Empowering Fax Passthru None vs. Reinvite Techniques

Protocol-based pass-through uses specific messages within the H.323 or SIP call control protocols to switch a voice call to a G.711 passthrough call. Can be set in a SIP->PSTN dialplan rule. If dialplan_go_on=1 and the rule matches, but there are no free PSTN ports in the set of ports defined ... Fax Pass-Through Global Configuration: ! ... Fax Relay: Relay is the other main method for transporting fax over IP, and its implementation is a ... This white paper compares the performance of the two principal options for sending faxes over an IP network: T.38 fax relay and G.711 fax pass-through. The V.17 ... Almost all MAPS™ IP based simulation products supports FAX simulation using any of these two methods. Typical applications of our Fax Simulators include load ... This option is the time we wait after we got the CED, to get V21 flags. This is to avoid to send a SIP re-invite in passthrough and few ms after ... When a re-invite is received with G711 and silence suppression is off as part of retrieve request, the call is not treated as fax transition ... T38 faxes still work fine for me even with the notice. You can change FAX Passthru Method to REINVITE and the notice goes away and T38 still ... The caller (or callee) issues a ReINVITE indicating it wants to change the call to FAX. The caller (or callee) embeds FAX tones in the RTP stream. For both ... Jitter buffer to fixed and high; Disable Line Echo Canceller (LEC): Yes; Disable Network Echo Suppressor: Yes; Optional: (Re-INVITE After Fax ...