Unleash the Power of T38 Improve VoIP Call Quality with FreeSWITCH Passthrough

711 pass through - this is where the T.30 fax call is carried in a VoIP ... Freeswitch Softswitch / pbx also support T.38; ICTFax Web fax / Email to fax ... Without the above settings, outbound fax would work (in proxy media mode) some of the time, but T38 negotioation would fail sometimes and never go through. ... t38-passthru|true,false tcp-keepalive|milliseconds tcp-ping2pong|milliseconds tcp-pingpong|milliseconds timer-T1|default 500ms (sofia defaults it to 1000 to ... I recently setup FreePBX and it is overall working great. Thank you for a great open source product. I currently have two issues I am trying ... ... T.38 protocol also support G.711 pass through faxing and PSTN faxing ... Freeswitch as communication engine as backend instead of Asterisk ... In freeswitch dialplan I create a extension debug_001 and bridge to another freeswitch instance. ... What action I should define to passthrough ... MP4 Video passthrough. Provided by mod_mp4v. Comments:​. H264 now provided by mod_av which use ffmpeg.also there are VP8 ... FAX Passthru Method: ReINVITE. FAX Enable T38: Yes. FAX T38 ECM ... FreeSWITCH FusionPBX Hard drive hostname iptables java Linux mysql ... 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. Grandstream HT801/802 and a custom fax server using Freeswitch ... If set up properly with t38 and interconnecting with a t38 provider ...