[VoiceOps] Verizon T.38
Jared.Ball at adp.com
Thu Sep 19 15:53:34 EDT 2013
Does anyone have an experience with T.38 Interoperability with Verizon? I have eight different telephone numbers in different area codes \ prefixes. Some re-invite T.38 and other re-invite G.711 only. I've done multiple tests on these numbers with consistent results.
I have a trouble ticket open with Verizon. I can tell from the SIP signaling that they are using Sonus but it isn't clear whether their configuration and support for T.38 is uniform across their platform.
Is Verizon's support for T.38 usually consistent? I have a Ditech PVP that I can use for transcoding. Should I just assume that I'll need to transcode some of the time? My Fax Server is T.38 only and will rejects calls with "488 Not acceptable here". My Ditech PVP is end of life so if transcoding is a requirement I may be looking for a new transcoding solution.
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