Karihaloo, Ujjval wrote: > Hi, > > I am trying to do T30 Fax (G711 Fax Passthough). The Wiki says it > cannot do anything other than T38? Looks like I get a Normal call > Clearing from the PSTN side. > Call Flow is: > TA behind NAT--> OpenPBX on public Internet--> SBC on public internet > --> Media Gateway--> PSTN---> Fax Machine. > > if your sip gateway does not support T38, 99% of the times Faxing over > SIP will not work. > > >From - > http://wiki.openpbx.org/tiki-index.php?page=Faxing%20with%20Openpbx.org > Those are the reasons: http://www.soft-switch.org/foip.html
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