Master FreeSWITCH T38 Passthrough A Revolutionary Approach to Faxing

For the 3CX fax server to send a T38 Reinvite you need to keep the "Enable G.711 to T.38 Fallback" option off and point the call to a Fax extension of the PBX. 38 passthrough in freeswitch without the need for proxy mode by handing it properly in the sdp negotiation, and then in the rtp stack, when it switches to t.38, ... Its main use was initially to make T.38-passthrough possible because by ignoring the codecs FreeSWITCH could switch to T.38 mode without actual support for T38. These modules provide codecs - support for various ways of COding and DECoding speech audio. mod_g723_1​. mod_g723_1 is the G.723.1 pass-through implementation. Hi, I'm having some serious trouble getting outbound t38 passthru to work in the following scenario: SIP Upstream <> FreeSWITCH <> Asterisk <> SIP ATA ... FreeSWITCH is a Software Defined Telecom Stack enabling the digital ...