[cisco-voip] Fax over PRI

Lelio Fulgenzi lelio at uoguelph.ca
Tue Sep 15 13:20:46 EDT 2009


We do it. It works 99.999 percent. I only say 99.999 percent, because we've had claims of some faxing not working but every time we try to reproduce it works. The most important things are: 

    • setting all fax devices to G3, not SuperG3 - this means 14.4 not 33.6 and turning off error correction 
    • setting gateways to correct mode - this is summarized to passthrough, relay, etc. 

We chose passthrough cause it's the easiest and our WAN connections are actually LAN connections, so we have bandwidth to spare with low latency. 

--- 
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: "Damien Ball" <balld at gcs.k12.nc.us> 
To: cisco-voip at puck.nether.net 
Sent: Tuesday, September 15, 2009 12:20:05 PM GMT -05:00 US/Canada Eastern 
Subject: [cisco-voip] Fax over PRI 

Just curious about running fax data across a PRI. What is the general 
consensus on doing this? Are there any problems with this type of 
situation? 
-- 
Damien Ball 
Network Engineer 
Granville County Schools 
101 Delacroix Street 
Oxford, NC 27565 
Email: balld at gcs.k12.nc.us 
Office: 919-690-2339 
Fax: 919-690-2338 

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