released.

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Weigand, John V.
Sent: Wednesday, December 03, 2008 2:43 PM
To: Jason Aarons (US); cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Analog modem and faxes?

	 Litigation Management<http://www.medicineforthedefense.com/main/gifs/LMI-side-pms690wBlack.jpg> 

Serious Medicine for the Defense ® <http://www.medicineforthedefense.com/>  

	It actually does register perfectly to CCM, and the analog phone works perfectly both incoming and outgoing, that’s the really weird thing. Just the second we plug it into the fax machine, it lights up and refuses to do anything, with ECM and V.34 disabled (this machine doesn’t actually have a Super G3 setting)

I did run a prserv log against the ATA while it was hooked up to the fax, and it just looks like this:

<-|OpenRxChnAck[0]

[0]DPKT 1st: 160 0, pt 18

[0]StartTone 2

[0]StartTone 2

[0]StartTone 2

->CloseRxChn[0]

[0]StartTone 2

7:30;2,0,0,0,

[0]StartTone 2

[0]StartTone 2

[0]StartTone 2

[0]StartTone 2

|->CallState[0]=2 L=1 R=2a26535 FG=0 r=2a26535,0

IDLE[0]

<-|SK[0]:2, L=1, FGR=0

|->SetRingerMode[0]:1

|->CallState[0]=1 L=1 R=2a26538 FG=0 r=0,0

FG NewState[0]=1, L=1, R=2a26538

[0]StartTone 2

[0]StartTone 2

[0]StartTone 2

[0]StartTone 2

8:00;2,0,0,0,

|->OpenRxChn[0]

[0]StopTone

If we can’t get this working, I think we will wind up going the VG224 route, rather than the mess of FXS cards we’re currently using in the existing building.

	John V. Weigand
Help Desk Support/Executive Support

Litigation Management, Inc.
300 Allen-Bradley Drive
Suite 200
Mayfield Heights, OH 44124

Tel: 440-484-2000
Fax: 440-484-2009
Cell: 
email: jvw at medicineforthedefense.com 

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From: Jason Aarons (US) [mailto:jason.aarons at us.didata.com] 
Sent: Wednesday, December 03, 2008 3:37 PM
To: Weigand, John V.; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] Analog modem and faxes?

If you plug an analog phone into the ATA it’s can’t call in/out. Doesn’t show registered in CCMAdmin.  I’d change TAC to focus on that.  Verify your TFTP option 150 and then you might have to look at trace/log files around the registration with CallManager.  You can also sniff the Ethernet port with Ethereal and see if SCCP packets are going back/forth.

The dsp in the ATA won’t go past 14.4 reliably…..You need to disable Super G3 and ECM on the fax machine.  If you can’t disable them you may need to replace the fax machine or find another solution other than ATA-186.

If you want a better dsp buy the VG224.

________________________________

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Weigand, John V.
Sent: Wednesday, December 03, 2008 3:05 PM
To: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Analog modem and faxes?

 Litigation Management<http://www.medicineforthedefense.com/main/gifs/LMI-side-pms690wBlack.jpg> 

Serious Medicine for the Defense ® <http://www.medicineforthedefense.com/>  

Sorry to resurrect an older thread, but we’ve been trying to figure out how to handle this going into a new building. We have an ATA 186 we’ve been testing with, turned off ECM and V.34 mode on the fax machine, but as soon as it’s plugged into the ATA, the red light on the ATA goes on, never turns off, and it won’t place or receive calls. 

TAC is basically refusing to help since the fax machine by default runs at 33.6, and they say it just won’t work, period, but that doesn’t seem quite right to me. Anyone run into a problem like this before?

John V. Weigand
Help Desk Support/Executive Support

Litigation Management, Inc.
300 Allen-Bradley Drive
Suite 200
Mayfield Heights, OH 44124

Tel: 440-484-2000
Fax: 440-484-2009
Cell: 
email: jvw at medicineforthedefense.com 

PRIVILEGE AND CONFIDENTIALITY NOTICE 

The information in this electronic mail is intended for the named recipients only. It may contain privileged and confidential material and may be protected under law by the Health Insurance Portability and Accountability Act. Any use of this information by anyone other than the intended receiver is prohibited. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution, copying, or other use of this message or its attachments is strictly prohibited. If you have received this message in error, please notify the sender immediately by replying to this electronic e-mail or by calling (800) 778-5424. Please delete it from your computer. Thank you.

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Fuermann, Jason
Sent: Friday, October 31, 2008 5:01 PM
To: 'Jonathan Madziarczyk'
Cc: 'cisco-voip at puck.nether.net'
Subject: Re: [cisco-voip] Analog modem and faxes?

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.

---
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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