T.38 fax calls to a specific number.

[jchristman2002]

We are having issue with MiVB on a CXi II controller.   T.38 is setup and working but faxes to a specific number fails every time.

Here is what the carrier is sending me

Call-ID: 1472547508-766331086X
CSeq: 950348 INVITE
User-Agent: Mitel Border GW(MBG/11.5.2.31 TUG/4.17.0.40-01)
Reason: SIP;text="cannot parse body (SDP with no valid c= lines)";cause=400

[BoiseBorn]

Did you purchase the T.38 license for the controller? If not then I would think it would fail. The license was expensive for me and only comes in a 4 pack, so I ended up purchasing a 2 port Grandstream ATA and then creating a SIP extension on the controller and registering that extension on the Grandstream.

[acejavelin]

Did you purchase the T.38 license for the controller? If not then I would think it would fail. The license was expensive for me and only comes in a 4 pack, so I ended up purchasing a 2 port Grandstream ATA and then creating a SIP extension on the controller and registering that extension on the Grandstream.

Isn't the "FAX Over IP (T.38)" license for T.38 relay, like between controllers/network elements in a cluster, and requires a DSP-II module? I didn't think it was required for T.38 within a single controller... Just enable it in Network Zone 2 and apply Network Zone 2 to the local NE and MiCollab/MBG's.

I could be wrong, been a long time since I have set this up...

[jchristman2002]

Isn't the "FAX Over IP (T.38)" license for T.38 relay, like between controllers/network elements in a cluster, and requires a DSP-II module? I didn't think it was required for T.38 within a single controller... Just enable it in Network Zone 2 and apply Network Zone 2 to the local NE and MiCollab/MBG's.
[/quote]

That is my understanding too and we are using T.38 on numerous systems successfully without t.38 licensing.   

[jchristman2002]

This has been resolved.  It appears to be an issue with the receiving fax.