Canon Fax Guru needed

[Herrmann]

Problem:
At one of our Customers, there is a Canon IRC1021 with Fax Option installed which works very well except of one Connection from Canada. TX is ok, RX times out with a ##106 Error shown which points to an Echo Problem.

Things, i have done so far:

Update the Firmware to the latest and greatest
Country Settings to "Other" , to open the Tolerance Window as far as possible
Reduced Modem Speed to 14400
#1 SSSW-SW03 Bit 7 set to "1" , this will send a 1080 HZ Tone before sending CED to activate the echo supression
#1 SSSW-SW04 Bit 3 and 4 to "1" to enlarge the Time Window after CFR

Still no Joy

Now i'm sitting here, scratching my head and running out of Ideas

Somewhere out there, who can enlighten me?

[blackcat4866]

It sounds to me like a line problem at the other end. The best you can hope for is cooperation by the transmitter to work with their telephone provider. A simple test would be to insert the AT&T prefix 10288 before the dialed number to confirm that it's the long distance provider.

IMHO you've done everything possible from the receivers end. =^..^=

[Herrmann]

A simple test would be to insert the AT&T prefix 10288 before the dialed number to confirm that it's the long distance provider

Does this work in Canada as well?

[blackcat4866]

Oh. I never thought of that.
Can any of you Canadians answer that?

[CDVMike]

Turn off the Error Correction Mode and see if that helps. ECM can slow down bad connections.