05-28-2021 02:48 AM
I use 4331 and vg202 to send and receive faxes. There is a problem. It is no problem to send to 1099 (VG202) via the internal number: 1098 (VG202) for example. However, if the content is sent to 9,86311099 via 9,86311098, the content will be incomplete, and communication errors are often reported.
The attachment is the configuration of 4331 and VG202
05-28-2021 03:13 AM - edited 05-28-2021 03:13 AM
What protocol your ISP use, t.38 or pass through. if pass through add below command under MGCP gateway configuration
mgcp modem passthrough voip codec g711alaw
05-28-2021 09:44 PM
Thank you for your answer.
My ISP told me that they are pass-through and suggested that we use T30
05-29-2021 02:34 AM - edited 05-29-2021 03:44 AM
If isp use pass through you need to use pass through.
05-29-2021 08:17 PM - edited 05-29-2021 08:19 PM
I have used the pass through.
I have executed mgcp modem passthrough voip codec g711alaw in 4331. But the problem still exists.
Part of hte text is blurred.
05-31-2021 09:41 AM
is this the fax message you printed ? its not clear what this screenshot is all about.
06-04-2021 06:16 AM
The entire page of this fax is a, and the content selected in red is an error caused by the fax.
06-07-2021 02:31 AM
I'm pretty sure that this kind of problem has nothing to do with printing, and the received content is problematic.
05-29-2021 12:44 AM
I have executed mgcp modem passthrough voip codec g711alaw in 4331. But the problem still exists.
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