Author Topic: t.38 fax error  (Read 2309 times)

Offline handwritten

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t.38 fax error
« on: October 22, 2014, 04:28:38 PM »
We have been using fax over SIP trunks through SIP converter boxes (Cisco ATA-122) without using t.38.  DID numbers point to internal extensions assigned to the SIP boxes.  Completion rates are OK, not great.  We have t.38 licenses, so I thought I'd try it out.  I followed the instructions in the on-line help (see attached file for these instructions), but I'm getting the following error in the log:

   Port:11930f90 Failed to Apply Policies.Most likely T38 is not allowed in the zoning plan. (substate 7)

The error only shows up when I enable t.38 in the SIP boxes.  Has anyone seen anything similar?

Release level: 7.0 PR1
Active software load: 13.0.0.83


Offline Abs_76

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Re: t.38 fax error
« Reply #1 on: March 07, 2016, 06:43:36 AM »
I get the same error and I am running MCD 7.0 Sp1 PR1.

Whilst in the lab with the SIP Carrier with MCD 7.0 Sp1 PR2 and above , I do not come across this issue.

Might be worthwhile upgrading to the next version or MCD 7.2

Offline jsorensen

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Re: t.38 fax error
« Reply #2 on: November 22, 2019, 08:35:46 AM »
Most likely T38 is not supported on your SIP trunks.

I know Mitel Cloud via Intermedia does not support T38.


 

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