Empower Your PBX Freeswitch T38 Passthru for Seamless Fax Integration

I do not have T.38 Pass-Through enabled, ie set to 'NO' in my FreePBX, 10.13.66-19. I receive faxes just fine through Flowroute and have them emailed to me on ... ... pass-thru only, is that correct? dmitry.s: sign of T.38 negotiation is ... FreeSWITCH c=IN IP4 FAX_IP t=0 0 m=image 26742 udptl t38 a ... In freeswitch dialplan I create a extension debug_001 and bridge to another freeswitch instance. ... What action I should define to passthrough ... Tests using fax passthrough showed that even packet loss below 1% can result in unreliable fax transmissions, whereas T.38 with full redundancy ... Grandstream HT801/802 and a custom fax server using Freeswitch ... If set up properly with t38 and interconnecting with a t38 provider ... ... FreeSWITCH, Mitel, and Shoretel. Flowroute Interconnection ... 711 ulaw pass-through in the event of T.38 negotiation failure. 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, ... Be careful with using proxy media or T.38 pass-through (this is not supported with loopback/ channels). CDR Handling​. Call comes in, that's ... • FAX T38 Redundancy: 1 <-- this sets the number of duplicate frames sent ... All fax DIDs are routed to local extensions on Freeswitch and all ... A 488 occurs when there is no codec intersection between the endpoints. Check you have t38-passthru set to true and enabled in the relevant SIP profile.