Probably need to take a look at the traces and see which side is failing to negotiate T.38. I know end-to-end T.38 is pretty hard to achieve with any PSTN SIP Trunk.
On Tue, Jul 22, 2014 at 11:16 AM, Heim, Dennis <[email protected]> wrote: > We have the call flow like this; > > > > Fax Machine->VG202->CUCM->SIP Trunk->ACME->Verizon SIP Trunk->PSTN > > > > We are trying to get T.38 to work in this mess, but we keep getting G.711. > Normally, I am used to have a CUBE router instead of going through a SIP > trunk to CUCM. Thoughts? > > > > *Dennis Heim | Collaboration Solutions Architect* > > World Wide Technology, Inc. | +1 314-212-1814 > > [image: twitter] <https://twitter.com/CollabSensei> > > [image: chat][image: Phone] <+13142121814>[image: video] > > > > > > _______________________________________________ > cisco-voip mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/cisco-voip > >
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