05-18-2015 10:03 PM - edited 03-17-2019 03:03 AM
Hi,
We are getting transmission error when we sent faxes to few numbers, mostly international numbers. The Right FAX vendor is claiming that the issue is caused due to line quality issues. Our setup is as below
RightFAX - H323 - Cisco VG - PRI - Service provider (Not touching the CUCM)
Which debug commands on the VG, can i use to verify this. Also is there any command in VG to increase the line quality for faxes in the VG. Please note that we have the same line working fine for the voice calls without any issues. Any help would be much appreciated.
05-19-2015 02:00 AM
Ask rightfax if error correction mode is enabled.
On physical fax machines using VoIP I have seen ecm cause poor line condition error on local calls, however ECM is suppose to resolve poor line conditions when making overseas faxes.
you can send a fax with ecm enabled and with it disabled to test.
hope this helps,
please rate helpful posts.
thanks
05-20-2015 12:42 AM
05-20-2015 02:17 PM
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