What specifically is displaying "(88) INCOMPATIBLE_DESTINATION"? That's not a normal SIP message. Is this Zoiper that shows this? Freeswitch? Kamailio? The gateway?
What you really need is a packet capture of the SIP conversation that is happening between the entity throwing that error and whatever it is INVITEing. So if Zoiper is displaying that message, make a capture of the signalling between Zoiper and Freeswitch. It will certainly supply you with some clues about what is going on... -- Nathan From: VoiceOps [mailto:[email protected]] On Behalf Of Tanguy Dangelser Sent: Sunday, November 27, 2016 8:46 PM To: [email protected] Subject: [VoiceOps] Faxing over SIP - (88) INCOMPATIBLE_DESTINATION Hi, I know that faxing over SIP can be source of a whole lot of issues, but I am wondering if someone had the same that I am currently running into. I have a softphone (Zoiper) sending a fax (TIFF image sent to a physical fax on PSTN) through a SIP platform with freeswitch / kamailio which is forwarding the fax to my PSTN Gateway (telcobridges TMG800), the fax is detected as T38 and everything looks good, except that it ends with (88) INCOMPATIBLE_DESTINATION Does anyone has an idea what might cause this and what could help resolve the issue ? I can send the trace if you email me. Any help appreciated. Thank you, Tanguy -- [http://www.guyacom.net/wp-content/uploads/2015/02/logoSignature-150x124.png]Tanguy DANGELSER Résidence petit Chalet – Châton 56 avenue Louis Pasteur – 97300 CAYENNE Guyane Française – French Guiana Tél : +594 (0) 594 25 00 00 - Fax : +594 (0) 594 25 37 85 [http://www.guyacom.net/wp-content/uploads/2015/02/facebook.png]<https://fr-fr.facebook.com/guyacom> [http://www.guyacom.net/wp-content/uploads/2015/02/linkedin.png] <http://hu.linkedin.com/company/guyacom> [http://www.guyacom.net/wp-content/uploads/2015/02/email.png] <mailto:[email protected]> [http://www.guyacom.net/wp-content/uploads/2015/02/skype.png] [http://www.guyacom.net/wp-content/uploads/2015/02/youtube.png] <http://www.youtube.com/user/GUYACOM> [http://www.guyacom.net/wp-content/uploads/2015/02/www.png] <http://www.guyacom.net/>
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