[cisco-voip] FAX not working to one number

[Ahmed Elnagar]

I was using fax realy with a sip connection to a fax server, the configuration that disables the ecm was on the gateway under the voip dial-peer that is pointing to the fax server with this command fax-relay ecm disable I dont know will that be applicable in ur case or not, try to check the the only number that is failing to send faxs to and see what is the type of the fax machine there if it supports ecm then most commonly that is the problem, try search on cisco for ecm for better understanding of this feature, but I was having a case like u exactly I was able to send to all fax numbers excpet one and I discovered that the this one that fails is  a multifuction machine that supports ECM and this doesnot work well with our case.
 
Thanks and Best Regards

Ahmed A. Elnagar
Network Field Engineer
 
Advanced Computer Technology (ACT)
16 Fawzy Ramah St.Off Shehab St.Mohandessin, Giza, Egypt 
Postal Code:12411 Cairo Egypt

Mob: +2010-2833868
Website: www.act-eg.com
E-mail: aelnagar at act-eg.com

________________________________

From: Lelio Fulgenzi [mailto:lelio at uoguelph.ca]
Sent: Sat 19-May-07 5:39 PM
To: Ahmed Elnagar; Erick Bergquist; ciscovoip
Subject: Re: [cisco-voip] FAX not working to one number


where is this disabled?
 

	----- Original Message ----- 
	From: Ahmed Elnagar <mailto:aelnagar at ACT-EG.COM>  
	To: Erick Bergquist <mailto:erickbe at yahoo.com>  ; ciscovoip <mailto:cisco-voip at puck.nether.net>  
	Sent: Saturday, May 19, 2007 9:21 AM
	Subject: Re: [cisco-voip] FAX not working to one number

	try to make sure that ECM feature is disabled. this may cause fax failure
	 
	
	Thanks and Best Regards
	
	Ahmed A. Elnagar
	Network Field Engineer
	 
	Advanced Computer Technology (ACT)
	16 Fawzy Ramah St.Off Shehab St.Mohandessin, Giza, Egypt 
	Postal Code:12411 Cairo Egypt
	
	Mob: +2010-2833868
	Website: www.act-eg.com <http://www.act-eg.com/> 
	E-mail: aelnagar at act-eg.com

________________________________

	From: cisco-voip-bounces at puck.nether.net on behalf of Erick Bergquist
	Sent: Wed 16-May-07 9:10 PM
	To: ciscovoip
	Subject: [cisco-voip] FAX not working to one number
	
	

	I have a strange FAX issue, where a FAX machine connected to a VG224 can send/receive FAX to any number but is not able to send one outside number a FAX. It can receive FAX's from them fine, just not send. The FAX machines phone or a phone plugged into the FAX phone line can call the # fine so there is not a CSS issue, etc.
	
	The FAX machine is plugged into a VG224 with IOS 12.4(11)T , the VG224 is configured as SCCP (stcapp) and we have tried setting the port capabilty to modem passthrough and not with no change.
	
	The PSTN Gateway is a Cisco 2821 with a PRI, it is MGCP and running IOS 12.4(9)T and has FAX relay disabled.
	
	We have tried 7 different FAX machines of different models and neither are able to call this particular outside FAX machine when going over IPT. When the FAX machines are plugged into a traditional analog circuit there is not a problem and the FAX works fine.
	
	Any ideas?
	
	
	
	
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