FAX Passthru Method NSE vs. ReINVITE – Explained for Clarity

... fax transport method has been configured for passthrough NSE, and T.38 protocol \ based. mgcp modem passthrough voip mode nse no ccm-manager fax protocol ... Passthrough or VBD is a transport method for passing modulated data such as fax, modem, and text telephone protocols over an IP network. FAX Passtru method: ReINVITE FAX Passtru method: NSE (if ReINVITE does not work and Asterisk presents error) Call Waiting: Disable Jitter ... Does anyone have a spa112 config I can view, to compare? Edit I played with some settings. If I change the Fax Passthru method to ReINVITE, I ... If direct IP = yes and Initial... = no, then CM will send the first invite with a c= line for media to be on a gateway and a reinvite with the c ... I am trying to configure a voice user to always use G.711u, that way, when sending a fax, there's no re-invite. Currently, a re-invite isn't possible. FAX Passthru. Method. Select the fax passthrough method: None, NSE, or ReINVITE. Default setting: NSE. DTMF Process AVT. To use the DTMF process AVT feature, ... Proprietary methods like NSE-based switch-over (may be used by gateways connected ... DSCP value for (T.38 and pass through) fax packets. DSCP for Voice. DSCP ... as yes, Silence Supp Enable as no, Echo Canc Enable as no,and FAX Passthru Method as ReINVITE. ... FAX Process NSE, yes. Hook Flash Tx Method, None, FAX ... With pass-through, the fax traffic is carried between the two gateways in RTP packets using an uncompressed format resembling the G.711 codec.