The Ultimate Fax Passthru Guide None vs. Reinvite Comparison

Each transaction consists of a request that invokes a particular method, or function, on the server and at least one response. In this example, the ... In an inbound fax call to an analog fax machine, after an RTP session is established a re-invite is sent from CM to SM with M attribute as ... 152 is supported by all gateways. Pseudo VBD – fax pass-through method that allows transporting audio and VBD signals with the same media (codec) ... 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 ... Select the codec for fax passthrough, G711u or G711a. The default is G711u. Select the fax passthrough method: None, NSE, or ReINVITE. The default is NSE ... Almost all MAPS™ IP based simulation products supports FAX simulation using any of these two methods. Typical applications of our Fax Simulators include load ... To allow sending G711 passthrough faxes, compile SpanDSP plugin. E.g. both devices which send fax and receive fax should support T38. Terminating or originating T38 from/to Asterisk is not supported. e.g. such ... ... and fax machine. The whole point (as I specified in the header and initial message) is the attempt to use "Fax for Asterisk" to send the ... ... difference: Passthrough is the method of using G.711 and RTP to transmit fax whereas Relay is the method of using T.38. Pass-through is the ...