The on-premise variant of the Genialcloud Facsys fax server by Avantune uses Dialogic SR140 for its FoIP driver. Our Power-T.38 SIP trunks are officially certified for use with Dialogic SR140. Click below to download the official configuration guide.
Afterward, restart the Facsys service.
For more information on Genialcloud Facsys's use of the Dialogic SR140 FoIP driver, see Dialogic's product briefing.